./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/mbpr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/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_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/mbpr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/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_dbc70b67-5485-4a8d-ae0d-87782ab33d45/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 a50e57e46342104030586dde3ea26bc2e3984490f4fdef34fa383d24842d8980 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:02:39,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:02:39,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:02:39,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:02:39,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:02:39,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:02:39,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:02:39,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:02:40,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:02:40,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:02:40,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:02:40,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:02:40,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:02:40,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:02:40,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:02:40,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:02:40,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:02:40,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:02:40,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:02:40,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:02:40,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:02:40,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:02:40,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:02:40,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:02:40,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:02:40,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:02:40,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:02:40,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:02:40,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:02:40,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:02:40,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:02:40,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:02:40,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:02:40,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:02:40,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:02:40,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:02:40,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:02:40,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:02:40,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:02:40,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:02:40,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:02:40,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 01:02:40,114 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:02:40,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:02:40,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:02:40,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:02:40,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:02:40,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:02:40,117 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:02:40,117 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:02:40,118 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:02:40,118 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:02:40,119 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:02:40,120 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:02:40,120 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:02:40,120 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:02:40,120 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:02:40,121 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:02:40,121 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:02:40,121 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:02:40,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:02:40,122 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:02:40,123 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:02:40,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:02:40,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:02:40,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:02:40,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:02:40,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:02:40,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:02:40,125 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:02:40,125 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:02:40,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:02:40,126 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:02:40,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:02:40,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:02:40,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:02:40,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:02:40,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:02:40,127 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:02:40,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:02:40,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:02:40,128 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:02:40,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:02:40,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:02:40,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:02:40,129 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_dbc70b67-5485-4a8d-ae0d-87782ab33d45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50e57e46342104030586dde3ea26bc2e3984490f4fdef34fa383d24842d8980 [2022-11-26 01:02:40,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:02:40,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:02:40,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:02:40,580 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:02:40,581 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:02:40,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/array-tiling/mbpr3.c [2022-11-26 01:02:43,984 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:02:44,196 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:02:44,196 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/sv-benchmarks/c/array-tiling/mbpr3.c [2022-11-26 01:02:44,210 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/data/a06ba4e10/5c31971c7a8e45838041ac1636ed3cef/FLAGad4d09bdd [2022-11-26 01:02:44,235 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/data/a06ba4e10/5c31971c7a8e45838041ac1636ed3cef [2022-11-26 01:02:44,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:02:44,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:02:44,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:02:44,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:02:44,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:02:44,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da35d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44, skipping insertion in model container [2022-11-26 01:02:44,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:02:44,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:02:44,607 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_dbc70b67-5485-4a8d-ae0d-87782ab33d45/sv-benchmarks/c/array-tiling/mbpr3.c[396,409] [2022-11-26 01:02:44,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:02:44,682 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:02:44,710 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_dbc70b67-5485-4a8d-ae0d-87782ab33d45/sv-benchmarks/c/array-tiling/mbpr3.c[396,409] [2022-11-26 01:02:44,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:02:44,756 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:02:44,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44 WrapperNode [2022-11-26 01:02:44,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:02:44,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:02:44,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:02:44,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:02:44,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,845 INFO L138 Inliner]: procedures = 15, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 201 [2022-11-26 01:02:44,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:02:44,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:02:44,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:02:44,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:02:44,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,909 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:02:44,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:02:44,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:02:44,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:02:44,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:02:44,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:02:44,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:02:44,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:02:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:02:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:02:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:02:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:02:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:02:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:02:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:02:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:02:45,131 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:02:45,133 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:02:45,835 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:02:45,898 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:02:45,899 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-26 01:02:45,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:02:45 BoogieIcfgContainer [2022-11-26 01:02:45,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:02:45,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:02:45,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:02:45,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:02:45,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:02:44" (1/3) ... [2022-11-26 01:02:45,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f702e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:02:45, skipping insertion in model container [2022-11-26 01:02:45,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44" (2/3) ... [2022-11-26 01:02:45,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f702e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:02:45, skipping insertion in model container [2022-11-26 01:02:45,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:02:45" (3/3) ... [2022-11-26 01:02:45,915 INFO L112 eAbstractionObserver]: Analyzing ICFG mbpr3.c [2022-11-26 01:02:45,940 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:02:45,940 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2022-11-26 01:02:46,007 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:02:46,015 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;@4ac78454, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:02:46,016 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2022-11-26 01:02:46,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 188 states, 101 states have (on average 1.9702970297029703) internal successors, (199), 187 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:46,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 01:02:46,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:46,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 01:02:46,030 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:02:46,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:46,037 INFO L85 PathProgramCache]: Analyzing trace with hash 9576913, now seen corresponding path program 1 times [2022-11-26 01:02:46,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:46,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870507064] [2022-11-26 01:02:46,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:46,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:46,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:46,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:46,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870507064] [2022-11-26 01:02:46,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870507064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:46,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:46,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:46,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94257174] [2022-11-26 01:02:46,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:46,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:02:46,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:46,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:02:46,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:02:46,770 INFO L87 Difference]: Start difference. First operand has 188 states, 101 states have (on average 1.9702970297029703) internal successors, (199), 187 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 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) [2022-11-26 01:02:46,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:46,907 INFO L93 Difference]: Finished difference Result 318 states and 335 transitions. [2022-11-26 01:02:46,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:02:46,910 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 [2022-11-26 01:02:46,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:46,922 INFO L225 Difference]: With dead ends: 318 [2022-11-26 01:02:46,922 INFO L226 Difference]: Without dead ends: 182 [2022-11-26 01:02:46,926 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 [2022-11-26 01:02:46,930 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 190 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:46,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 172 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:02:46,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-26 01:02:47,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-11-26 01:02:47,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 99 states have (on average 1.898989898989899) internal successors, (188), 181 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:47,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 188 transitions. [2022-11-26 01:02:47,027 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 188 transitions. Word has length 4 [2022-11-26 01:02:47,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:47,027 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 188 transitions. [2022-11-26 01:02:47,029 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) [2022-11-26 01:02:47,029 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 188 transitions. [2022-11-26 01:02:47,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-26 01:02:47,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:47,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-26 01:02:47,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:02:47,032 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:02:47,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:47,035 INFO L85 PathProgramCache]: Analyzing trace with hash 296884357, now seen corresponding path program 1 times [2022-11-26 01:02:47,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:47,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682591575] [2022-11-26 01:02:47,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:47,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:47,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:47,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682591575] [2022-11-26 01:02:47,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682591575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:47,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:47,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:47,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671974522] [2022-11-26 01:02:47,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:47,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:02:47,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:47,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:02:47,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:02:47,392 INFO L87 Difference]: Start difference. First operand 182 states and 188 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) [2022-11-26 01:02:47,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:47,515 INFO L93 Difference]: Finished difference Result 182 states and 188 transitions. [2022-11-26 01:02:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:02:47,516 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 [2022-11-26 01:02:47,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:47,517 INFO L225 Difference]: With dead ends: 182 [2022-11-26 01:02:47,517 INFO L226 Difference]: Without dead ends: 179 [2022-11-26 01:02:47,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:02:47,520 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 545 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:47,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 166 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:02:47,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-11-26 01:02:47,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2022-11-26 01:02:47,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 99 states have (on average 1.8686868686868687) internal successors, (185), 178 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:47,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 185 transitions. [2022-11-26 01:02:47,543 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 185 transitions. Word has length 5 [2022-11-26 01:02:47,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:47,543 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 185 transitions. [2022-11-26 01:02:47,548 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) [2022-11-26 01:02:47,548 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 185 transitions. [2022-11-26 01:02:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 01:02:47,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:47,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:02:47,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:02:47,549 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:02:47,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:47,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1144275608, now seen corresponding path program 1 times [2022-11-26 01:02:47,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:47,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570229850] [2022-11-26 01:02:47,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:47,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:47,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:47,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:47,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570229850] [2022-11-26 01:02:47,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570229850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:47,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:47,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:02:47,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301438183] [2022-11-26 01:02:47,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:47,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:02:47,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:47,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:02:47,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:47,619 INFO L87 Difference]: Start difference. First operand 179 states and 185 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:48,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:48,179 INFO L93 Difference]: Finished difference Result 350 states and 362 transitions. [2022-11-26 01:02:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:02:48,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-26 01:02:48,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:48,181 INFO L225 Difference]: With dead ends: 350 [2022-11-26 01:02:48,194 INFO L226 Difference]: Without dead ends: 278 [2022-11-26 01:02:48,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:48,197 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 95 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:48,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 128 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 01:02:48,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2022-11-26 01:02:48,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 263. [2022-11-26 01:02:48,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 183 states have (on average 1.5027322404371584) internal successors, (275), 262 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 275 transitions. [2022-11-26 01:02:48,220 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 275 transitions. Word has length 8 [2022-11-26 01:02:48,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:48,221 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 275 transitions. [2022-11-26 01:02:48,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 275 transitions. [2022-11-26 01:02:48,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-26 01:02:48,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:48,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:02:48,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 01:02:48,223 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:02:48,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:48,224 INFO L85 PathProgramCache]: Analyzing trace with hash 2014590800, now seen corresponding path program 1 times [2022-11-26 01:02:48,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:48,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712562004] [2022-11-26 01:02:48,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:48,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:48,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:48,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712562004] [2022-11-26 01:02:48,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712562004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:48,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:48,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:48,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182540986] [2022-11-26 01:02:48,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:48,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:02:48,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:48,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:02:48,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:02:48,415 INFO L87 Difference]: Start difference. First operand 263 states and 275 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:48,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:48,682 INFO L93 Difference]: Finished difference Result 268 states and 280 transitions. [2022-11-26 01:02:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:02:48,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2022-11-26 01:02:48,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:48,685 INFO L225 Difference]: With dead ends: 268 [2022-11-26 01:02:48,685 INFO L226 Difference]: Without dead ends: 266 [2022-11-26 01:02:48,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:02:48,687 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 3 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:48,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 376 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:02:48,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-11-26 01:02:48,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-11-26 01:02:48,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 186 states have (on average 1.4946236559139785) internal successors, (278), 265 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 278 transitions. [2022-11-26 01:02:48,705 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 278 transitions. Word has length 17 [2022-11-26 01:02:48,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:48,706 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 278 transitions. [2022-11-26 01:02:48,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 278 transitions. [2022-11-26 01:02:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 01:02:48,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:48,708 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:02:48,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 01:02:48,708 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:02:48,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:48,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1198167742, now seen corresponding path program 1 times [2022-11-26 01:02:48,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:48,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388969721] [2022-11-26 01:02:48,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:48,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:49,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:02:49,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:49,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388969721] [2022-11-26 01:02:49,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388969721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:49,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:49,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:02:49,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926597763] [2022-11-26 01:02:49,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:49,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:02:49,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:49,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:02:49,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:02:49,144 INFO L87 Difference]: Start difference. First operand 266 states and 278 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:49,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:49,528 INFO L93 Difference]: Finished difference Result 449 states and 469 transitions. [2022-11-26 01:02:49,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:02:49,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-26 01:02:49,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:49,531 INFO L225 Difference]: With dead ends: 449 [2022-11-26 01:02:49,531 INFO L226 Difference]: Without dead ends: 270 [2022-11-26 01:02:49,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:02:49,533 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 243 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:49,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 162 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:02:49,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-11-26 01:02:49,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 266. [2022-11-26 01:02:49,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 186 states have (on average 1.489247311827957) internal successors, (277), 265 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:49,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 277 transitions. [2022-11-26 01:02:49,548 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 277 transitions. Word has length 20 [2022-11-26 01:02:49,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:49,548 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 277 transitions. [2022-11-26 01:02:49,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:49,549 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 277 transitions. [2022-11-26 01:02:49,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-26 01:02:49,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:49,550 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:02:49,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 01:02:49,550 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:02:49,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:49,551 INFO L85 PathProgramCache]: Analyzing trace with hash -94371960, now seen corresponding path program 1 times [2022-11-26 01:02:49,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:49,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621746936] [2022-11-26 01:02:49,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:49,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:49,625 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:49,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621746936] [2022-11-26 01:02:49,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621746936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:49,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:49,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:49,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502917868] [2022-11-26 01:02:49,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:49,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:02:49,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:49,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:02:49,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:02:49,628 INFO L87 Difference]: Start difference. First operand 266 states and 277 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:50,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:50,012 INFO L93 Difference]: Finished difference Result 280 states and 291 transitions. [2022-11-26 01:02:50,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:02:50,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2022-11-26 01:02:50,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:50,014 INFO L225 Difference]: With dead ends: 280 [2022-11-26 01:02:50,014 INFO L226 Difference]: Without dead ends: 278 [2022-11-26 01:02:50,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:02:50,016 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 74 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:50,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 228 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:02:50,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2022-11-26 01:02:50,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 268. [2022-11-26 01:02:50,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 188 states have (on average 1.4840425531914894) internal successors, (279), 267 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:50,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 279 transitions. [2022-11-26 01:02:50,030 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 279 transitions. Word has length 28 [2022-11-26 01:02:50,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:50,031 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 279 transitions. [2022-11-26 01:02:50,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:50,032 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 279 transitions. [2022-11-26 01:02:50,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-26 01:02:50,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:50,033 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-26 01:02:50,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 01:02:50,033 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:02:50,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:50,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1266998548, now seen corresponding path program 1 times [2022-11-26 01:02:50,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:50,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24709976] [2022-11-26 01:02:50,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:50,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:50,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:50,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:50,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24709976] [2022-11-26 01:02:50,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24709976] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:02:50,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975015367] [2022-11-26 01:02:50,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:50,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:02:50,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:02:50,157 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:02:50,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:02:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:50,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:02:50,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:50,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:50,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:02:50,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975015367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:50,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:02:50,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-26 01:02:50,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877557914] [2022-11-26 01:02:50,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:50,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:02:50,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:50,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:02:50,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:02:50,461 INFO L87 Difference]: Start difference. First operand 268 states and 279 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:50,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:50,927 INFO L93 Difference]: Finished difference Result 278 states and 289 transitions. [2022-11-26 01:02:50,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:02:50,928 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), 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 34 [2022-11-26 01:02:50,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:50,930 INFO L225 Difference]: With dead ends: 278 [2022-11-26 01:02:50,930 INFO L226 Difference]: Without dead ends: 265 [2022-11-26 01:02:50,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-26 01:02:50,933 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 114 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:50,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 198 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:02:50,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-11-26 01:02:50,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 255. [2022-11-26 01:02:50,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 188 states have (on average 1.4148936170212767) internal successors, (266), 254 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:50,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 266 transitions. [2022-11-26 01:02:50,947 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 266 transitions. Word has length 34 [2022-11-26 01:02:50,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:50,947 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 266 transitions. [2022-11-26 01:02:50,948 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 266 transitions. [2022-11-26 01:02:50,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-26 01:02:50,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:50,956 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-26 01:02:50,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 01:02:51,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-26 01:02:51,163 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:02:51,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:51,163 INFO L85 PathProgramCache]: Analyzing trace with hash -622249258, now seen corresponding path program 1 times [2022-11-26 01:02:51,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:51,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722659008] [2022-11-26 01:02:51,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:51,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:51,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:51,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722659008] [2022-11-26 01:02:51,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722659008] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:02:51,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743267653] [2022-11-26 01:02:51,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:51,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:02:51,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:02:51,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:02:51,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 01:02:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:51,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:02:51,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:51,477 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:51,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:02:51,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:51,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743267653] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:02:51,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1648285536] [2022-11-26 01:02:51,610 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2022-11-26 01:02:51,610 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:02:51,615 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:02:51,621 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:02:51,622 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:02:51,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:51,837 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:02:51,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 01:02:51,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:51,870 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 [2022-11-26 01:02:52,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-11-26 01:02:52,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:02:52,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:02:52,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 128 [2022-11-26 01:02:53,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,010 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 120 treesize of output 143 [2022-11-26 01:02:53,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,447 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-11-26 01:02:53,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 53 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 30 case distinctions, treesize of input 661 treesize of output 635 [2022-11-26 01:02:54,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,337 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-11-26 01:02:54,338 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 20 case distinctions, treesize of input 506 treesize of output 489 [2022-11-26 01:02:54,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:54,984 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-11-26 01:02:54,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 64 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 40 case distinctions, treesize of input 527 treesize of output 504 [2022-11-26 01:02:55,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:02:55,676 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 [2022-11-26 01:02:55,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:02:55,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:02:56,238 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 [2022-11-26 01:02:56,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:56,736 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-11-26 01:02:56,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 400 treesize of output 411 [2022-11-26 01:02:57,129 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:03:00,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1648285536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:00,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:03:00,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4, 4, 4] total 17 [2022-11-26 01:03:00,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188509144] [2022-11-26 01:03:00,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:00,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 01:03:00,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:00,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 01:03:00,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-11-26 01:03:00,178 INFO L87 Difference]: Start difference. First operand 255 states and 266 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:03,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:03,127 INFO L93 Difference]: Finished difference Result 488 states and 522 transitions. [2022-11-26 01:03:03,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 01:03:03,128 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 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 35 [2022-11-26 01:03:03,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:03,130 INFO L225 Difference]: With dead ends: 488 [2022-11-26 01:03:03,130 INFO L226 Difference]: Without dead ends: 244 [2022-11-26 01:03:03,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 66 SyntacticMatches, 25 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2022-11-26 01:03:03,132 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 267 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:03,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 88 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 01:03:03,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-11-26 01:03:03,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 187. [2022-11-26 01:03:03,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 141 states have (on average 1.3617021276595744) internal successors, (192), 186 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:03,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 192 transitions. [2022-11-26 01:03:03,146 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 192 transitions. Word has length 35 [2022-11-26 01:03:03,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:03,147 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 192 transitions. [2022-11-26 01:03:03,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:03,147 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 192 transitions. [2022-11-26 01:03:03,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-26 01:03:03,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:03,149 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:03,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:03:03,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:03,359 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:03:03,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:03,360 INFO L85 PathProgramCache]: Analyzing trace with hash -662017130, now seen corresponding path program 1 times [2022-11-26 01:03:03,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:03,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669453080] [2022-11-26 01:03:03,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:03,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:03:03,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:03,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669453080] [2022-11-26 01:03:03,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669453080] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:03:03,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141471196] [2022-11-26 01:03:03,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:03,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:03,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:03:03,547 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:03:03,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 01:03:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:03,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:03:03,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:03:03,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:03:03,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:03:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:03:04,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141471196] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:03:04,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [39008716] [2022-11-26 01:03:04,054 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2022-11-26 01:03:04,055 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:03:04,057 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:03:04,057 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:03:04,057 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:03:04,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,162 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:03:04,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 01:03:04,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,182 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 [2022-11-26 01:03:04,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-11-26 01:03:04,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:03:04,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:03:04,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-11-26 01:03:04,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,919 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 115 treesize of output 138 [2022-11-26 01:03:05,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:05,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,223 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:03:05,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 654 treesize of output 628 [2022-11-26 01:03:05,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:05,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,894 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:03:05,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 522 treesize of output 505 [2022-11-26 01:03:06,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:06,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,430 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:03:06,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 41 case distinctions, treesize of input 543 treesize of output 520 [2022-11-26 01:03:06,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:07,039 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 [2022-11-26 01:03:07,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:03:07,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:08,358 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 [2022-11-26 01:03:08,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,825 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-11-26 01:03:08,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 400 treesize of output 411 [2022-11-26 01:03:09,121 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:03:12,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [39008716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:12,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:03:12,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5, 5, 5] total 21 [2022-11-26 01:03:12,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327614590] [2022-11-26 01:03:12,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:12,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-26 01:03:12,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:12,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-26 01:03:12,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2022-11-26 01:03:12,680 INFO L87 Difference]: Start difference. First operand 187 states and 192 transitions. Second operand has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:19,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:19,293 INFO L93 Difference]: Finished difference Result 308 states and 317 transitions. [2022-11-26 01:03:19,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-26 01:03:19,293 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 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 46 [2022-11-26 01:03:19,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:19,295 INFO L225 Difference]: With dead ends: 308 [2022-11-26 01:03:19,295 INFO L226 Difference]: Without dead ends: 230 [2022-11-26 01:03:19,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 91 SyntacticMatches, 32 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=335, Invalid=997, Unknown=0, NotChecked=0, Total=1332 [2022-11-26 01:03:19,296 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 531 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:19,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 101 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 01:03:19,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-11-26 01:03:19,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 198. [2022-11-26 01:03:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 152 states have (on average 1.3421052631578947) internal successors, (204), 197 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 204 transitions. [2022-11-26 01:03:19,315 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 204 transitions. Word has length 46 [2022-11-26 01:03:19,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:19,316 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 204 transitions. [2022-11-26 01:03:19,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 204 transitions. [2022-11-26 01:03:19,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-26 01:03:19,317 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:19,317 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:19,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 01:03:19,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-26 01:03:19,523 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:03:19,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:19,523 INFO L85 PathProgramCache]: Analyzing trace with hash 952305755, now seen corresponding path program 1 times [2022-11-26 01:03:19,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:19,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029709661] [2022-11-26 01:03:19,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:19,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:03:19,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:19,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029709661] [2022-11-26 01:03:19,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029709661] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:03:19,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906149169] [2022-11-26 01:03:19,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:19,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:19,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:03:19,663 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:03:19,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 01:03:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:19,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:03:19,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:03:19,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:03:19,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:03:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:03:20,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906149169] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:03:20,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1389829462] [2022-11-26 01:03:20,088 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2022-11-26 01:03:20,088 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:03:20,089 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:03:20,089 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:03:20,089 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:03:20,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,166 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:03:20,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 01:03:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,182 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 [2022-11-26 01:03:20,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-11-26 01:03:20,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:03:20,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:03:20,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-11-26 01:03:20,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,784 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 115 treesize of output 138 [2022-11-26 01:03:20,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:20,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:20,999 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:03:21,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 654 treesize of output 628 [2022-11-26 01:03:21,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:21,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,459 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:03:21,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 522 treesize of output 505 [2022-11-26 01:03:21,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:21,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:21,832 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:03:21,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 41 case distinctions, treesize of input 543 treesize of output 520 [2022-11-26 01:03:22,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:22,207 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 [2022-11-26 01:03:22,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:03:22,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:23,267 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 [2022-11-26 01:03:23,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:23,554 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-11-26 01:03:23,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 400 treesize of output 411 [2022-11-26 01:03:23,763 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:03:28,004 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6314#(and (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (< 2147483646 |ULTIMATE.start_main_#t~post14#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-26 01:03:28,005 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 01:03:28,005 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:03:28,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-26 01:03:28,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985812860] [2022-11-26 01:03:28,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 01:03:28,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 01:03:28,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:28,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 01:03:28,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2022-11-26 01:03:28,007 INFO L87 Difference]: Start difference. First operand 198 states and 204 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:28,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:28,787 INFO L93 Difference]: Finished difference Result 242 states and 249 transitions. [2022-11-26 01:03:28,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 01:03:28,788 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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 47 [2022-11-26 01:03:28,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:28,789 INFO L225 Difference]: With dead ends: 242 [2022-11-26 01:03:28,789 INFO L226 Difference]: Without dead ends: 222 [2022-11-26 01:03:28,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 94 SyntacticMatches, 30 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2022-11-26 01:03:28,791 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 600 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:28,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 98 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 01:03:28,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-11-26 01:03:28,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 190. [2022-11-26 01:03:28,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 144 states have (on average 1.3472222222222223) internal successors, (194), 189 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:28,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 194 transitions. [2022-11-26 01:03:28,807 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 194 transitions. Word has length 47 [2022-11-26 01:03:28,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:28,807 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 194 transitions. [2022-11-26 01:03:28,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:28,808 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 194 transitions. [2022-11-26 01:03:28,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-26 01:03:28,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:28,809 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:28,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 01:03:29,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-26 01:03:29,022 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:03:29,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:29,023 INFO L85 PathProgramCache]: Analyzing trace with hash 750237041, now seen corresponding path program 1 times [2022-11-26 01:03:29,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:29,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095905758] [2022-11-26 01:03:29,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:29,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:29,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:03:29,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:29,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095905758] [2022-11-26 01:03:29,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095905758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:29,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:29,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:03:29,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129087571] [2022-11-26 01:03:29,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:29,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:03:29,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:29,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:03:29,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:03:29,170 INFO L87 Difference]: Start difference. First operand 190 states and 194 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:29,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:29,476 INFO L93 Difference]: Finished difference Result 221 states and 225 transitions. [2022-11-26 01:03:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:03:29,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-11-26 01:03:29,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:29,478 INFO L225 Difference]: With dead ends: 221 [2022-11-26 01:03:29,478 INFO L226 Difference]: Without dead ends: 219 [2022-11-26 01:03:29,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:03:29,479 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 55 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:29,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 153 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:03:29,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-11-26 01:03:29,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 192. [2022-11-26 01:03:29,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 146 states have (on average 1.3424657534246576) internal successors, (196), 191 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 196 transitions. [2022-11-26 01:03:29,494 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 196 transitions. Word has length 58 [2022-11-26 01:03:29,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:29,494 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 196 transitions. [2022-11-26 01:03:29,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:29,495 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 196 transitions. [2022-11-26 01:03:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-26 01:03:29,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:29,499 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:29,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 01:03:29,499 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:03:29,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:29,500 INFO L85 PathProgramCache]: Analyzing trace with hash -49937771, now seen corresponding path program 1 times [2022-11-26 01:03:29,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:29,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586802446] [2022-11-26 01:03:29,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:29,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:29,658 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:03:29,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:29,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586802446] [2022-11-26 01:03:29,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586802446] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:03:29,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448573249] [2022-11-26 01:03:29,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:29,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:29,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:03:29,661 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:03:29,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 01:03:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:29,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:03:29,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:03:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:03:29,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:03:29,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448573249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:29,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:03:29,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-26 01:03:29,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167308862] [2022-11-26 01:03:29,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:29,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:03:29,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:29,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:03:29,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:03:29,843 INFO L87 Difference]: Start difference. First operand 192 states and 196 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:30,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:30,180 INFO L93 Difference]: Finished difference Result 219 states and 223 transitions. [2022-11-26 01:03:30,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:03:30,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 64 [2022-11-26 01:03:30,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:30,182 INFO L225 Difference]: With dead ends: 219 [2022-11-26 01:03:30,183 INFO L226 Difference]: Without dead ends: 208 [2022-11-26 01:03:30,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-26 01:03:30,184 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 100 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:30,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 122 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:03:30,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-26 01:03:30,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 181. [2022-11-26 01:03:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 180 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:30,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 185 transitions. [2022-11-26 01:03:30,198 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 185 transitions. Word has length 64 [2022-11-26 01:03:30,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:30,199 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 185 transitions. [2022-11-26 01:03:30,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:30,199 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 185 transitions. [2022-11-26 01:03:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 01:03:30,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:30,200 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:30,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-26 01:03:30,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-26 01:03:30,407 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:03:30,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:30,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1548070759, now seen corresponding path program 1 times [2022-11-26 01:03:30,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:30,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113180281] [2022-11-26 01:03:30,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:30,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:03:30,522 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:30,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113180281] [2022-11-26 01:03:30,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113180281] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:03:30,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558402981] [2022-11-26 01:03:30,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:30,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:30,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:03:30,524 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:03:30,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 01:03:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:30,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:03:30,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:03:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:03:30,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:03:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:03:30,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558402981] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:03:30,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [982413627] [2022-11-26 01:03:30,777 INFO L159 IcfgInterpreter]: Started Sifa with 57 locations of interest [2022-11-26 01:03:30,777 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:03:30,777 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:03:30,778 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:03:30,778 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:03:30,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:30,870 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:03:30,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 01:03:30,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:30,885 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 [2022-11-26 01:03:30,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:30,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-11-26 01:03:31,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:03:31,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:03:31,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-11-26 01:03:31,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,409 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 115 treesize of output 138 [2022-11-26 01:03:31,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:31,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:31,638 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:03:31,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 654 treesize of output 628 [2022-11-26 01:03:32,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:32,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,173 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:03:32,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 522 treesize of output 505 [2022-11-26 01:03:32,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:32,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:32,518 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:03:32,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 41 case distinctions, treesize of input 543 treesize of output 520 [2022-11-26 01:03:32,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:33,008 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 [2022-11-26 01:03:33,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:03:33,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:33,636 INFO L321 Elim1Store]: treesize reduction 316, result has 19.2 percent of original size [2022-11-26 01:03:33,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 340 treesize of output 370 [2022-11-26 01:03:34,014 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-11-26 01:03:34,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 361 treesize of output 381 [2022-11-26 01:03:34,361 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-11-26 01:03:34,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 361 treesize of output 381 [2022-11-26 01:03:34,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:34,473 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 26 treesize of output 25 [2022-11-26 01:03:34,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:34,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:34,670 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 [2022-11-26 01:03:34,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:34,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:34,928 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 [2022-11-26 01:03:34,967 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 [2022-11-26 01:03:35,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:35,323 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-11-26 01:03:35,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 452 treesize of output 463 [2022-11-26 01:03:35,513 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:03:39,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [982413627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:39,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:03:39,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4, 4, 4] total 20 [2022-11-26 01:03:39,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147866534] [2022-11-26 01:03:39,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:39,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 01:03:39,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:39,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 01:03:39,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2022-11-26 01:03:39,306 INFO L87 Difference]: Start difference. First operand 181 states and 185 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:43,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:43,379 INFO L93 Difference]: Finished difference Result 185 states and 189 transitions. [2022-11-26 01:03:43,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 01:03:43,380 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 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 65 [2022-11-26 01:03:43,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:43,381 INFO L225 Difference]: With dead ends: 185 [2022-11-26 01:03:43,381 INFO L226 Difference]: Without dead ends: 174 [2022-11-26 01:03:43,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 125 SyntacticMatches, 53 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 811 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=171, Invalid=641, Unknown=0, NotChecked=0, Total=812 [2022-11-26 01:03:43,382 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 347 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:43,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 67 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 01:03:43,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-11-26 01:03:43,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 147. [2022-11-26 01:03:43,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 123 states have (on average 1.2276422764227641) internal successors, (151), 146 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:43,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 151 transitions. [2022-11-26 01:03:43,396 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 151 transitions. Word has length 65 [2022-11-26 01:03:43,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:43,396 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 151 transitions. [2022-11-26 01:03:43,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:43,396 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 151 transitions. [2022-11-26 01:03:43,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-26 01:03:43,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:43,398 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:43,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 01:03:43,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:43,599 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:03:43,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:43,599 INFO L85 PathProgramCache]: Analyzing trace with hash 233306687, now seen corresponding path program 1 times [2022-11-26 01:03:43,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:43,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504885253] [2022-11-26 01:03:43,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:43,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 01:03:43,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:43,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504885253] [2022-11-26 01:03:43,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504885253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:43,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:43,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:03:43,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584600133] [2022-11-26 01:03:43,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:43,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:03:43,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:43,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:03:43,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:03:43,796 INFO L87 Difference]: Start difference. First operand 147 states and 151 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:44,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:44,068 INFO L93 Difference]: Finished difference Result 197 states and 201 transitions. [2022-11-26 01:03:44,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:03:44,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 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 88 [2022-11-26 01:03:44,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:44,070 INFO L225 Difference]: With dead ends: 197 [2022-11-26 01:03:44,071 INFO L226 Difference]: Without dead ends: 195 [2022-11-26 01:03:44,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:03:44,072 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 53 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:44,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 107 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:03:44,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-11-26 01:03:44,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 149. [2022-11-26 01:03:44,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 125 states have (on average 1.224) internal successors, (153), 148 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:44,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 153 transitions. [2022-11-26 01:03:44,088 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 153 transitions. Word has length 88 [2022-11-26 01:03:44,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:44,089 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 153 transitions. [2022-11-26 01:03:44,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 153 transitions. [2022-11-26 01:03:44,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-26 01:03:44,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:44,094 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:44,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 01:03:44,094 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:03:44,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:44,095 INFO L85 PathProgramCache]: Analyzing trace with hash 2033840803, now seen corresponding path program 1 times [2022-11-26 01:03:44,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:44,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782113970] [2022-11-26 01:03:44,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:44,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:44,291 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 01:03:44,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:44,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782113970] [2022-11-26 01:03:44,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782113970] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:03:44,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169415258] [2022-11-26 01:03:44,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:44,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:44,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:03:44,294 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:03:44,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 01:03:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:44,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:03:44,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:03:44,491 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 01:03:44,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:03:44,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169415258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:44,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:03:44,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-26 01:03:44,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473436608] [2022-11-26 01:03:44,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:44,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:03:44,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:44,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:03:44,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:03:44,494 INFO L87 Difference]: Start difference. First operand 149 states and 153 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:44,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:44,828 INFO L93 Difference]: Finished difference Result 195 states and 199 transitions. [2022-11-26 01:03:44,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:03:44,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 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 94 [2022-11-26 01:03:44,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:44,830 INFO L225 Difference]: With dead ends: 195 [2022-11-26 01:03:44,830 INFO L226 Difference]: Without dead ends: 184 [2022-11-26 01:03:44,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-26 01:03:44,831 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 86 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:44,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 77 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:03:44,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-11-26 01:03:44,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 138. [2022-11-26 01:03:44,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 125 states have (on average 1.136) internal successors, (142), 137 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:44,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions. [2022-11-26 01:03:44,850 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 94 [2022-11-26 01:03:44,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:44,851 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions. [2022-11-26 01:03:44,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2022-11-26 01:03:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-26 01:03:44,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:44,853 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:44,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-26 01:03:45,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-26 01:03:45,060 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:03:45,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:45,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1375444319, now seen corresponding path program 1 times [2022-11-26 01:03:45,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:45,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732902718] [2022-11-26 01:03:45,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:45,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:45,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 01:03:45,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:45,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732902718] [2022-11-26 01:03:45,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732902718] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:03:45,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444115493] [2022-11-26 01:03:45,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:45,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:45,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:03:45,237 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:03:45,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-26 01:03:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:45,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:03:45,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:03:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 01:03:45,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:03:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 01:03:45,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444115493] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:03:45,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1384268504] [2022-11-26 01:03:45,535 INFO L159 IcfgInterpreter]: Started Sifa with 84 locations of interest [2022-11-26 01:03:45,535 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:03:45,536 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:03:45,536 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:03:45,536 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:03:45,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:45,769 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:03:45,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 01:03:45,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:45,785 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 [2022-11-26 01:03:45,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:45,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-11-26 01:03:46,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:03:46,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:03:46,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 128 [2022-11-26 01:03:46,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,507 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 120 treesize of output 143 [2022-11-26 01:03:46,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:46,764 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-11-26 01:03:46,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 53 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 30 case distinctions, treesize of input 661 treesize of output 635 [2022-11-26 01:03:47,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,256 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-11-26 01:03:47,257 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 20 case distinctions, treesize of input 506 treesize of output 489 [2022-11-26 01:03:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:47,655 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-11-26 01:03:47,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 64 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 40 case distinctions, treesize of input 527 treesize of output 504 [2022-11-26 01:03:47,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:48,094 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 [2022-11-26 01:03:48,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:03:48,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:48,649 INFO L321 Elim1Store]: treesize reduction 316, result has 19.2 percent of original size [2022-11-26 01:03:48,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 340 treesize of output 370 [2022-11-26 01:03:48,991 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-11-26 01:03:48,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 361 treesize of output 381 [2022-11-26 01:03:49,295 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-11-26 01:03:49,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 361 treesize of output 381 [2022-11-26 01:03:49,694 INFO L321 Elim1Store]: treesize reduction 480, result has 12.9 percent of original size [2022-11-26 01:03:49,694 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 20 case distinctions, treesize of input 352 treesize of output 381 [2022-11-26 01:03:49,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:49,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:49,828 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 [2022-11-26 01:03:49,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:49,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:03:50,037 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 [2022-11-26 01:03:50,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:03:50,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:03:50,280 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 [2022-11-26 01:03:50,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:03:50,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:03:50,499 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 [2022-11-26 01:03:50,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:03:50,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:03:50,715 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 [2022-11-26 01:03:50,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:03:50,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:03:51,051 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 [2022-11-26 01:03:51,107 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 [2022-11-26 01:03:51,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:51,447 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-11-26 01:03:51,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 452 treesize of output 463 [2022-11-26 01:03:51,779 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:03:57,527 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10214#(and (not (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start_main_~i~0#1| 715827883) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-26 01:03:57,527 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 01:03:57,527 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:03:57,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-26 01:03:57,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487056738] [2022-11-26 01:03:57,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 01:03:57,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 01:03:57,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:57,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 01:03:57,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2022-11-26 01:03:57,530 INFO L87 Difference]: Start difference. First operand 138 states and 142 transitions. Second operand has 10 states, 9 states have (on average 16.77777777777778) internal successors, (151), 10 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:57,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:57,932 INFO L93 Difference]: Finished difference Result 220 states and 236 transitions. [2022-11-26 01:03:57,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 01:03:57,933 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 16.77777777777778) internal successors, (151), 10 states have internal predecessors, (151), 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 95 [2022-11-26 01:03:57,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:57,934 INFO L225 Difference]: With dead ends: 220 [2022-11-26 01:03:57,935 INFO L226 Difference]: Without dead ends: 209 [2022-11-26 01:03:57,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 187 SyntacticMatches, 78 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1375 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2022-11-26 01:03:57,936 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 194 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:57,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 109 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:03:57,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2022-11-26 01:03:57,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 161. [2022-11-26 01:03:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 157 states have (on average 1.0636942675159236) internal successors, (167), 160 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:57,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 167 transitions. [2022-11-26 01:03:57,953 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 167 transitions. Word has length 95 [2022-11-26 01:03:57,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:57,953 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 167 transitions. [2022-11-26 01:03:57,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 16.77777777777778) internal successors, (151), 10 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:57,954 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 167 transitions. [2022-11-26 01:03:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-26 01:03:57,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:57,955 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:57,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-26 01:03:58,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-26 01:03:58,162 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:03:58,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:58,164 INFO L85 PathProgramCache]: Analyzing trace with hash -2086345795, now seen corresponding path program 1 times [2022-11-26 01:03:58,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:58,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443930744] [2022-11-26 01:03:58,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:58,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:58,364 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 01:03:58,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:58,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443930744] [2022-11-26 01:03:58,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443930744] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:03:58,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264195762] [2022-11-26 01:03:58,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:58,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:58,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:03:58,367 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:03:58,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-26 01:03:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:58,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:03:58,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:03:58,518 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 01:03:58,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:03:58,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264195762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:58,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:03:58,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-26 01:03:58,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302667208] [2022-11-26 01:03:58,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:58,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:03:58,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:58,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:03:58,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:03:58,521 INFO L87 Difference]: Start difference. First operand 161 states and 167 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:58,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:58,832 INFO L93 Difference]: Finished difference Result 207 states and 213 transitions. [2022-11-26 01:03:58,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:03:58,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 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 98 [2022-11-26 01:03:58,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:58,834 INFO L225 Difference]: With dead ends: 207 [2022-11-26 01:03:58,835 INFO L226 Difference]: Without dead ends: 206 [2022-11-26 01:03:58,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-26 01:03:58,835 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 82 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:58,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 98 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:03:58,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-11-26 01:03:58,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 160. [2022-11-26 01:03:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 157 states have (on average 1.0509554140127388) internal successors, (165), 159 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:58,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2022-11-26 01:03:58,852 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 98 [2022-11-26 01:03:58,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:58,852 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2022-11-26 01:03:58,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:03:58,853 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2022-11-26 01:03:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-26 01:03:58,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:58,854 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:58,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-26 01:03:59,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:59,067 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:03:59,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:59,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1686999524, now seen corresponding path program 1 times [2022-11-26 01:03:59,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:59,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505588047] [2022-11-26 01:03:59,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:59,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 01:03:59,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:59,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505588047] [2022-11-26 01:03:59,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505588047] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:03:59,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139920435] [2022-11-26 01:03:59,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:59,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:59,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:03:59,304 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:03:59,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-26 01:03:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:59,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 01:03:59,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:03:59,472 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 01:03:59,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:03:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 01:03:59,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139920435] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:03:59,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [59414955] [2022-11-26 01:03:59,561 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2022-11-26 01:03:59,561 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:03:59,562 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:03:59,562 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:03:59,562 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:03:59,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:59,771 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-26 01:03:59,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-11-26 01:03:59,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:59,822 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:03:59,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 01:03:59,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:59,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-11-26 01:04:00,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:04:00,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:04:00,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-11-26 01:04:00,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,334 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 115 treesize of output 138 [2022-11-26 01:04:00,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:04:00,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:00,544 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:04:00,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 654 treesize of output 628 [2022-11-26 01:04:01,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:04:01,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,048 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:04:01,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 522 treesize of output 505 [2022-11-26 01:04:01,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:04:01,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:01,517 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:04:01,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 41 case distinctions, treesize of input 543 treesize of output 520 [2022-11-26 01:04:01,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:02,083 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 [2022-11-26 01:04:02,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:02,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:02,656 INFO L321 Elim1Store]: treesize reduction 316, result has 19.2 percent of original size [2022-11-26 01:04:02,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 340 treesize of output 370 [2022-11-26 01:04:03,022 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-11-26 01:04:03,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 428 treesize of output 448 [2022-11-26 01:04:03,392 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-11-26 01:04:03,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 428 treesize of output 448 [2022-11-26 01:04:03,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:03,524 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 26 treesize of output 25 [2022-11-26 01:04:03,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:03,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:03,631 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 [2022-11-26 01:04:03,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:03,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:03,848 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 [2022-11-26 01:04:03,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:03,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:04,063 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 [2022-11-26 01:04:04,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:04,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:04,278 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 [2022-11-26 01:04:04,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:04,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:04,538 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 [2022-11-26 01:04:04,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:04,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:05,134 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 [2022-11-26 01:04:05,171 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 [2022-11-26 01:04:05,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:05,505 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-11-26 01:04:05,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 452 treesize of output 463 [2022-11-26 01:04:05,726 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:04:12,203 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11949#(and (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (< 2147483646 |ULTIMATE.start_main_#t~post14#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-26 01:04:12,203 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 01:04:12,203 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:04:12,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-11-26 01:04:12,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329912622] [2022-11-26 01:04:12,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 01:04:12,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 01:04:12,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:12,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 01:04:12,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2022-11-26 01:04:12,206 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand has 16 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:12,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:12,704 INFO L93 Difference]: Finished difference Result 219 states and 227 transitions. [2022-11-26 01:04:12,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 01:04:12,704 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 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 102 [2022-11-26 01:04:12,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:12,706 INFO L225 Difference]: With dead ends: 219 [2022-11-26 01:04:12,706 INFO L226 Difference]: Without dead ends: 218 [2022-11-26 01:04:12,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 205 SyntacticMatches, 76 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2124 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=245, Invalid=1161, Unknown=0, NotChecked=0, Total=1406 [2022-11-26 01:04:12,708 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 361 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:12,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 174 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:04:12,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-11-26 01:04:12,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 172. [2022-11-26 01:04:12,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 169 states have (on average 1.047337278106509) internal successors, (177), 171 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:12,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 177 transitions. [2022-11-26 01:04:12,726 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 177 transitions. Word has length 102 [2022-11-26 01:04:12,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:12,726 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 177 transitions. [2022-11-26 01:04:12,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2022-11-26 01:04:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-26 01:04:12,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:12,728 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:04:12,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-26 01:04:12,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-26 01:04:12,935 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:04:12,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:12,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1775298588, now seen corresponding path program 2 times [2022-11-26 01:04:12,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:12,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538635415] [2022-11-26 01:04:12,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:12,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:13,713 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-26 01:04:13,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:13,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538635415] [2022-11-26 01:04:13,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538635415] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:04:13,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129068057] [2022-11-26 01:04:13,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 01:04:13,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:04:13,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:04:13,715 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:04:13,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-26 01:04:13,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-26 01:04:13,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 01:04:13,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:04:13,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:04:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 01:04:14,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:04:14,215 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 01:04:14,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129068057] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:04:14,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1548997553] [2022-11-26 01:04:14,219 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2022-11-26 01:04:14,219 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:04:14,220 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:04:14,220 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:04:14,220 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:04:14,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:14,421 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-26 01:04:14,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-11-26 01:04:14,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:14,476 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:04:14,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 01:04:14,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:14,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-11-26 01:04:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:14,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:04:14,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:14,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:04:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:14,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:14,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-11-26 01:04:14,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:14,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:14,947 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 115 treesize of output 138 [2022-11-26 01:04:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:04:15,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,120 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:04:15,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 654 treesize of output 628 [2022-11-26 01:04:15,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:04:15,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:15,815 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:04:15,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 522 treesize of output 505 [2022-11-26 01:04:16,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:04:16,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:16,269 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-26 01:04:16,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 41 case distinctions, treesize of input 543 treesize of output 520 [2022-11-26 01:04:16,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:16,748 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 [2022-11-26 01:04:16,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:16,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:17,512 INFO L321 Elim1Store]: treesize reduction 316, result has 19.2 percent of original size [2022-11-26 01:04:17,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 340 treesize of output 370 [2022-11-26 01:04:17,940 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-11-26 01:04:17,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 428 treesize of output 448 [2022-11-26 01:04:18,293 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-11-26 01:04:18,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 428 treesize of output 448 [2022-11-26 01:04:18,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:18,417 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 26 treesize of output 25 [2022-11-26 01:04:18,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:18,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:18,534 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 [2022-11-26 01:04:18,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:18,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:18,786 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 [2022-11-26 01:04:18,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:18,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:19,011 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 [2022-11-26 01:04:19,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:19,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:19,243 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 [2022-11-26 01:04:19,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:19,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:19,463 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 [2022-11-26 01:04:19,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:19,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:20,063 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 [2022-11-26 01:04:20,093 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 [2022-11-26 01:04:20,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:20,392 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-11-26 01:04:20,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 452 treesize of output 463 [2022-11-26 01:04:20,634 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:04:28,022 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '13088#(and (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (< 2147483646 |ULTIMATE.start_main_#t~post14#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-26 01:04:28,022 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 01:04:28,023 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:04:28,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 2, 2] total 11 [2022-11-26 01:04:28,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013065938] [2022-11-26 01:04:28,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 01:04:28,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 01:04:28,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:28,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 01:04:28,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2022-11-26 01:04:28,028 INFO L87 Difference]: Start difference. First operand 172 states and 177 transitions. Second operand has 12 states, 11 states have (on average 17.363636363636363) internal successors, (191), 12 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:28,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:28,884 INFO L93 Difference]: Finished difference Result 383 states and 394 transitions. [2022-11-26 01:04:28,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 01:04:28,885 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 17.363636363636363) internal successors, (191), 12 states have internal predecessors, (191), 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 114 [2022-11-26 01:04:28,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:28,887 INFO L225 Difference]: With dead ends: 383 [2022-11-26 01:04:28,887 INFO L226 Difference]: Without dead ends: 337 [2022-11-26 01:04:28,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 247 SyntacticMatches, 77 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1168 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=217, Invalid=1189, Unknown=0, NotChecked=0, Total=1406 [2022-11-26 01:04:28,889 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 384 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:28,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 119 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 01:04:28,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2022-11-26 01:04:28,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 284. [2022-11-26 01:04:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 282 states have (on average 1.024822695035461) internal successors, (289), 283 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:28,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 289 transitions. [2022-11-26 01:04:28,912 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 289 transitions. Word has length 114 [2022-11-26 01:04:28,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:28,913 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 289 transitions. [2022-11-26 01:04:28,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 17.363636363636363) internal successors, (191), 12 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:28,913 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 289 transitions. [2022-11-26 01:04:28,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-26 01:04:28,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:28,915 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:04:28,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-26 01:04:29,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:04:29,122 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:04:29,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:29,122 INFO L85 PathProgramCache]: Analyzing trace with hash -188324636, now seen corresponding path program 1 times [2022-11-26 01:04:29,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:29,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604348836] [2022-11-26 01:04:29,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:29,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:29,248 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-26 01:04:29,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:29,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604348836] [2022-11-26 01:04:29,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604348836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:29,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:29,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:04:29,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31333014] [2022-11-26 01:04:29,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:29,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:04:29,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:29,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:04:29,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:04:29,251 INFO L87 Difference]: Start difference. First operand 284 states and 289 transitions. Second operand has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:29,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:29,432 INFO L93 Difference]: Finished difference Result 290 states and 295 transitions. [2022-11-26 01:04:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:04:29,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 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 141 [2022-11-26 01:04:29,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:29,434 INFO L225 Difference]: With dead ends: 290 [2022-11-26 01:04:29,434 INFO L226 Difference]: Without dead ends: 177 [2022-11-26 01:04:29,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:04:29,436 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 57 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:29,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 47 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:04:29,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-11-26 01:04:29,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 174. [2022-11-26 01:04:29,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.0173410404624277) internal successors, (176), 173 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 176 transitions. [2022-11-26 01:04:29,456 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 176 transitions. Word has length 141 [2022-11-26 01:04:29,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:29,457 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 176 transitions. [2022-11-26 01:04:29,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:29,457 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 176 transitions. [2022-11-26 01:04:29,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-26 01:04:29,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:29,460 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-11-26 01:04:29,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 01:04:29,460 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-26 01:04:29,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:29,461 INFO L85 PathProgramCache]: Analyzing trace with hash -2031639295, now seen corresponding path program 2 times [2022-11-26 01:04:29,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:29,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908243445] [2022-11-26 01:04:29,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:29,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:29,957 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-26 01:04:29,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:29,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908243445] [2022-11-26 01:04:29,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908243445] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:04:29,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454067606] [2022-11-26 01:04:29,957 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 01:04:29,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:04:29,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:04:29,963 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:04:29,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-26 01:04:30,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-26 01:04:30,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 01:04:30,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:04:30,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:04:30,686 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-11-26 01:04:30,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:04:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-11-26 01:04:30,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454067606] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:04:30,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [79812460] [2022-11-26 01:04:31,002 INFO L159 IcfgInterpreter]: Started Sifa with 84 locations of interest [2022-11-26 01:04:31,002 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:04:31,002 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:04:31,002 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:04:31,003 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:04:31,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,158 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-26 01:04:31,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-11-26 01:04:31,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,207 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:04:31,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 01:04:31,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-11-26 01:04:31,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:04:31,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-26 01:04:31,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 128 [2022-11-26 01:04:31,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,649 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 120 treesize of output 143 [2022-11-26 01:04:31,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:31,862 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-11-26 01:04:31,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 53 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 30 case distinctions, treesize of input 661 treesize of output 635 [2022-11-26 01:04:32,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,316 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-11-26 01:04:32,317 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 20 case distinctions, treesize of input 506 treesize of output 489 [2022-11-26 01:04:32,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:32,697 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-11-26 01:04:32,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 64 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 40 case distinctions, treesize of input 527 treesize of output 504 [2022-11-26 01:04:32,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:33,077 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 [2022-11-26 01:04:33,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:33,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:33,611 INFO L321 Elim1Store]: treesize reduction 316, result has 19.2 percent of original size [2022-11-26 01:04:33,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 340 treesize of output 370 [2022-11-26 01:04:33,959 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-11-26 01:04:33,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 361 treesize of output 381 [2022-11-26 01:04:34,283 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-11-26 01:04:34,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 361 treesize of output 381 [2022-11-26 01:04:34,614 INFO L321 Elim1Store]: treesize reduction 480, result has 12.9 percent of original size [2022-11-26 01:04:34,615 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 20 case distinctions, treesize of input 352 treesize of output 381 [2022-11-26 01:04:34,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:34,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:34,790 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 [2022-11-26 01:04:34,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:34,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-26 01:04:35,019 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 [2022-11-26 01:04:35,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:35,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:35,360 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 [2022-11-26 01:04:35,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:35,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:35,621 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 [2022-11-26 01:04:35,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:35,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:35,849 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 [2022-11-26 01:04:35,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:35,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:04:36,167 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 [2022-11-26 01:04:36,200 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 [2022-11-26 01:04:36,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:36,529 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-11-26 01:04:36,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 452 treesize of output 463 [2022-11-26 01:04:36,733 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:04:47,449 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '15372#(and (not (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start_main_~i~0#1| 715827883) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-26 01:04:47,449 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 01:04:47,449 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:04:47,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 3, 2] total 13 [2022-11-26 01:04:47,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492913637] [2022-11-26 01:04:47,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 01:04:47,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 01:04:47,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:47,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 01:04:47,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2022-11-26 01:04:47,452 INFO L87 Difference]: Start difference. First operand 174 states and 176 transitions. Second operand has 13 states, 13 states have (on average 22.384615384615383) internal successors, (291), 13 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:48,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:48,143 INFO L93 Difference]: Finished difference Result 331 states and 335 transitions. [2022-11-26 01:04:48,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 01:04:48,144 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 22.384615384615383) internal successors, (291), 13 states have internal predecessors, (291), 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 173 [2022-11-26 01:04:48,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:48,144 INFO L225 Difference]: With dead ends: 331 [2022-11-26 01:04:48,144 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 01:04:48,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 357 SyntacticMatches, 144 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2574 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=226, Invalid=1034, Unknown=0, NotChecked=0, Total=1260 [2022-11-26 01:04:48,146 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 436 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:48,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 49 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:04:48,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 01:04:48,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 01:04:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:48,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 01:04:48,148 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2022-11-26 01:04:48,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:48,148 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 01:04:48,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 22.384615384615383) internal successors, (291), 13 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:48,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 01:04:48,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 01:04:48,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 86 remaining) [2022-11-26 01:04:48,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 86 remaining) [2022-11-26 01:04:48,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 86 remaining) [2022-11-26 01:04:48,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 86 remaining) [2022-11-26 01:04:48,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 86 remaining) [2022-11-26 01:04:48,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 86 remaining) [2022-11-26 01:04:48,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 86 remaining) [2022-11-26 01:04:48,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 86 remaining) [2022-11-26 01:04:48,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 86 remaining) [2022-11-26 01:04:48,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 86 remaining) [2022-11-26 01:04:48,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 86 remaining) [2022-11-26 01:04:48,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 86 remaining) [2022-11-26 01:04:48,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 86 remaining) [2022-11-26 01:04:48,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 86 remaining) [2022-11-26 01:04:48,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 86 remaining) [2022-11-26 01:04:48,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 86 remaining) [2022-11-26 01:04:48,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 86 remaining) [2022-11-26 01:04:48,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 86 remaining) [2022-11-26 01:04:48,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 86 remaining) [2022-11-26 01:04:48,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 86 remaining) [2022-11-26 01:04:48,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 86 remaining) [2022-11-26 01:04:48,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 86 remaining) [2022-11-26 01:04:48,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 86 remaining) [2022-11-26 01:04:48,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 86 remaining) [2022-11-26 01:04:48,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 86 remaining) [2022-11-26 01:04:48,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 86 remaining) [2022-11-26 01:04:48,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 86 remaining) [2022-11-26 01:04:48,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 86 remaining) [2022-11-26 01:04:48,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 86 remaining) [2022-11-26 01:04:48,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 86 remaining) [2022-11-26 01:04:48,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 86 remaining) [2022-11-26 01:04:48,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 86 remaining) [2022-11-26 01:04:48,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 86 remaining) [2022-11-26 01:04:48,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 86 remaining) [2022-11-26 01:04:48,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 86 remaining) [2022-11-26 01:04:48,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 86 remaining) [2022-11-26 01:04:48,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 86 remaining) [2022-11-26 01:04:48,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 86 remaining) [2022-11-26 01:04:48,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 86 remaining) [2022-11-26 01:04:48,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 86 remaining) [2022-11-26 01:04:48,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 86 remaining) [2022-11-26 01:04:48,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 86 remaining) [2022-11-26 01:04:48,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 86 remaining) [2022-11-26 01:04:48,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 86 remaining) [2022-11-26 01:04:48,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 86 remaining) [2022-11-26 01:04:48,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 86 remaining) [2022-11-26 01:04:48,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 86 remaining) [2022-11-26 01:04:48,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 86 remaining) [2022-11-26 01:04:48,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 86 remaining) [2022-11-26 01:04:48,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 86 remaining) [2022-11-26 01:04:48,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 86 remaining) [2022-11-26 01:04:48,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 86 remaining) [2022-11-26 01:04:48,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 86 remaining) [2022-11-26 01:04:48,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 86 remaining) [2022-11-26 01:04:48,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 86 remaining) [2022-11-26 01:04:48,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 86 remaining) [2022-11-26 01:04:48,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 86 remaining) [2022-11-26 01:04:48,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 86 remaining) [2022-11-26 01:04:48,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 86 remaining) [2022-11-26 01:04:48,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 86 remaining) [2022-11-26 01:04:48,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 86 remaining) [2022-11-26 01:04:48,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 86 remaining) [2022-11-26 01:04:48,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 86 remaining) [2022-11-26 01:04:48,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 86 remaining) [2022-11-26 01:04:48,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 86 remaining) [2022-11-26 01:04:48,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 86 remaining) [2022-11-26 01:04:48,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 86 remaining) [2022-11-26 01:04:48,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 86 remaining) [2022-11-26 01:04:48,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 86 remaining) [2022-11-26 01:04:48,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 86 remaining) [2022-11-26 01:04:48,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 86 remaining) [2022-11-26 01:04:48,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 86 remaining) [2022-11-26 01:04:48,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 86 remaining) [2022-11-26 01:04:48,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 86 remaining) [2022-11-26 01:04:48,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 86 remaining) [2022-11-26 01:04:48,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 86 remaining) [2022-11-26 01:04:48,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 86 remaining) [2022-11-26 01:04:48,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 86 remaining) [2022-11-26 01:04:48,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 86 remaining) [2022-11-26 01:04:48,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 86 remaining) [2022-11-26 01:04:48,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 86 remaining) [2022-11-26 01:04:48,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 86 remaining) [2022-11-26 01:04:48,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 86 remaining) [2022-11-26 01:04:48,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 86 remaining) [2022-11-26 01:04:48,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 86 remaining) [2022-11-26 01:04:48,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 86 remaining) [2022-11-26 01:04:48,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-11-26 01:04:48,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-26 01:04:48,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 01:04:53,309 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-26 01:04:53,309 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,309 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,309 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-26 01:04:53,309 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,309 INFO L899 garLoopResultBuilder]: For program point L52-1(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,309 INFO L899 garLoopResultBuilder]: For program point L52-2(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,309 INFO L899 garLoopResultBuilder]: For program point L52-3(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,310 INFO L899 garLoopResultBuilder]: For program point L52-4(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,310 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-11-26 01:04:53,310 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,310 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,310 INFO L899 garLoopResultBuilder]: For program point L52-5(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,310 INFO L899 garLoopResultBuilder]: For program point L52-6(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,310 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-11-26 01:04:53,310 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-26 01:04:53,310 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2022-11-26 01:04:53,311 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-11-26 01:04:53,311 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 01:04:53,311 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2022-11-26 01:04:53,311 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,311 INFO L899 garLoopResultBuilder]: For program point L53-1(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,311 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,311 INFO L899 garLoopResultBuilder]: For program point L53-2(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,312 INFO L899 garLoopResultBuilder]: For program point L53-3(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,312 INFO L899 garLoopResultBuilder]: For program point L53-4(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,312 INFO L899 garLoopResultBuilder]: For program point L53-5(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,312 INFO L899 garLoopResultBuilder]: For program point L53-6(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,312 INFO L899 garLoopResultBuilder]: For program point L53-7(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-26 01:04:53,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-26 01:04:53,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,312 INFO L899 garLoopResultBuilder]: For program point L70-3(line 70) no Hoare annotation was computed. [2022-11-26 01:04:53,312 INFO L899 garLoopResultBuilder]: For program point L70-4(line 70) no Hoare annotation was computed. [2022-11-26 01:04:53,313 INFO L895 garLoopResultBuilder]: At program point L70-5(lines 70 73) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1)) (.cse35 (div ~CELLCOUNT~0 3)) (.cse33 (select |#memory_int| 2))) (let ((.cse0 (= 98 (select .cse33 1))) (.cse1 (= ~CELLCOUNT~0 (* .cse35 3))) (.cse2 (= (select .cse33 7) 0)) (.cse3 (= (select |#length| 3) 12)) (.cse4 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse5 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse6 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse7 (= (select .cse33 6) 99)) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse11 (<= ~CELLCOUNT~0 2147483647)) (.cse12 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse13 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse14 (<= 1 .cse35)) (.cse15 (= 114 (select .cse33 3))) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse18 (= (select |#valid| 0) 0)) (.cse19 (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse20 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse21 (= (select .cse33 5) 46)) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= (select .cse33 4) 51)) (.cse25 (= 8 (select |#length| 2))) (.cse26 (= (select .cse34 0) 48)) (.cse27 (= (select .cse33 0) 109)) (.cse28 (= (select .cse34 1) 0)) (.cse29 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse30 (< 0 |#StackHeapBarrier|)) (.cse31 (= 112 (select .cse33 2))) (.cse32 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_main_~i~0#1|) .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) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_main_~i~0#1| 0) .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)))) [2022-11-26 01:04:53,313 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,313 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-26 01:04:53,313 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-26 01:04:53,313 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,313 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,313 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,313 INFO L899 garLoopResultBuilder]: For program point L38-2(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,314 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,314 INFO L899 garLoopResultBuilder]: For program point L38-4(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,314 INFO L899 garLoopResultBuilder]: For program point L38-5(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,314 INFO L899 garLoopResultBuilder]: For program point L38-6(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,314 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,314 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,314 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,315 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,315 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-26 01:04:53,315 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,315 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,315 INFO L899 garLoopResultBuilder]: For program point L39-2(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,315 INFO L899 garLoopResultBuilder]: For program point L39-3(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,315 INFO L899 garLoopResultBuilder]: For program point L39-4(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,316 INFO L899 garLoopResultBuilder]: For program point L39-5(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,316 INFO L899 garLoopResultBuilder]: For program point L39-6(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,316 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,316 INFO L899 garLoopResultBuilder]: For program point L39-7(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,316 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,316 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,316 INFO L899 garLoopResultBuilder]: For program point L56-1(line 56) no Hoare annotation was computed. [2022-11-26 01:04:53,316 INFO L899 garLoopResultBuilder]: For program point L56-2(lines 56 68) no Hoare annotation was computed. [2022-11-26 01:04:53,317 INFO L899 garLoopResultBuilder]: For program point L56-5(line 56) no Hoare annotation was computed. [2022-11-26 01:04:53,317 INFO L899 garLoopResultBuilder]: For program point L56-6(line 56) no Hoare annotation was computed. [2022-11-26 01:04:53,317 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-11-26 01:04:53,317 INFO L895 garLoopResultBuilder]: At program point L56-7(lines 56 68) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1)) (.cse35 (div ~CELLCOUNT~0 3)) (.cse33 (select |#memory_int| 2))) (let ((.cse0 (= 98 (select .cse33 1))) (.cse1 (= ~CELLCOUNT~0 (* .cse35 3))) (.cse2 (= (select .cse33 7) 0)) (.cse3 (= (select |#length| 3) 12)) (.cse4 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse5 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse6 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse7 (= (select .cse33 6) 99)) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse11 (<= ~CELLCOUNT~0 2147483647)) (.cse12 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse13 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse14 (<= 1 .cse35)) (.cse15 (= 114 (select .cse33 3))) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse18 (= (select |#valid| 0) 0)) (.cse19 (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse20 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse21 (= (select .cse33 5) 46)) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= (select .cse33 4) 51)) (.cse25 (= 8 (select |#length| 2))) (.cse26 (= (select .cse34 0) 48)) (.cse27 (= (select .cse33 0) 109)) (.cse28 (= (select .cse34 1) 0)) (.cse29 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse30 (< 0 |#StackHeapBarrier|)) (.cse31 (= 112 (select .cse33 2))) (.cse32 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_main_~i~0#1| 1) .cse9 .cse10 .cse11 .cse12 .cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) .cse14 .cse15 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse27 .cse28 .cse29 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse30 .cse31 .cse32)))) [2022-11-26 01:04:53,317 INFO L899 garLoopResultBuilder]: For program point L56-8(lines 56 68) no Hoare annotation was computed. [2022-11-26 01:04:53,318 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-26 01:04:53,318 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,318 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-26 01:04:53,318 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-11-26 01:04:53,318 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,318 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 01:04:53,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,319 INFO L899 garLoopResultBuilder]: For program point L58(lines 58 65) no Hoare annotation was computed. [2022-11-26 01:04:53,319 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-26 01:04:53,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-26 01:04:53,319 INFO L899 garLoopResultBuilder]: For program point L58-2(lines 58 65) no Hoare annotation was computed. [2022-11-26 01:04:53,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,319 INFO L902 garLoopResultBuilder]: At program point L75(lines 13 76) the Hoare annotation is: true [2022-11-26 01:04:53,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,319 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2022-11-26 01:04:53,320 INFO L899 garLoopResultBuilder]: For program point L42-2(lines 42 54) no Hoare annotation was computed. [2022-11-26 01:04:53,320 INFO L899 garLoopResultBuilder]: For program point L42-5(line 42) no Hoare annotation was computed. [2022-11-26 01:04:53,320 INFO L899 garLoopResultBuilder]: For program point L42-6(line 42) no Hoare annotation was computed. [2022-11-26 01:04:53,320 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-26 01:04:53,320 INFO L895 garLoopResultBuilder]: At program point L42-7(lines 42 54) the Hoare annotation is: (let ((.cse38 (select |#memory_int| 1)) (.cse39 (div ~CELLCOUNT~0 3)) (.cse37 (select |#memory_int| 2))) (let ((.cse0 (= 98 (select .cse37 1))) (.cse1 (= ~CELLCOUNT~0 (* .cse39 3))) (.cse2 (= (select .cse37 7) 0)) (.cse3 (= (select |#length| 3) 12)) (.cse4 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse5 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse6 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse7 (= (select .cse37 6) 99)) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse11 (<= ~CELLCOUNT~0 2147483647)) (.cse12 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse13 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse15 (<= 1 .cse39)) (.cse16 (= 114 (select .cse37 3))) (.cse17 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse18 (= (select |#valid| 1) 1)) (.cse19 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse20 (= (select |#valid| 0) 0)) (.cse21 (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse22 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse23 (= (select .cse37 5) 46)) (.cse24 (= (select |#valid| 2) 1)) (.cse25 (= |#NULL.offset| 0)) (.cse26 (= (select .cse37 4) 51)) (.cse27 (= 8 (select |#length| 2))) (.cse28 (= (select .cse38 0) 48)) (.cse29 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse30 (= (select .cse37 0) 109)) (.cse31 (= (select .cse38 1) 0)) (.cse32 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse33 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse34 (< 0 |#StackHeapBarrier|)) (.cse35 (= 112 (select .cse37 2))) (.cse36 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_main_~i~0#1| 1) .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) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 715827883) .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36)))) [2022-11-26 01:04:53,321 INFO L899 garLoopResultBuilder]: For program point L42-8(lines 42 54) no Hoare annotation was computed. [2022-11-26 01:04:53,321 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,321 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-26 01:04:53,321 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-11-26 01:04:53,321 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-26 01:04:53,321 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-26 01:04:53,321 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,321 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2022-11-26 01:04:53,322 INFO L899 garLoopResultBuilder]: For program point L60-1(line 60) no Hoare annotation was computed. [2022-11-26 01:04:53,322 INFO L899 garLoopResultBuilder]: For program point L60-2(line 60) no Hoare annotation was computed. [2022-11-26 01:04:53,322 INFO L899 garLoopResultBuilder]: For program point L60-3(line 60) no Hoare annotation was computed. [2022-11-26 01:04:53,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-26 01:04:53,322 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 51) no Hoare annotation was computed. [2022-11-26 01:04:53,322 INFO L899 garLoopResultBuilder]: For program point L44-2(lines 44 51) no Hoare annotation was computed. [2022-11-26 01:04:53,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-26 01:04:53,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-26 01:04:53,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,323 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,323 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-11-26 01:04:53,323 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 28 40) no Hoare annotation was computed. [2022-11-26 01:04:53,323 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2022-11-26 01:04:53,323 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,323 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2022-11-26 01:04:53,323 INFO L895 garLoopResultBuilder]: At program point L28-7(lines 28 40) the Hoare annotation is: (let ((.cse43 (select |#memory_int| 1)) (.cse10 (div ~CELLCOUNT~0 3)) (.cse42 (select |#memory_int| 2))) (let ((.cse0 (= 98 (select .cse42 1))) (.cse1 (= ~CELLCOUNT~0 (* .cse10 3))) (.cse2 (= (select .cse42 7) 0)) (.cse3 (= (select |#length| 3) 12)) (.cse4 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse5 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse6 (= (select .cse42 6) 99)) (.cse7 (= 2 (select |#length| 1))) (.cse8 (= (select |#valid| 3) 1)) (.cse34 (<= 7 |ULTIMATE.start_main_~CCCELVOL3~0#1|)) (.cse9 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse12 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse35 (<= |ULTIMATE.start_main_~MINVAL~0#1| 2)) (.cse13 (= 114 (select .cse42 3))) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse15 (= (select |#valid| 1) 1)) (.cse16 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse36 (<= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse37 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse38 (<= |ULTIMATE.start_main_~i~0#1| 715827883)) (.cse17 (= (select |#valid| 0) 0)) (.cse18 (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse39 (<= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse19 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse20 (= (select .cse42 5) 46)) (.cse21 (= (select |#valid| 2) 1)) (.cse22 (= |#NULL.offset| 0)) (.cse23 (= (select .cse42 4) 51)) (.cse24 (= 8 (select |#length| 2))) (.cse25 (= (select .cse43 0) 48)) (.cse26 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse27 (= (select .cse42 0) 109)) (.cse28 (= (select .cse43 1) 0)) (.cse40 (<= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse29 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse30 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse41 (<= 1 |ULTIMATE.start_main_~CCCELVOL1~0#1|)) (.cse31 (< 0 |#StackHeapBarrier|)) (.cse32 (= 112 (select .cse42 2))) (.cse33 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) .cse4 .cse5 .cse6 .cse7 (= |ULTIMATE.start_main_~i~0#1| 1) .cse8 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) .cse9 (<= |ULTIMATE.start_main_~i~0#1| (ite (and (not (= (mod ~CELLCOUNT~0 3) 0)) (< ~CELLCOUNT~0 0)) (+ .cse10 1) .cse10)) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) .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 .cse5 .cse6 .cse7 .cse8 .cse34 .cse9 .cse11 .cse12 .cse35 .cse13 .cse14 .cse15 .cse16 .cse36 .cse37 .cse38 .cse17 .cse18 .cse39 .cse20 (<= 2 .cse10) .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse40 .cse29 .cse30 .cse41 .cse31 .cse32 .cse33) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse34 .cse9 (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 6) .cse11 .cse12 (<= 1 .cse10) .cse35 .cse13 .cse14 .cse15 .cse16 .cse36 .cse37 .cse38 .cse17 .cse18 .cse39 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse40 .cse29 .cse30 .cse41 .cse31 .cse32 .cse33)))) [2022-11-26 01:04:53,323 INFO L899 garLoopResultBuilder]: For program point L28-8(lines 28 40) no Hoare annotation was computed. [2022-11-26 01:04:53,324 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,324 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-26 01:04:53,324 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-26 01:04:53,324 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,324 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,324 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,324 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,324 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-11-26 01:04:53,324 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2022-11-26 01:04:53,324 INFO L899 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2022-11-26 01:04:53,324 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2022-11-26 01:04:53,325 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-26 01:04:53,325 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 37) no Hoare annotation was computed. [2022-11-26 01:04:53,325 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 30 37) no Hoare annotation was computed. [2022-11-26 01:04:53,325 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-26 01:04:53,325 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-26 01:04:53,325 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,325 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,326 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-26 01:04:53,326 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-11-26 01:04:53,326 INFO L899 garLoopResultBuilder]: For program point L64-1(line 64) no Hoare annotation was computed. [2022-11-26 01:04:53,326 INFO L899 garLoopResultBuilder]: For program point L64-2(line 64) no Hoare annotation was computed. [2022-11-26 01:04:53,326 INFO L899 garLoopResultBuilder]: For program point L64-3(line 64) no Hoare annotation was computed. [2022-11-26 01:04:53,326 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-26 01:04:53,326 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-26 01:04:53,326 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-26 01:04:53,326 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,326 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,326 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-26 01:04:53,326 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-11-26 01:04:53,327 INFO L899 garLoopResultBuilder]: For program point L32-2(line 32) no Hoare annotation was computed. [2022-11-26 01:04:53,327 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-26 01:04:53,327 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2022-11-26 01:04:53,327 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,327 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,327 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,327 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 74) no Hoare annotation was computed. [2022-11-26 01:04:53,327 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-26 01:04:53,327 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 74) no Hoare annotation was computed. [2022-11-26 01:04:53,327 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,327 INFO L899 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,327 INFO L899 garLoopResultBuilder]: For program point L66-1(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,328 INFO L899 garLoopResultBuilder]: For program point L66-2(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,328 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-26 01:04:53,328 INFO L899 garLoopResultBuilder]: For program point L66-3(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,328 INFO L899 garLoopResultBuilder]: For program point L66-4(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,328 INFO L899 garLoopResultBuilder]: For program point L66-5(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,328 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-26 01:04:53,328 INFO L899 garLoopResultBuilder]: For program point L66-6(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,328 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,328 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-26 01:04:53,328 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2022-11-26 01:04:53,328 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-26 01:04:53,328 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2022-11-26 01:04:53,328 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2022-11-26 01:04:53,329 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2022-11-26 01:04:53,329 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-26 01:04:53,329 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,329 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,329 INFO L899 garLoopResultBuilder]: For program point L67-2(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,329 INFO L899 garLoopResultBuilder]: For program point L67-3(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,329 INFO L899 garLoopResultBuilder]: For program point L67-4(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,329 INFO L899 garLoopResultBuilder]: For program point L67-5(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,329 INFO L899 garLoopResultBuilder]: For program point L67-6(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,329 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-26 01:04:53,329 INFO L899 garLoopResultBuilder]: For program point L67-7(line 67) no Hoare annotation was computed. [2022-11-26 01:04:53,329 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-26 01:04:53,329 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-26 01:04:53,330 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-26 01:04:53,330 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-26 01:04:53,333 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:04:53,336 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:04:53,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:04:53 BoogieIcfgContainer [2022-11-26 01:04:53,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:04:53,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:04:53,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:04:53,381 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:04:53,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:02:45" (3/4) ... [2022-11-26 01:04:53,385 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 01:04:53,397 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-26 01:04:53,398 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-26 01:04:53,399 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-26 01:04:53,399 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 01:04:53,400 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 01:04:53,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && i <= (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT / 3 + 1 else CELLCOUNT / 3)) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && MINVAL <= 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && CCCELVOL1 <= 1) && 2 <= i) && i <= 715827883) && \valid[0] == 0) && !(2 == volArray)) && CCCELVOL3 <= 7) && unknown-#memory_int-unknown[2][5] == 46) && 2 <= CELLCOUNT / 3) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && 2 <= MINVAL) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 1 <= CCCELVOL1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0)) || ((((((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && 3 * i <= 6) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && MINVAL <= 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && CCCELVOL1 <= 1) && 2 <= i) && i <= 715827883) && \valid[0] == 0) && !(2 == volArray)) && CCCELVOL3 <= 7) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && 2 <= MINVAL) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 1 <= CCCELVOL1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) [2022-11-26 01:04:53,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && i <= 715827883) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) [2022-11-26 01:04:53,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) [2022-11-26 01:04:53,454 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 01:04:53,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:04:53,455 INFO L158 Benchmark]: Toolchain (without parser) took 129210.78ms. Allocated memory was 155.2MB in the beginning and 478.2MB in the end (delta: 323.0MB). Free memory was 117.8MB in the beginning and 291.0MB in the end (delta: -173.2MB). Peak memory consumption was 148.5MB. Max. memory is 16.1GB. [2022-11-26 01:04:53,456 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:04:53,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.10ms. Allocated memory is still 155.2MB. Free memory was 117.5MB in the beginning and 119.0MB in the end (delta: -1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:04:53,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.30ms. Allocated memory is still 155.2MB. Free memory was 119.0MB in the beginning and 116.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:04:53,456 INFO L158 Benchmark]: Boogie Preprocessor took 75.29ms. Allocated memory is still 155.2MB. Free memory was 116.7MB in the beginning and 114.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:04:53,457 INFO L158 Benchmark]: RCFGBuilder took 979.29ms. Allocated memory is still 155.2MB. Free memory was 114.8MB in the beginning and 86.4MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-26 01:04:53,457 INFO L158 Benchmark]: TraceAbstraction took 127474.52ms. Allocated memory was 155.2MB in the beginning and 478.2MB in the end (delta: 323.0MB). Free memory was 85.5MB in the beginning and 296.2MB in the end (delta: -210.7MB). Peak memory consumption was 253.1MB. Max. memory is 16.1GB. [2022-11-26 01:04:53,457 INFO L158 Benchmark]: Witness Printer took 73.80ms. Allocated memory is still 478.2MB. Free memory was 296.2MB in the beginning and 291.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:04:53,459 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.10ms. Allocated memory is still 155.2MB. Free memory was 117.5MB in the beginning and 119.0MB in the end (delta: -1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.30ms. Allocated memory is still 155.2MB. Free memory was 119.0MB in the beginning and 116.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.29ms. Allocated memory is still 155.2MB. Free memory was 116.7MB in the beginning and 114.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 979.29ms. Allocated memory is still 155.2MB. Free memory was 114.8MB in the beginning and 86.4MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 127474.52ms. Allocated memory was 155.2MB in the beginning and 478.2MB in the end (delta: 323.0MB). Free memory was 85.5MB in the beginning and 296.2MB in the end (delta: -210.7MB). Peak memory consumption was 253.1MB. Max. memory is 16.1GB. * Witness Printer took 73.80ms. Allocated memory is still 478.2MB. Free memory was 296.2MB in the beginning and 291.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: 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: 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: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 188 locations, 86 error locations. Started 1 CEGAR loops. OverallTime: 127.4s, OverallIterations: 21, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 21.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4817 SdHoareTripleChecker+Valid, 9.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4817 mSDsluCounter, 2839 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1414 mSDsCounter, 454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7759 IncrementalHoareTripleChecker+Invalid, 8213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 454 mSolverCounterUnsat, 1425 mSDtfsCounter, 7759 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2477 GetRequests, 1665 SyntacticMatches, 515 SemanticMatches, 297 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9495 ImplicationChecksByTransitivity, 56.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred in iteration=19, InterpolantAutomatonStates: 162, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 529 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 37 NumberOfFragments, 1678 HoareAnnotationTreeSize, 5 FomulaSimplifications, 740 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 5 FomulaSimplificationsInter, 5479 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 2303 NumberOfCodeBlocks, 2051 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 2939 ConstructedInterpolants, 0 QuantifiedInterpolants, 9221 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1998 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 41 InterpolantComputations, 13 PerfectInterpolantSequences, 718/942 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: 15.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 140, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 497, TOOLS_POST_TIME: 14.0s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 497, TOOLS_QUANTIFIERELIM_TIME: 13.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 660, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 30, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME: 0.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 140, DOMAIN_ISBOTTOM_TIME: 0.3s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 9.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 9.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 7327, DAG_COMPRESSION_RETAINED_NODES: 463, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 86 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && 1 <= i) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || (((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i == 0) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && i <= (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT / 3 + 1 else CELLCOUNT / 3)) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && MINVAL <= 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && CCCELVOL1 <= 1) && 2 <= i) && i <= 715827883) && \valid[0] == 0) && !(2 == volArray)) && CCCELVOL3 <= 7) && unknown-#memory_int-unknown[2][5] == 46) && 2 <= CELLCOUNT / 3) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && 2 <= MINVAL) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 1 <= CCCELVOL1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0)) || ((((((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && 3 * i <= 6) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && MINVAL <= 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && CCCELVOL1 <= 1) && 2 <= i) && i <= 715827883) && \valid[0] == 0) && !(2 == volArray)) && CCCELVOL3 <= 7) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && 2 <= MINVAL) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 1 <= CCCELVOL1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && i <= 715827883) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-26 01:04:53,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc70b67-5485-4a8d-ae0d-87782ab33d45/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