./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pnr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/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_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pnr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/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_802e0a6b-d47a-42a1-895e-f069e35baeeb/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 e32269e91be552d606173d0b8eafd4ffa81c0e735dd375e4417d1ccfc27eaf5e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:36:00,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:36:00,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:36:00,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:36:00,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:36:00,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:36:00,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:36:00,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:36:00,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:36:00,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:36:00,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:36:00,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:36:00,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:36:00,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:36:00,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:36:00,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:36:00,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:36:00,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:36:00,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:36:00,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:36:00,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:36:00,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:36:00,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:36:00,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:36:00,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:36:00,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:36:00,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:36:00,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:36:00,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:36:00,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:36:00,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:36:00,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:36:00,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:36:00,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:36:00,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:36:00,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:36:00,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:36:00,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:36:00,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:36:00,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:36:00,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:36:00,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 22:36:00,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:36:00,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:36:00,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:36:00,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:36:00,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:36:00,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:36:00,683 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:36:00,683 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:36:00,683 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:36:00,683 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:36:00,683 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:36:00,684 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:36:00,684 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:36:00,684 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:36:00,684 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:36:00,684 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:36:00,685 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:36:00,685 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:36:00,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:36:00,686 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:36:00,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:36:00,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:36:00,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:36:00,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:36:00,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:36:00,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:36:00,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:36:00,687 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:36:00,687 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:36:00,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:36:00,688 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:36:00,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:36:00,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:36:00,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:36:00,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:36:00,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:36:00,689 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:36:00,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:36:00,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:36:00,689 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:36:00,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:36:00,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:36:00,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:36:00,690 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_802e0a6b-d47a-42a1-895e-f069e35baeeb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e32269e91be552d606173d0b8eafd4ffa81c0e735dd375e4417d1ccfc27eaf5e [2022-11-25 22:36:01,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:36:01,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:36:01,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:36:01,047 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:36:01,048 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:36:01,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/array-tiling/pnr3.c [2022-11-25 22:36:04,029 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:36:04,222 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:36:04,222 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/sv-benchmarks/c/array-tiling/pnr3.c [2022-11-25 22:36:04,229 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/data/c8cf4e06f/043fc813a6a342c4b9f9ffe15e20a5e7/FLAG18dc0e645 [2022-11-25 22:36:04,249 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/data/c8cf4e06f/043fc813a6a342c4b9f9ffe15e20a5e7 [2022-11-25 22:36:04,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:36:04,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:36:04,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:36:04,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:36:04,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:36:04,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:36:04" (1/1) ... [2022-11-25 22:36:04,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150c204f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04, skipping insertion in model container [2022-11-25 22:36:04,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:36:04" (1/1) ... [2022-11-25 22:36:04,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:36:04,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:36:04,445 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_802e0a6b-d47a-42a1-895e-f069e35baeeb/sv-benchmarks/c/array-tiling/pnr3.c[395,408] [2022-11-25 22:36:04,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:36:04,476 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:36:04,505 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_802e0a6b-d47a-42a1-895e-f069e35baeeb/sv-benchmarks/c/array-tiling/pnr3.c[395,408] [2022-11-25 22:36:04,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:36:04,571 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:36:04,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04 WrapperNode [2022-11-25 22:36:04,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:36:04,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:36:04,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:36:04,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:36:04,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04" (1/1) ... [2022-11-25 22:36:04,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04" (1/1) ... [2022-11-25 22:36:04,609 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2022-11-25 22:36:04,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:36:04,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:36:04,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:36:04,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:36:04,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04" (1/1) ... [2022-11-25 22:36:04,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04" (1/1) ... [2022-11-25 22:36:04,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04" (1/1) ... [2022-11-25 22:36:04,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04" (1/1) ... [2022-11-25 22:36:04,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04" (1/1) ... [2022-11-25 22:36:04,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04" (1/1) ... [2022-11-25 22:36:04,634 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04" (1/1) ... [2022-11-25 22:36:04,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04" (1/1) ... [2022-11-25 22:36:04,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:36:04,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:36:04,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:36:04,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:36:04,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04" (1/1) ... [2022-11-25 22:36:04,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:36:04,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:36:04,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:36:04,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:36:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:36:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:36:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:36:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:36:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2022-11-25 22:36:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2022-11-25 22:36:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:36:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:36:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:36:04,827 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:36:04,829 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:36:05,135 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:36:05,196 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:36:05,196 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 22:36:05,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:36:05 BoogieIcfgContainer [2022-11-25 22:36:05,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:36:05,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:36:05,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:36:05,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:36:05,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:36:04" (1/3) ... [2022-11-25 22:36:05,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2243274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:36:05, skipping insertion in model container [2022-11-25 22:36:05,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:04" (2/3) ... [2022-11-25 22:36:05,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2243274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:36:05, skipping insertion in model container [2022-11-25 22:36:05,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:36:05" (3/3) ... [2022-11-25 22:36:05,224 INFO L112 eAbstractionObserver]: Analyzing ICFG pnr3.c [2022-11-25 22:36:05,251 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:36:05,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-25 22:36:05,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:36:05,355 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;@59b6058d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:36:05,356 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-25 22:36:05,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:36:05,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 22:36:05,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:05,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 22:36:05,372 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:36:05,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:05,378 INFO L85 PathProgramCache]: Analyzing trace with hash 5552805, now seen corresponding path program 1 times [2022-11-25 22:36:05,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:05,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448088247] [2022-11-25 22:36:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:05,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:05,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:05,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:05,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448088247] [2022-11-25 22:36:05,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448088247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:05,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:05,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:36:05,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065746526] [2022-11-25 22:36:05,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:05,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:36:05,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:05,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:36:05,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:36:05,862 INFO L87 Difference]: Start difference. First operand has 81 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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) [2022-11-25 22:36:05,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:05,960 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2022-11-25 22:36:05,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:36:05,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 [2022-11-25 22:36:05,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:05,971 INFO L225 Difference]: With dead ends: 95 [2022-11-25 22:36:05,971 INFO L226 Difference]: Without dead ends: 77 [2022-11-25 22:36:05,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:36:05,977 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 161 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:05,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 78 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:36:05,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-25 22:36:06,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-25 22:36:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 44 states have (on average 1.75) internal successors, (77), 72 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:36:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2022-11-25 22:36:06,031 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 4 [2022-11-25 22:36:06,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:06,031 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2022-11-25 22:36:06,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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) [2022-11-25 22:36:06,032 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2022-11-25 22:36:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 22:36:06,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:06,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 22:36:06,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:36:06,033 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:36:06,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:06,034 INFO L85 PathProgramCache]: Analyzing trace with hash 172137011, now seen corresponding path program 1 times [2022-11-25 22:36:06,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:06,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059595052] [2022-11-25 22:36:06,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:06,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:06,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:06,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059595052] [2022-11-25 22:36:06,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059595052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:06,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:06,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:36:06,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019826838] [2022-11-25 22:36:06,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:06,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:36:06,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:06,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:36:06,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:36:06,296 INFO L87 Difference]: Start difference. First operand 77 states and 83 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2022-11-25 22:36:06,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:06,428 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2022-11-25 22:36:06,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:36:06,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 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 [2022-11-25 22:36:06,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:06,430 INFO L225 Difference]: With dead ends: 77 [2022-11-25 22:36:06,430 INFO L226 Difference]: Without dead ends: 76 [2022-11-25 22:36:06,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:36:06,432 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 221 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:06,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 73 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:36:06,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-25 22:36:06,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-25 22:36:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 44 states have (on average 1.7272727272727273) internal successors, (76), 71 states have internal predecessors, (76), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:36:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2022-11-25 22:36:06,444 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 5 [2022-11-25 22:36:06,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:06,444 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2022-11-25 22:36:06,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2022-11-25 22:36:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2022-11-25 22:36:06,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 22:36:06,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:06,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:06,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:36:06,446 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:36:06,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:06,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1773058136, now seen corresponding path program 1 times [2022-11-25 22:36:06,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:06,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023976606] [2022-11-25 22:36:06,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:06,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:06,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:06,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023976606] [2022-11-25 22:36:06,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023976606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:06,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:06,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:36:06,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352386851] [2022-11-25 22:36:06,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:06,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:36:06,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:06,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:36:06,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:36:06,611 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:36:06,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:06,748 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2022-11-25 22:36:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:36:06,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-25 22:36:06,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:06,750 INFO L225 Difference]: With dead ends: 81 [2022-11-25 22:36:06,750 INFO L226 Difference]: Without dead ends: 79 [2022-11-25 22:36:06,750 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 [2022-11-25 22:36:06,752 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 3 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:06,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 173 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:36:06,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-25 22:36:06,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-11-25 22:36:06,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 47 states have (on average 1.6808510638297873) internal successors, (79), 74 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:36:06,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 85 transitions. [2022-11-25 22:36:06,771 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 85 transitions. Word has length 9 [2022-11-25 22:36:06,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:06,772 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 85 transitions. [2022-11-25 22:36:06,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:36:06,773 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2022-11-25 22:36:06,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 22:36:06,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:06,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:06,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:36:06,776 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:36:06,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:06,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1071596128, now seen corresponding path program 1 times [2022-11-25 22:36:06,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:06,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269695632] [2022-11-25 22:36:06,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:06,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:06,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:06,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:06,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269695632] [2022-11-25 22:36:06,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269695632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:06,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:06,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:36:06,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548081795] [2022-11-25 22:36:06,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:06,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:36:06,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:06,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:36:06,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:06,873 INFO L87 Difference]: Start difference. First operand 79 states and 85 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:36:07,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:07,057 INFO L93 Difference]: Finished difference Result 145 states and 158 transitions. [2022-11-25 22:36:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:36:07,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 22:36:07,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:07,063 INFO L225 Difference]: With dead ends: 145 [2022-11-25 22:36:07,064 INFO L226 Difference]: Without dead ends: 121 [2022-11-25 22:36:07,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:07,071 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 36 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:07,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 77 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 22:36:07,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-25 22:36:07,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 115. [2022-11-25 22:36:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.45) internal successors, (116), 107 states have internal predecessors, (116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 22:36:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 128 transitions. [2022-11-25 22:36:07,096 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 128 transitions. Word has length 12 [2022-11-25 22:36:07,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:07,097 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 128 transitions. [2022-11-25 22:36:07,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:36:07,097 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 128 transitions. [2022-11-25 22:36:07,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 22:36:07,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:07,098 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:07,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:36:07,099 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:36:07,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:07,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1666958657, now seen corresponding path program 1 times [2022-11-25 22:36:07,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:07,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465230181] [2022-11-25 22:36:07,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:07,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:07,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 22:36:07,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:07,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465230181] [2022-11-25 22:36:07,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465230181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:07,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:07,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:36:07,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506315497] [2022-11-25 22:36:07,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:07,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:36:07,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:07,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:36:07,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:36:07,260 INFO L87 Difference]: Start difference. First operand 115 states and 128 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-25 22:36:07,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:07,457 INFO L93 Difference]: Finished difference Result 129 states and 142 transitions. [2022-11-25 22:36:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:36:07,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 [2022-11-25 22:36:07,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:07,462 INFO L225 Difference]: With dead ends: 129 [2022-11-25 22:36:07,462 INFO L226 Difference]: Without dead ends: 120 [2022-11-25 22:36:07,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:36:07,463 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 118 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:07,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 64 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 22:36:07,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-25 22:36:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 115. [2022-11-25 22:36:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.4375) internal successors, (115), 107 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 22:36:07,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 127 transitions. [2022-11-25 22:36:07,476 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 127 transitions. Word has length 12 [2022-11-25 22:36:07,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:07,476 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 127 transitions. [2022-11-25 22:36:07,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-25 22:36:07,477 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 127 transitions. [2022-11-25 22:36:07,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-25 22:36:07,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:07,478 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:07,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:36:07,478 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:36:07,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:07,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1717549988, now seen corresponding path program 1 times [2022-11-25 22:36:07,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:07,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747099084] [2022-11-25 22:36:07,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:07,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 22:36:07,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:07,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747099084] [2022-11-25 22:36:07,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747099084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:07,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:07,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:36:07,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938468817] [2022-11-25 22:36:07,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:07,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:36:07,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:07,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:36:07,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:36:07,600 INFO L87 Difference]: Start difference. First operand 115 states and 127 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 22:36:07,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:07,734 INFO L93 Difference]: Finished difference Result 120 states and 132 transitions. [2022-11-25 22:36:07,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:36:07,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2022-11-25 22:36:07,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:07,736 INFO L225 Difference]: With dead ends: 120 [2022-11-25 22:36:07,736 INFO L226 Difference]: Without dead ends: 118 [2022-11-25 22:36:07,737 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 [2022-11-25 22:36:07,741 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 18 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:07,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 127 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:36:07,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-25 22:36:07,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-11-25 22:36:07,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 110 states have internal predecessors, (118), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 22:36:07,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 130 transitions. [2022-11-25 22:36:07,767 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 130 transitions. Word has length 35 [2022-11-25 22:36:07,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:07,768 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 130 transitions. [2022-11-25 22:36:07,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 22:36:07,768 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 130 transitions. [2022-11-25 22:36:07,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-25 22:36:07,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:07,770 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:07,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:36:07,770 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:36:07,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:07,771 INFO L85 PathProgramCache]: Analyzing trace with hash 763617355, now seen corresponding path program 1 times [2022-11-25 22:36:07,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:07,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995303578] [2022-11-25 22:36:07,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:07,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:07,939 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 22:36:07,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:07,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995303578] [2022-11-25 22:36:07,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995303578] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:36:07,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528222956] [2022-11-25 22:36:07,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:07,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:36:07,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:36:07,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:36:07,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:36:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:08,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 22:36:08,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:36:08,227 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 22:36:08,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:36:08,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528222956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:08,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:36:08,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-25 22:36:08,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587593339] [2022-11-25 22:36:08,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:08,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:36:08,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:08,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:36:08,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:36:08,231 INFO L87 Difference]: Start difference. First operand 118 states and 130 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 22:36:08,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:08,445 INFO L93 Difference]: Finished difference Result 118 states and 130 transitions. [2022-11-25 22:36:08,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:36:08,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2022-11-25 22:36:08,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:08,463 INFO L225 Difference]: With dead ends: 118 [2022-11-25 22:36:08,463 INFO L226 Difference]: Without dead ends: 105 [2022-11-25 22:36:08,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:36:08,464 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 79 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:08,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 100 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 22:36:08,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-25 22:36:08,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-11-25 22:36:08,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 97 states have internal predecessors, (105), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 22:36:08,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 117 transitions. [2022-11-25 22:36:08,474 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 117 transitions. Word has length 45 [2022-11-25 22:36:08,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:08,482 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 117 transitions. [2022-11-25 22:36:08,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 22:36:08,483 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2022-11-25 22:36:08,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-25 22:36:08,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:08,484 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:08,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:36:08,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:36:08,690 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:36:08,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:08,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1974937430, now seen corresponding path program 1 times [2022-11-25 22:36:08,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:08,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517769972] [2022-11-25 22:36:08,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:08,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:08,807 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:36:08,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:08,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517769972] [2022-11-25 22:36:08,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517769972] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:36:08,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690503210] [2022-11-25 22:36:08,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:08,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:36:08,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:36:08,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:36:08,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:36:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:08,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:36:08,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:36:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:36:08,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:36:08,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690503210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:08,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:36:08,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 22:36:08,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488833241] [2022-11-25 22:36:08,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:08,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:36:08,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:08,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:36:08,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:36:08,950 INFO L87 Difference]: Start difference. First operand 105 states and 117 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 22:36:09,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:09,087 INFO L93 Difference]: Finished difference Result 105 states and 117 transitions. [2022-11-25 22:36:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:36:09,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-11-25 22:36:09,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:09,089 INFO L225 Difference]: With dead ends: 105 [2022-11-25 22:36:09,089 INFO L226 Difference]: Without dead ends: 104 [2022-11-25 22:36:09,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-25 22:36:09,090 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 85 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:09,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 95 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:36:09,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-25 22:36:09,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-25 22:36:09,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.2530120481927711) internal successors, (104), 96 states have internal predecessors, (104), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 22:36:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 116 transitions. [2022-11-25 22:36:09,115 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 116 transitions. Word has length 45 [2022-11-25 22:36:09,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:09,116 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 116 transitions. [2022-11-25 22:36:09,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 22:36:09,116 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2022-11-25 22:36:09,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 22:36:09,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:09,121 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:09,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-25 22:36:09,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-25 22:36:09,328 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:36:09,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:09,328 INFO L85 PathProgramCache]: Analyzing trace with hash -2097665701, now seen corresponding path program 1 times [2022-11-25 22:36:09,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:09,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390811372] [2022-11-25 22:36:09,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:09,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 22:36:09,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:09,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390811372] [2022-11-25 22:36:09,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390811372] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:36:09,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055262025] [2022-11-25 22:36:09,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:09,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:36:09,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:36:09,511 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:36:09,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:36:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:09,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 22:36:09,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:36:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 22:36:09,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:36:09,810 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 22:36:09,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055262025] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:36:09,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1373478178] [2022-11-25 22:36:09,831 INFO L159 IcfgInterpreter]: Started Sifa with 33 locations of interest [2022-11-25 22:36:09,831 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:36:09,835 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:36:09,847 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:36:09,848 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:36:10,012 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-25 22:36:10,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2022-11-25 22:36:10,084 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-25 22:36:10,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-25 22:36:10,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-25 22:36:10,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-25 22:36:11,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-25 22:36:13,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:13,504 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-25 22:36:13,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 53 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 32 case distinctions, treesize of input 677 treesize of output 637 [2022-11-25 22:36:15,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,588 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-11-25 22:36:15,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 62 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 762 treesize of output 680 [2022-11-25 22:36:17,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,331 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-25 22:36:17,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 75 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 786 treesize of output 698 [2022-11-25 22:36:17,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:36:17,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:36:17,980 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:36:17,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:36:18,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:36:18,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:36:18,243 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:36:18,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:36:18,409 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-25 22:36:18,413 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:36:21,685 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2497#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~MAX~0 100000) (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0) (<= 1 ~SIZE~0) (<= |ULTIMATE.start_main_~value~0#1| 2147483647) (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|) (<= ~SIZE~0 100000) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< 2147483647 (* 3 |ULTIMATE.start_main_~i~0#1|)) (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (not (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-25 22:36:21,685 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 22:36:21,686 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 22:36:21,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-25 22:36:21,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303133519] [2022-11-25 22:36:21,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 22:36:21,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 22:36:21,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:21,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 22:36:21,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2022-11-25 22:36:21,688 INFO L87 Difference]: Start difference. First operand 104 states and 116 transitions. Second operand has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-25 22:36:21,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:21,922 INFO L93 Difference]: Finished difference Result 158 states and 192 transitions. [2022-11-25 22:36:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:36:21,923 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 46 [2022-11-25 22:36:21,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:21,924 INFO L225 Difference]: With dead ends: 158 [2022-11-25 22:36:21,924 INFO L226 Difference]: Without dead ends: 145 [2022-11-25 22:36:21,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 103 SyntacticMatches, 8 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=182, Invalid=874, Unknown=0, NotChecked=0, Total=1056 [2022-11-25 22:36:21,926 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 139 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:21,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 106 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 22:36:21,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-25 22:36:21,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2022-11-25 22:36:21,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 128 states have (on average 1.1328125) internal successors, (145), 131 states have internal predecessors, (145), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 22:36:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2022-11-25 22:36:21,935 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 46 [2022-11-25 22:36:21,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:21,936 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2022-11-25 22:36:21,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-25 22:36:21,936 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2022-11-25 22:36:21,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 22:36:21,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:21,937 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:21,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:36:22,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:36:22,143 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:36:22,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:22,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1093518021, now seen corresponding path program 1 times [2022-11-25 22:36:22,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:22,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653827214] [2022-11-25 22:36:22,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:22,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:22,251 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:36:22,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:22,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653827214] [2022-11-25 22:36:22,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653827214] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:36:22,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144339463] [2022-11-25 22:36:22,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:22,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:36:22,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:36:22,254 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:36:22,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:36:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:22,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:36:22,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:36:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:36:22,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:36:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:36:22,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144339463] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:36:22,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1442393007] [2022-11-25 22:36:22,435 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-25 22:36:22,435 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:36:22,436 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:36:22,436 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:36:22,436 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:36:22,574 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-25 22:36:22,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-25 22:36:22,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-25 22:36:22,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-25 22:36:23,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-25 22:36:23,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-25 22:36:24,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:24,800 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-25 22:36:24,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 53 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 32 case distinctions, treesize of input 677 treesize of output 637 [2022-11-25 22:36:26,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:26,364 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-11-25 22:36:26,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 62 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 762 treesize of output 680 [2022-11-25 22:36:27,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:27,755 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-25 22:36:27,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 75 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 786 treesize of output 698 [2022-11-25 22:36:28,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:36:28,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:36:28,386 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:36:28,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:36:28,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:36:28,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:36:28,612 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:36:28,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:36:28,851 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-25 22:36:28,853 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:36:32,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1442393007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:32,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 22:36:32,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-25 22:36:32,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707598992] [2022-11-25 22:36:32,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:32,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 22:36:32,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:32,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 22:36:32,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=973, Unknown=0, NotChecked=0, Total=1190 [2022-11-25 22:36:32,302 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:36:44,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:44,020 INFO L93 Difference]: Finished difference Result 397 states and 457 transitions. [2022-11-25 22:36:44,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-25 22:36:44,026 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 46 [2022-11-25 22:36:44,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:44,032 INFO L225 Difference]: With dead ends: 397 [2022-11-25 22:36:44,033 INFO L226 Difference]: Without dead ends: 388 [2022-11-25 22:36:44,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 98 SyntacticMatches, 10 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1252 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=662, Invalid=2998, Unknown=0, NotChecked=0, Total=3660 [2022-11-25 22:36:44,040 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 206 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:44,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 130 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-25 22:36:44,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-11-25 22:36:44,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 222. [2022-11-25 22:36:44,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 198 states have (on average 1.1363636363636365) internal successors, (225), 201 states have internal predecessors, (225), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-25 22:36:44,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 263 transitions. [2022-11-25 22:36:44,077 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 263 transitions. Word has length 46 [2022-11-25 22:36:44,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:44,077 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 263 transitions. [2022-11-25 22:36:44,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:36:44,078 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 263 transitions. [2022-11-25 22:36:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 22:36:44,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:44,079 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:44,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 22:36:44,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:36:44,285 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:36:44,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:44,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1206489103, now seen corresponding path program 1 times [2022-11-25 22:36:44,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:44,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769899659] [2022-11-25 22:36:44,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:44,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:36:44,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:44,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769899659] [2022-11-25 22:36:44,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769899659] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:36:44,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144214318] [2022-11-25 22:36:44,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:44,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:36:44,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:36:44,380 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:36:44,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 22:36:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:44,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:36:44,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:36:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:36:44,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:36:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:36:44,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144214318] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:36:44,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1197811812] [2022-11-25 22:36:44,537 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-25 22:36:44,537 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:36:44,538 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:36:44,538 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:36:44,538 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:36:44,628 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-25 22:36:44,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-25 22:36:44,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-25 22:36:44,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-25 22:36:45,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-25 22:36:45,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-25 22:36:45,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:45,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:45,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:45,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:45,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:45,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 32 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 146 [2022-11-25 22:36:45,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:45,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:45,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:45,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:45,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:45,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:45,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:45,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:45,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 35 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 170 [2022-11-25 22:36:46,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:46,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:46,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:46,189 INFO L321 Elim1Store]: treesize reduction 109, result has 12.1 percent of original size [2022-11-25 22:36:46,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 56 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 56 case distinctions, treesize of input 742 treesize of output 688 [2022-11-25 22:36:48,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:36:48,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 108 [2022-11-25 22:36:49,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:36:49,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 217 [2022-11-25 22:36:49,603 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:36:49,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 305 treesize of output 253 [2022-11-25 22:36:49,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:36:50,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:36:50,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 105 [2022-11-25 22:36:50,837 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-25 22:36:50,839 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:36:54,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1197811812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:54,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 22:36:54,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-25 22:36:54,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859301614] [2022-11-25 22:36:54,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:54,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 22:36:54,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:54,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 22:36:54,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=971, Unknown=0, NotChecked=0, Total=1190 [2022-11-25 22:36:54,839 INFO L87 Difference]: Start difference. First operand 222 states and 263 transitions. Second operand has 25 states, 21 states have (on average 1.619047619047619) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:37:05,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:05,411 INFO L93 Difference]: Finished difference Result 387 states and 454 transitions. [2022-11-25 22:37:05,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-25 22:37:05,412 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 1.619047619047619) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 46 [2022-11-25 22:37:05,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:05,414 INFO L225 Difference]: With dead ends: 387 [2022-11-25 22:37:05,414 INFO L226 Difference]: Without dead ends: 378 [2022-11-25 22:37:05,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 93 SyntacticMatches, 15 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1416 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=722, Invalid=3184, Unknown=0, NotChecked=0, Total=3906 [2022-11-25 22:37:05,416 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 358 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:05,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 67 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 22:37:05,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2022-11-25 22:37:05,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 305. [2022-11-25 22:37:05,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 274 states have (on average 1.1313868613138687) internal successors, (310), 277 states have internal predecessors, (310), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-25 22:37:05,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 362 transitions. [2022-11-25 22:37:05,459 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 362 transitions. Word has length 46 [2022-11-25 22:37:05,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:05,459 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 362 transitions. [2022-11-25 22:37:05,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 1.619047619047619) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:37:05,460 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 362 transitions. [2022-11-25 22:37:05,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 22:37:05,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:05,461 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:37:05,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 22:37:05,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 22:37:05,667 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:37:05,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:05,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2025340111, now seen corresponding path program 1 times [2022-11-25 22:37:05,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:05,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520722238] [2022-11-25 22:37:05,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:05,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:05,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:37:05,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:05,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520722238] [2022-11-25 22:37:05,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520722238] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:37:05,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921761295] [2022-11-25 22:37:05,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:05,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:37:05,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:37:05,765 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:37:05,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 22:37:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:05,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:37:05,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:37:05,872 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:37:05,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:37:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:37:05,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921761295] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:37:05,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1812561472] [2022-11-25 22:37:05,926 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-25 22:37:05,926 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:37:05,926 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:37:05,927 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:37:05,927 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:37:06,003 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-25 22:37:06,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-25 22:37:06,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-25 22:37:06,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-25 22:37:06,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-25 22:37:06,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 151 [2022-11-25 22:37:07,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:37:07,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:37:07,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:07,673 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-25 22:37:07,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 39 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 662 treesize of output 632 [2022-11-25 22:37:09,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:37:09,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:37:09,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:37:09,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:37:09,602 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:37:09,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 61 [2022-11-25 22:37:09,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:37:09,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:37:09,848 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:37:09,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 61 [2022-11-25 22:37:10,060 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-25 22:37:10,062 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:37:13,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1812561472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:13,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 22:37:13,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-25 22:37:13,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103845258] [2022-11-25 22:37:13,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:13,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 22:37:13,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:13,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 22:37:13,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=960, Unknown=0, NotChecked=0, Total=1190 [2022-11-25 22:37:13,586 INFO L87 Difference]: Start difference. First operand 305 states and 362 transitions. Second operand has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:37:24,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:24,465 INFO L93 Difference]: Finished difference Result 500 states and 589 transitions. [2022-11-25 22:37:24,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-25 22:37:24,466 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 46 [2022-11-25 22:37:24,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:24,468 INFO L225 Difference]: With dead ends: 500 [2022-11-25 22:37:24,468 INFO L226 Difference]: Without dead ends: 491 [2022-11-25 22:37:24,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 98 SyntacticMatches, 10 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1208 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=676, Invalid=2864, Unknown=0, NotChecked=0, Total=3540 [2022-11-25 22:37:24,470 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 151 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:24,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 83 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 22:37:24,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2022-11-25 22:37:24,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 317. [2022-11-25 22:37:24,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 286 states have (on average 1.1258741258741258) internal successors, (322), 289 states have internal predecessors, (322), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-25 22:37:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 374 transitions. [2022-11-25 22:37:24,515 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 374 transitions. Word has length 46 [2022-11-25 22:37:24,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:24,516 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 374 transitions. [2022-11-25 22:37:24,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:37:24,516 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 374 transitions. [2022-11-25 22:37:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 22:37:24,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:24,517 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:37:24,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 22:37:24,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-25 22:37:24,723 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:37:24,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:24,723 INFO L85 PathProgramCache]: Analyzing trace with hash -313561487, now seen corresponding path program 1 times [2022-11-25 22:37:24,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:24,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469310141] [2022-11-25 22:37:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:24,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:37:24,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:24,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469310141] [2022-11-25 22:37:24,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469310141] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:37:24,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048298276] [2022-11-25 22:37:24,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:24,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:37:24,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:37:24,813 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:37:24,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 22:37:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:24,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:37:24,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:37:24,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:37:24,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:37:24,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:37:24,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048298276] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:37:24,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [105272453] [2022-11-25 22:37:24,954 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-25 22:37:24,954 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:37:24,955 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:37:24,955 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:37:24,955 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:37:25,023 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-25 22:37:25,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-25 22:37:25,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-25 22:37:25,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-25 22:37:25,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 118 [2022-11-25 22:37:25,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 133 [2022-11-25 22:37:25,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:37:25,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:37:25,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:25,893 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-25 22:37:25,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 39 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 654 treesize of output 644 [2022-11-25 22:37:26,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:37:27,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 87 [2022-11-25 22:37:27,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:37:27,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-25 22:37:27,460 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:37:27,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 43 [2022-11-25 22:37:27,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:37:27,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-25 22:37:27,685 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:37:27,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 43 [2022-11-25 22:37:28,083 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-25 22:37:28,086 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:37:31,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [105272453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:31,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 22:37:31,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [5, 5, 5] total 35 [2022-11-25 22:37:31,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906946887] [2022-11-25 22:37:31,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:31,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-25 22:37:31,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:31,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-25 22:37:31,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1023, Unknown=0, NotChecked=0, Total=1260 [2022-11-25 22:37:31,667 INFO L87 Difference]: Start difference. First operand 317 states and 374 transitions. Second operand has 26 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 21 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:37:42,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:42,511 INFO L93 Difference]: Finished difference Result 547 states and 638 transitions. [2022-11-25 22:37:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-25 22:37:42,511 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 21 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 46 [2022-11-25 22:37:42,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:42,514 INFO L225 Difference]: With dead ends: 547 [2022-11-25 22:37:42,514 INFO L226 Difference]: Without dead ends: 538 [2022-11-25 22:37:42,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 95 SyntacticMatches, 12 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1345 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=681, Invalid=3101, Unknown=0, NotChecked=0, Total=3782 [2022-11-25 22:37:42,516 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 223 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:42,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 113 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-25 22:37:42,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-11-25 22:37:42,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 389. [2022-11-25 22:37:42,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 350 states have (on average 1.1285714285714286) internal successors, (395), 353 states have internal predecessors, (395), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-11-25 22:37:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 463 transitions. [2022-11-25 22:37:42,576 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 463 transitions. Word has length 46 [2022-11-25 22:37:42,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:42,576 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 463 transitions. [2022-11-25 22:37:42,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 21 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:37:42,577 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 463 transitions. [2022-11-25 22:37:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 22:37:42,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:42,578 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:37:42,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 22:37:42,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:37:42,780 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:37:42,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:42,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1245383577, now seen corresponding path program 1 times [2022-11-25 22:37:42,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:42,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451657353] [2022-11-25 22:37:42,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:42,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:42,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:37:42,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:42,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451657353] [2022-11-25 22:37:42,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451657353] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:37:42,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291396865] [2022-11-25 22:37:42,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:42,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:37:42,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:37:42,921 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:37:42,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 22:37:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:43,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:37:43,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:37:43,035 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:37:43,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:37:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:37:43,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291396865] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:37:43,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [174281765] [2022-11-25 22:37:43,094 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-25 22:37:43,095 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:37:43,095 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:37:43,095 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:37:43,095 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:37:43,170 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-25 22:37:43,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-25 22:37:43,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-25 22:37:43,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-25 22:37:43,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 118 [2022-11-25 22:37:43,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-25 22:37:43,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:37:43,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:37:43,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:44,018 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-25 22:37:44,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 38 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 675 treesize of output 653 [2022-11-25 22:37:45,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:37:45,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 108 [2022-11-25 22:37:46,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:37:46,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-25 22:37:46,438 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:37:46,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:37:46,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:37:46,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-25 22:37:46,668 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:37:46,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:37:47,037 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-25 22:37:47,039 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:37:50,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [174281765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:50,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 22:37:50,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [5, 5, 5] total 36 [2022-11-25 22:37:50,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102355428] [2022-11-25 22:37:50,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:50,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-25 22:37:50,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:50,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-25 22:37:50,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1087, Unknown=0, NotChecked=0, Total=1332 [2022-11-25 22:37:50,816 INFO L87 Difference]: Start difference. First operand 389 states and 463 transitions. Second operand has 27 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:38:02,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:02,894 INFO L93 Difference]: Finished difference Result 560 states and 661 transitions. [2022-11-25 22:38:02,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-25 22:38:02,896 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 46 [2022-11-25 22:38:02,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:02,898 INFO L225 Difference]: With dead ends: 560 [2022-11-25 22:38:02,899 INFO L226 Difference]: Without dead ends: 551 [2022-11-25 22:38:02,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 95 SyntacticMatches, 11 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1478 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=755, Invalid=3535, Unknown=0, NotChecked=0, Total=4290 [2022-11-25 22:38:02,901 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 295 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:02,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 105 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 22:38:02,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2022-11-25 22:38:02,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 381. [2022-11-25 22:38:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 344 states have (on average 1.122093023255814) internal successors, (386), 347 states have internal predecessors, (386), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-25 22:38:02,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 450 transitions. [2022-11-25 22:38:02,961 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 450 transitions. Word has length 46 [2022-11-25 22:38:02,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:02,962 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 450 transitions. [2022-11-25 22:38:02,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:38:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 450 transitions. [2022-11-25 22:38:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 22:38:02,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:02,964 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:02,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:03,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-25 22:38:03,170 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:38:03,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:03,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1823747300, now seen corresponding path program 1 times [2022-11-25 22:38:03,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:03,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640371536] [2022-11-25 22:38:03,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:03,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-25 22:38:03,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:03,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640371536] [2022-11-25 22:38:03,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640371536] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:38:03,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826795036] [2022-11-25 22:38:03,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:03,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:03,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:03,318 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:38:03,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 22:38:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:03,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:38:03,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:38:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-25 22:38:03,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:38:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-25 22:38:03,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826795036] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:38:03,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1132045629] [2022-11-25 22:38:03,504 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-25 22:38:03,505 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:38:03,505 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:38:03,506 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:38:03,506 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:38:03,598 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-25 22:38:03,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2022-11-25 22:38:03,654 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-25 22:38:03,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-25 22:38:03,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-25 22:38:04,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-25 22:38:04,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-25 22:38:05,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:38:05,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:38:05,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:05,386 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-25 22:38:05,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 39 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 641 treesize of output 623 [2022-11-25 22:38:06,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:07,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-25 22:38:07,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:07,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:38:07,206 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:07,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:38:07,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:07,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:38:07,357 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:07,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:38:07,447 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:07,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 67 [2022-11-25 22:38:07,525 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:07,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 91 [2022-11-25 22:38:07,629 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:07,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 106 [2022-11-25 22:38:08,094 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:08,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 419 treesize of output 334 [2022-11-25 22:38:08,545 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:08,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 497 treesize of output 370 [2022-11-25 22:38:08,968 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:08,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 521 treesize of output 388 [2022-11-25 22:38:09,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:09,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:38:09,218 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:09,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:38:09,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:09,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:38:09,401 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:09,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:38:09,511 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:09,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 67 [2022-11-25 22:38:09,593 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:09,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 91 [2022-11-25 22:38:09,679 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:09,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 106 [2022-11-25 22:38:10,180 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:10,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 419 treesize of output 334 [2022-11-25 22:38:10,638 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:10,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 497 treesize of output 370 [2022-11-25 22:38:11,110 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:11,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 521 treesize of output 388 [2022-11-25 22:38:11,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:11,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:38:11,396 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:11,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:38:11,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:11,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:38:11,738 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:11,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:38:11,970 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-25 22:38:11,972 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:38:15,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1132045629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:15,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 22:38:15,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-25 22:38:15,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787589641] [2022-11-25 22:38:15,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:15,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 22:38:15,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:15,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 22:38:15,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=967, Unknown=0, NotChecked=0, Total=1190 [2022-11-25 22:38:15,130 INFO L87 Difference]: Start difference. First operand 381 states and 450 transitions. Second operand has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:38:25,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:25,105 INFO L93 Difference]: Finished difference Result 830 states and 978 transitions. [2022-11-25 22:38:25,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-25 22:38:25,106 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 79 [2022-11-25 22:38:25,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:25,109 INFO L225 Difference]: With dead ends: 830 [2022-11-25 22:38:25,109 INFO L226 Difference]: Without dead ends: 820 [2022-11-25 22:38:25,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 192 SyntacticMatches, 15 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=717, Invalid=3065, Unknown=0, NotChecked=0, Total=3782 [2022-11-25 22:38:25,111 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 221 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:25,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 104 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-25 22:38:25,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2022-11-25 22:38:25,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 572. [2022-11-25 22:38:25,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 516 states have (on average 1.124031007751938) internal successors, (580), 519 states have internal predecessors, (580), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-25 22:38:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 682 transitions. [2022-11-25 22:38:25,217 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 682 transitions. Word has length 79 [2022-11-25 22:38:25,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:25,217 INFO L495 AbstractCegarLoop]: Abstraction has 572 states and 682 transitions. [2022-11-25 22:38:25,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:38:25,217 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 682 transitions. [2022-11-25 22:38:25,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 22:38:25,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:25,219 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:25,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:25,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-25 22:38:25,425 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 22:38:25,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:25,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1539397906, now seen corresponding path program 1 times [2022-11-25 22:38:25,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:25,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046113836] [2022-11-25 22:38:25,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:25,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:25,549 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-25 22:38:25,549 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:25,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046113836] [2022-11-25 22:38:25,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046113836] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:38:25,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498196696] [2022-11-25 22:38:25,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:25,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:25,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:25,554 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:38:25,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 22:38:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:25,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:38:25,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:38:25,674 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-25 22:38:25,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:38:25,721 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-25 22:38:25,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498196696] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:38:25,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2067436068] [2022-11-25 22:38:25,723 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-25 22:38:25,724 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:38:25,724 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:38:25,724 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:38:25,724 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:38:25,860 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-25 22:38:25,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-25 22:38:25,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-25 22:38:26,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-25 22:38:26,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-25 22:38:26,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-25 22:38:26,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:27,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:27,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:27,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:27,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:27,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:27,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:27,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:27,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:27,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:27,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:27,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:27,589 INFO L321 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2022-11-25 22:38:27,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 432 treesize of output 440 [2022-11-25 22:38:28,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,339 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-25 22:38:28,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 43 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 517 treesize of output 483 [2022-11-25 22:38:28,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:38:28,516 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-25 22:38:28,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 44 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 517 treesize of output 483 [2022-11-25 22:38:28,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:28,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:29,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 105 [2022-11-25 22:38:29,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 105 [2022-11-25 22:38:29,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:29,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:29,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 105 [2022-11-25 22:38:29,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 105 [2022-11-25 22:38:29,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:29,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-25 22:38:29,765 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:29,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:38:29,796 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:29,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:38:30,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:30,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 226 [2022-11-25 22:38:30,672 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:30,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-25 22:38:30,743 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:30,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-25 22:38:30,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:31,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 226 [2022-11-25 22:38:31,405 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:31,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-25 22:38:31,473 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:31,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-25 22:38:31,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:31,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-25 22:38:31,691 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:31,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:38:31,728 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:31,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-25 22:38:31,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:32,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 226 [2022-11-25 22:38:32,567 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:32,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-25 22:38:32,636 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:38:32,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-25 22:38:32,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:32,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:32,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:38:32,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-25 22:38:33,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:38:33,401 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-25 22:38:33,404 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:38:36,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2067436068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:36,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 22:38:36,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [5, 5, 5] total 35 [2022-11-25 22:38:36,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064357251] [2022-11-25 22:38:36,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:36,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-25 22:38:36,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:36,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-25 22:38:36,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1026, Unknown=0, NotChecked=0, Total=1260 [2022-11-25 22:38:36,885 INFO L87 Difference]: Start difference. First operand 572 states and 682 transitions. Second operand has 26 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:38:47,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:47,583 INFO L93 Difference]: Finished difference Result 631 states and 761 transitions. [2022-11-25 22:38:47,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-25 22:38:47,584 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 79 [2022-11-25 22:38:47,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:47,584 INFO L225 Difference]: With dead ends: 631 [2022-11-25 22:38:47,584 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 22:38:47,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 184 SyntacticMatches, 22 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1637 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=796, Invalid=3364, Unknown=0, NotChecked=0, Total=4160 [2022-11-25 22:38:47,588 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 93 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:47,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 15 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 22:38:47,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 22:38:47,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 22:38:47,589 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) [2022-11-25 22:38:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 22:38:47,590 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2022-11-25 22:38:47,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:47,590 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 22:38:47,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:38:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 22:38:47,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 22:38:47,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-11-25 22:38:47,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-11-25 22:38:47,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-11-25 22:38:47,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-11-25 22:38:47,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-11-25 22:38:47,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-11-25 22:38:47,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-11-25 22:38:47,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-11-25 22:38:47,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-11-25 22:38:47,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-11-25 22:38:47,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-11-25 22:38:47,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-11-25 22:38:47,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-11-25 22:38:47,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-11-25 22:38:47,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-11-25 22:38:47,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-11-25 22:38:47,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-11-25 22:38:47,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-11-25 22:38:47,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-11-25 22:38:47,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-11-25 22:38:47,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-11-25 22:38:47,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-11-25 22:38:47,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-11-25 22:38:47,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-11-25 22:38:47,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-11-25 22:38:47,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-11-25 22:38:47,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-11-25 22:38:47,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-11-25 22:38:47,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-11-25 22:38:47,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-11-25 22:38:47,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:47,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 22:38:47,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 22:39:39,787 WARN L233 SmtUtils]: Spent 48.51s on a formula simplification. DAG size of input: 277 DAG size of output: 277 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-25 22:39:49,970 WARN L233 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 277 DAG size of output: 139 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-25 22:39:54,370 INFO L902 garLoopResultBuilder]: At program point ReadFromPortENTRY(lines 12 16) the Hoare annotation is: true [2022-11-25 22:39:54,370 INFO L899 garLoopResultBuilder]: For program point ReadFromPortEXIT(lines 12 16) no Hoare annotation was computed. [2022-11-25 22:39:54,371 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-25 22:39:54,371 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-25 22:39:54,371 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-25 22:39:54,371 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-25 22:39:54,372 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-25 22:39:54,372 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 67) no Hoare annotation was computed. [2022-11-25 22:39:54,372 INFO L899 garLoopResultBuilder]: For program point L69-3(line 69) no Hoare annotation was computed. [2022-11-25 22:39:54,372 INFO L899 garLoopResultBuilder]: For program point L69-4(line 69) no Hoare annotation was computed. [2022-11-25 22:39:54,373 INFO L899 garLoopResultBuilder]: For program point L36-4(lines 36 67) no Hoare annotation was computed. [2022-11-25 22:39:54,379 INFO L895 garLoopResultBuilder]: At program point L69-5(lines 69 72) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1)) (.cse35 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse35 2))) (.cse5 (= (select .cse35 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (<= 2 ~SIZE~0)) (.cse9 (= 51 (select .cse35 3))) (.cse10 (= 2 (select |#length| 1))) (.cse11 (= (select |#valid| 3) 1)) (.cse12 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse13 (= (select .cse35 4) 46)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse15 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse16 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse17 (= (select |#valid| 1) 1)) (.cse18 (= (select .cse35 6) 0)) (.cse19 (= 112 (select .cse35 0))) (.cse20 (<= ~SIZE~0 99999)) (.cse21 (= (select |#valid| 0) 0)) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= (select .cse34 0) 48)) (.cse25 (= 110 (select .cse35 1))) (.cse26 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse27 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse28 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse29 (= (select .cse34 1) 0)) (.cse30 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse31 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse32 (< 0 |#StackHeapBarrier|)) (.cse33 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) [2022-11-25 22:39:54,380 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-25 22:39:54,380 INFO L899 garLoopResultBuilder]: For program point L36-5(line 36) no Hoare annotation was computed. [2022-11-25 22:39:54,380 INFO L899 garLoopResultBuilder]: For program point L36-6(line 36) no Hoare annotation was computed. [2022-11-25 22:39:54,380 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 22:39:54,380 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-11-25 22:39:54,384 INFO L895 garLoopResultBuilder]: At program point L36-7(lines 36 67) the Hoare annotation is: (let ((.cse31 (select |#memory_int| 1)) (.cse32 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse32 2))) (.cse5 (= (select .cse32 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (<= 2 ~SIZE~0)) (.cse9 (= 51 (select .cse32 3))) (.cse10 (= 2 (select |#length| 1))) (.cse11 (= (select |#valid| 3) 1)) (.cse12 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse13 (= (select .cse32 4) 46)) (.cse14 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse15 (= (select |#valid| 1) 1)) (.cse16 (= (select .cse32 6) 0)) (.cse17 (= 112 (select .cse32 0))) (.cse18 (<= ~SIZE~0 99999)) (.cse19 (= (select |#valid| 0) 0)) (.cse20 (= (select |#valid| 2) 1)) (.cse21 (= |#NULL.offset| 0)) (.cse22 (= (select .cse31 0) 48)) (.cse23 (= 110 (select .cse32 1))) (.cse24 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse25 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse26 (= (select .cse31 1) 0)) (.cse28 (< 0 |#StackHeapBarrier|)) (.cse29 (= |#NULL.base| 0))) (or (let ((.cse27 (= (let ((.cse30 (mod ~SIZE~0 3))) (ite (and (< ~SIZE~0 0) (not (= .cse30 0))) (+ .cse30 (- 3)) .cse30)) 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= |ULTIMATE.start_main_~i~0#1| 1) .cse11 .cse12 .cse13 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| (ite .cse27 1 0)) .cse27 .cse28 .cse29)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse12 .cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) .cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse15 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 715827883) .cse16 .cse17 .cse18 .cse19 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse26 (= ~SIZE~0 (* (div ~SIZE~0 3) 3)) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse28 .cse29)))) [2022-11-25 22:39:54,384 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2022-11-25 22:39:54,384 INFO L899 garLoopResultBuilder]: For program point L36-8(lines 36 67) no Hoare annotation was computed. [2022-11-25 22:39:54,385 INFO L899 garLoopResultBuilder]: For program point L61-2(line 61) no Hoare annotation was computed. [2022-11-25 22:39:54,385 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2022-11-25 22:39:54,385 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-25 22:39:54,385 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-25 22:39:54,385 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-11-25 22:39:54,385 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-11-25 22:39:54,385 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2022-11-25 22:39:54,386 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2022-11-25 22:39:54,386 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-25 22:39:54,386 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-25 22:39:54,386 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-25 22:39:54,386 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-25 22:39:54,386 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-25 22:39:54,387 INFO L895 garLoopResultBuilder]: At program point L38(line 38) the Hoare annotation is: (let ((.cse30 (select |#memory_int| 1)) (.cse31 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse31 2))) (.cse5 (= (select .cse31 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (= 51 (select .cse31 3))) (.cse9 (= 2 (select |#length| 1))) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse12 (= (select .cse31 4) 46)) (.cse13 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse14 (= (select |#valid| 1) 1)) (.cse15 (= (select .cse31 6) 0)) (.cse16 (= 112 (select .cse31 0))) (.cse17 (<= ~SIZE~0 99999)) (.cse18 (= (select |#valid| 0) 0)) (.cse19 (= (select |#valid| 2) 1)) (.cse20 (= |#NULL.offset| 0)) (.cse21 (= (select .cse30 0) 48)) (.cse22 (= 110 (select .cse31 1))) (.cse23 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse24 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse25 (= (select .cse30 1) 0)) (.cse27 (< 0 |#StackHeapBarrier|)) (.cse28 (= |#NULL.base| 0))) (or (let ((.cse26 (= (let ((.cse29 (mod ~SIZE~0 3))) (ite (and (< ~SIZE~0 0) (not (= .cse29 0))) (+ .cse29 (- 3)) .cse29)) 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 2 ~SIZE~0) .cse8 .cse9 (= |ULTIMATE.start_main_~i~0#1| 1) .cse10 .cse11 .cse12 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| (ite .cse26 1 0)) .cse26 .cse27 .cse28)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse11 .cse12 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (< 1 ~SIZE~0) .cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse14 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse15 .cse16 .cse17 .cse18 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse19 .cse20 .cse21 .cse22 .cse23 (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647) .cse24 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse25 (= ~SIZE~0 (* (div ~SIZE~0 3) 3)) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse27 .cse28)))) [2022-11-25 22:39:54,387 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-25 22:39:54,387 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-25 22:39:54,388 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-25 22:39:54,388 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-11-25 22:39:54,388 INFO L899 garLoopResultBuilder]: For program point L55-2(line 55) no Hoare annotation was computed. [2022-11-25 22:39:54,388 INFO L899 garLoopResultBuilder]: For program point L55-3(line 55) no Hoare annotation was computed. [2022-11-25 22:39:54,388 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-25 22:39:54,388 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-25 22:39:54,388 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 46) no Hoare annotation was computed. [2022-11-25 22:39:54,389 INFO L895 garLoopResultBuilder]: At program point L39-2(lines 39 46) the Hoare annotation is: (let ((.cse43 (select |#memory_int| 1)) (.cse44 (select |#memory_int| 2)) (.cse40 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (.cse39 (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (- 12) (* |ULTIMATE.start_main_~i~0#1| 12))))) (let ((.cse11 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse13 (<= |ULTIMATE.start_main_~value~0#1| 2147483647)) (.cse17 (= .cse39 |ULTIMATE.start_main_~value~0#1|)) (.cse25 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|))) (.cse33 (not .cse40)) (.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse44 2))) (.cse5 (= (select .cse44 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (<= 2 ~SIZE~0)) (.cse9 (= 51 (select .cse44 3))) (.cse10 (= 2 (select |#length| 1))) (.cse12 (= (select |#valid| 3) 1)) (.cse14 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse15 (= (select .cse44 4) 46)) (.cse16 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse18 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse19 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (= (select .cse44 6) 0)) (.cse23 (<= ~SIZE~0 99999)) (.cse35 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse22 (= 112 (select .cse44 0))) (.cse24 (= (select |#valid| 0) 0)) (.cse26 (= (select |#valid| 2) 1)) (.cse27 (= |#NULL.offset| 0)) (.cse28 (= (select .cse43 0) 48)) (.cse29 (= 110 (select .cse44 1))) (.cse30 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse31 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse32 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse34 (= (select .cse43 1) 0)) (.cse36 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse37 (< 0 |#StackHeapBarrier|)) (.cse38 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38) (and .cse0 .cse1 .cse2 .cse3 (= .cse39 |ULTIMATE.start_main_~FIXEDVAL~0#1|) .cse4 .cse5 .cse6 .cse40 .cse8 .cse9 .cse10 .cse11 .cse12 .cse14 .cse15 .cse16 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse26 (<= 0 |ULTIMATE.start_main_~value~0#1|) .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 (<= |ULTIMATE.start_main_~value~0#1| 0) .cse34 .cse35 .cse36 .cse37 .cse38) (and (let ((.cse41 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse42 (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse41 .cse21 .cse23 .cse25 .cse42 .cse33 .cse35) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse40 .cse8 .cse9 .cse10 .cse12 .cse14 .cse15 .cse16 .cse18 .cse19 (<= .cse39 2147483647) .cse20 .cse41 .cse21 .cse23 (not (= .cse39 |ULTIMATE.start_main_~DEFAULTVAL~0#1|)) (<= 0 (+ .cse39 2147483648)) .cse42 .cse35))) .cse22 .cse24 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse34 .cse36 .cse37 .cse38)))) [2022-11-25 22:39:54,389 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-25 22:39:54,390 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-25 22:39:54,390 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-11-25 22:39:54,390 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-25 22:39:54,390 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-11-25 22:39:54,390 INFO L899 garLoopResultBuilder]: For program point L65-1(line 65) no Hoare annotation was computed. [2022-11-25 22:39:54,390 INFO L899 garLoopResultBuilder]: For program point L65-2(line 65) no Hoare annotation was computed. [2022-11-25 22:39:54,390 INFO L899 garLoopResultBuilder]: For program point L65-3(line 65) no Hoare annotation was computed. [2022-11-25 22:39:54,391 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-25 22:39:54,391 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2022-11-25 22:39:54,391 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-25 22:39:54,392 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 56) no Hoare annotation was computed. [2022-11-25 22:39:54,392 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-25 22:39:54,392 INFO L895 garLoopResultBuilder]: At program point L49-2(lines 49 56) the Hoare annotation is: (let ((.cse50 (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|)) (.cse51 (* |ULTIMATE.start_main_~i~0#1| 12))) (let ((.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (.cse46 (select |#memory_int| 1)) (.cse48 (select .cse50 (+ |ULTIMATE.start_main_~a~0#1.offset| (- 12) .cse51))) (.cse47 (select |#memory_int| 2)) (.cse49 (select .cse50 (+ |ULTIMATE.start_main_~a~0#1.offset| .cse51 (- 8))))) (let ((.cse15 (= .cse49 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse47 2))) (.cse5 (= (select .cse47 5) 99)) (.cse42 (= ~MAX~0 100000)) (.cse6 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse43 (<= 2 ~SIZE~0)) (.cse8 (= 51 (select .cse47 3))) (.cse9 (= 2 (select |#length| 1))) (.cse11 (= (select |#valid| 3) 1)) (.cse19 (<= |ULTIMATE.start_main_~value~0#1| 2147483647)) (.cse12 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse23 (= (select .cse47 4) 46)) (.cse24 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse25 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse26 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse20 (= .cse49 |ULTIMATE.start_main_~value~0#1|)) (.cse13 (<= .cse48 2147483647)) (.cse27 (= (select |#valid| 1) 1)) (.cse44 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse28 (= (select .cse47 6) 0)) (.cse29 (= 112 (select .cse47 0))) (.cse14 (<= ~SIZE~0 99999)) (.cse30 (= (select |#valid| 0) 0)) (.cse21 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|))) (.cse16 (not (= .cse48 |ULTIMATE.start_main_~DEFAULTVAL~0#1|))) (.cse31 (= (select |#valid| 2) 1)) (.cse32 (= |#NULL.offset| 0)) (.cse33 (= (select .cse46 0) 48)) (.cse17 (<= 0 (+ .cse48 2147483648))) (.cse34 (= 110 (select .cse47 1))) (.cse35 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse36 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse37 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse45 (<= |ULTIMATE.start_main_~i~0#1| 715827882)) (.cse22 (not .cse7)) (.cse38 (= (select .cse46 1) 0)) (.cse18 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse39 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse40 (< 0 |#StackHeapBarrier|)) (.cse41 (= |#NULL.base| 0))) (or (and (let ((.cse10 (= |ULTIMATE.start_main_~i~0#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9 .cse10 .cse11 .cse19 .cse12 .cse20 .cse13 .cse14 .cse21 .cse16 .cse17 .cse22 .cse18))) .cse23 (<= 100000 ~MAX~0) .cse24 (< 1 ~SIZE~0) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 (<= ~MAX~0 100000) .cse40 .cse41) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse42 .cse6 .cse7 .cse43 .cse8 .cse9 .cse11 .cse12 .cse23 .cse24 .cse25 .cse26 .cse13 .cse27 .cse44 .cse28 .cse29 .cse14 .cse30 .cse15 .cse16 .cse31 .cse32 .cse33 .cse17 .cse34 .cse35 .cse36 .cse37 .cse45 .cse38 .cse18 .cse39 .cse40 .cse41) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse42 .cse6 .cse43 .cse8 .cse9 .cse11 .cse19 .cse12 .cse23 .cse24 .cse25 .cse26 .cse20 .cse13 .cse27 .cse44 .cse28 .cse29 .cse14 .cse30 .cse21 .cse16 .cse31 .cse32 .cse33 .cse17 .cse34 .cse35 .cse36 .cse37 .cse45 .cse22 .cse38 .cse18 .cse39 .cse40 .cse41))))) [2022-11-25 22:39:54,393 INFO L902 garLoopResultBuilder]: At program point L74(lines 22 75) the Hoare annotation is: true [2022-11-25 22:39:54,393 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-25 22:39:54,393 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-11-25 22:39:54,393 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2022-11-25 22:39:54,394 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-11-25 22:39:54,394 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-11-25 22:39:54,394 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 22:39:54,395 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-25 22:39:54,395 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-11-25 22:39:54,395 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 73) no Hoare annotation was computed. [2022-11-25 22:39:54,395 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2022-11-25 22:39:54,395 INFO L899 garLoopResultBuilder]: For program point L25-1(lines 25 73) no Hoare annotation was computed. [2022-11-25 22:39:54,395 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-25 22:39:54,396 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-25 22:39:54,396 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-25 22:39:54,396 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-25 22:39:54,396 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 66) no Hoare annotation was computed. [2022-11-25 22:39:54,397 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-11-25 22:39:54,397 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-11-25 22:39:54,397 INFO L899 garLoopResultBuilder]: For program point L51-2(line 51) no Hoare annotation was computed. [2022-11-25 22:39:54,397 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2022-11-25 22:39:54,397 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-25 22:39:54,397 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-25 22:39:54,401 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:54,403 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:39:54,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:39:54 BoogieIcfgContainer [2022-11-25 22:39:54,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:39:54,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:39:54,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:39:54,466 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:39:54,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:36:05" (3/4) ... [2022-11-25 22:39:54,470 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 22:39:54,476 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ReadFromPort [2022-11-25 22:39:54,483 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-25 22:39:54,483 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 22:39:54,483 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 22:39:54,483 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 22:39:54,484 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 22:39:54,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && \old(cond) == cond) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \old(cond) == (if (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0 then 1 else 0)) && (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && value <= 2147483647) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && 2 <= i) && i <= 715827883) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && 0 <= 2147483648 + value) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-25 22:39:54,517 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && i == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-25 22:39:54,552 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:39:54,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:39:54,552 INFO L158 Benchmark]: Toolchain (without parser) took 230281.44ms. Allocated memory was 178.3MB in the beginning and 650.1MB in the end (delta: 471.9MB). Free memory was 150.6MB in the beginning and 480.7MB in the end (delta: -330.1MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. [2022-11-25 22:39:54,553 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:39:54,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.93ms. Allocated memory is still 178.3MB. Free memory was 150.6MB in the beginning and 148.9MB in the end (delta: 1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 22:39:54,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.99ms. Allocated memory is still 178.3MB. Free memory was 148.9MB in the beginning and 146.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:39:54,556 INFO L158 Benchmark]: Boogie Preprocessor took 26.88ms. Allocated memory is still 178.3MB. Free memory was 146.9MB in the beginning and 144.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:39:54,557 INFO L158 Benchmark]: RCFGBuilder took 561.38ms. Allocated memory is still 178.3MB. Free memory was 144.9MB in the beginning and 126.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 22:39:54,559 INFO L158 Benchmark]: TraceAbstraction took 229263.75ms. Allocated memory was 178.3MB in the beginning and 650.1MB in the end (delta: 471.9MB). Free memory was 125.7MB in the beginning and 483.8MB in the end (delta: -358.1MB). Peak memory consumption was 384.5MB. Max. memory is 16.1GB. [2022-11-25 22:39:54,565 INFO L158 Benchmark]: Witness Printer took 86.67ms. Allocated memory is still 650.1MB. Free memory was 483.8MB in the beginning and 480.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:39:54,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.93ms. Allocated memory is still 178.3MB. Free memory was 150.6MB in the beginning and 148.9MB in the end (delta: 1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.99ms. Allocated memory is still 178.3MB. Free memory was 148.9MB in the beginning and 146.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.88ms. Allocated memory is still 178.3MB. Free memory was 146.9MB in the beginning and 144.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 561.38ms. Allocated memory is still 178.3MB. Free memory was 144.9MB in the beginning and 126.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 229263.75ms. Allocated memory was 178.3MB in the beginning and 650.1MB in the end (delta: 471.9MB). Free memory was 125.7MB in the beginning and 483.8MB in the end (delta: -358.1MB). Peak memory consumption was 384.5MB. Max. memory is 16.1GB. * Witness Printer took 86.67ms. Allocated memory is still 650.1MB. Free memory was 483.8MB in the beginning and 480.7MB 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: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 229.1s, OverallIterations: 16, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 78.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 66.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2439 SdHoareTripleChecker+Valid, 12.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2407 mSDsluCounter, 1510 SdHoareTripleChecker+Invalid, 11.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 895 mSDsCounter, 702 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8218 IncrementalHoareTripleChecker+Invalid, 8920 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 702 mSolverCounterUnsat, 615 mSDtfsCounter, 8218 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1641 GetRequests, 1051 SyntacticMatches, 103 SemanticMatches, 487 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10212 ImplicationChecksByTransitivity, 93.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=572occurred in iteration=15, InterpolantAutomatonStates: 262, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 993 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 74 PreInvPairs, 155 NumberOfFragments, 2660 HoareAnnotationTreeSize, 74 FomulaSimplifications, 29771 FormulaSimplificationTreeSizeReduction, 52.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 863031 FormulaSimplificationTreeSizeReductionInter, 14.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1125 NumberOfCodeBlocks, 1125 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1525 ConstructedInterpolants, 0 QuantifiedInterpolants, 2337 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1942 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 34 InterpolantComputations, 8 PerfectInterpolantSequences, 572/668 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 40.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 14, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 424, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 1220, TOOLS_POST_TIME: 14.7s, TOOLS_POST_CALL_APPLICATIONS: 283, TOOLS_POST_CALL_TIME: 18.7s, TOOLS_POST_RETURN_APPLICATIONS: 262, TOOLS_POST_RETURN_TIME: 2.8s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1765, TOOLS_QUANTIFIERELIM_TIME: 35.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.8s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 1946, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 239, DOMAIN_JOIN_TIME: 2.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 31, DOMAIN_WIDEN_TIME: 0.3s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 51, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 424, DOMAIN_ISBOTTOM_TIME: 0.7s, LOOP_SUMMARIZER_APPLICATIONS: 20, LOOP_SUMMARIZER_CACHE_MISSES: 20, LOOP_SUMMARIZER_OVERALL_TIME: 33.8s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 33.8s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 51, CALL_SUMMARIZER_APPLICATIONS: 262, CALL_SUMMARIZER_CACHE_MISSES: 7, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.2s, DAG_COMPRESSION_PROCESSED_NODES: 16261, DAG_COMPRESSION_RETAINED_NODES: 1080, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && i == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && \old(cond) == cond) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \old(cond) == (if (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0 then 1 else 0)) && (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && value <= 2147483647) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && 2 <= i) && i <= 715827883) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && 0 <= 2147483648 + value) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-25 22:39:54,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0a6b-d47a-42a1-895e-f069e35baeeb/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