./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae698f02be6e3657db0e7ca3e62c4cfb121d43a876624ed4d21d19b033e0c02e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:38:56,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:38:56,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:38:56,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:38:56,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:38:56,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:38:56,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:38:57,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:38:57,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:38:57,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:38:57,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:38:57,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:38:57,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:38:57,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:38:57,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:38:57,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:38:57,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:38:57,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:38:57,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:38:57,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:38:57,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:38:57,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:38:57,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:38:57,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:38:57,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:38:57,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:38:57,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:38:57,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:38:57,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:38:57,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:38:57,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:38:57,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:38:57,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:38:57,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:38:57,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:38:57,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:38:57,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:38:57,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:38:57,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:38:57,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:38:57,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:38:57,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:38:57,090 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:38:57,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:38:57,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:38:57,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:38:57,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:38:57,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:38:57,092 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:38:57,093 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:38:57,093 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:38:57,093 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:38:57,094 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:38:57,094 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:38:57,094 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:38:57,095 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:38:57,095 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:38:57,095 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:38:57,096 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:38:57,096 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:38:57,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:38:57,097 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:38:57,098 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:38:57,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:38:57,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:38:57,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:38:57,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:38:57,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:38:57,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:38:57,100 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:38:57,100 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:38:57,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:38:57,101 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:38:57,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:38:57,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:38:57,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:38:57,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:38:57,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:38:57,103 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:38:57,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:38:57,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:38:57,103 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:38:57,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:38:57,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:38:57,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:38:57,104 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_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae698f02be6e3657db0e7ca3e62c4cfb121d43a876624ed4d21d19b033e0c02e [2022-11-22 01:38:57,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:38:57,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:38:57,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:38:57,463 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:38:57,463 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:38:57,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c [2022-11-22 01:39:00,529 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:39:00,785 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:39:00,786 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c [2022-11-22 01:39:00,794 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/data/212fdef9a/ae8c7774575a4197b09c7ad7e8022df1/FLAG04ac0a052 [2022-11-22 01:39:00,816 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/data/212fdef9a/ae8c7774575a4197b09c7ad7e8022df1 [2022-11-22 01:39:00,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:39:00,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:39:00,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:39:00,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:39:00,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:39:00,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:39:00" (1/1) ... [2022-11-22 01:39:00,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f7d5a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:00, skipping insertion in model container [2022-11-22 01:39:00,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:39:00" (1/1) ... [2022-11-22 01:39:00,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:39:00,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:39:01,057 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_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c[322,335] [2022-11-22 01:39:01,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:39:01,097 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:39:01,110 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_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c[322,335] [2022-11-22 01:39:01,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:39:01,152 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:39:01,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:01 WrapperNode [2022-11-22 01:39:01,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:39:01,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:39:01,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:39:01,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:39:01,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:01" (1/1) ... [2022-11-22 01:39:01,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:01" (1/1) ... [2022-11-22 01:39:01,200 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 136 [2022-11-22 01:39:01,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:39:01,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:39:01,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:39:01,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:39:01,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:01" (1/1) ... [2022-11-22 01:39:01,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:01" (1/1) ... [2022-11-22 01:39:01,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:01" (1/1) ... [2022-11-22 01:39:01,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:01" (1/1) ... [2022-11-22 01:39:01,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:01" (1/1) ... [2022-11-22 01:39:01,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:01" (1/1) ... [2022-11-22 01:39:01,234 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:01" (1/1) ... [2022-11-22 01:39:01,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:01" (1/1) ... [2022-11-22 01:39:01,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:39:01,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:39:01,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:39:01,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:39:01,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:01" (1/1) ... [2022-11-22 01:39:01,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:39:01,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:01,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:39:01,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:39:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:39:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:39:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:39:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:39:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:39:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:39:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:39:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:39:01,395 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:39:01,396 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:39:01,697 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:39:01,786 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:39:01,792 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-22 01:39:01,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:39:01 BoogieIcfgContainer [2022-11-22 01:39:01,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:39:01,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:39:01,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:39:01,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:39:01,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:39:00" (1/3) ... [2022-11-22 01:39:01,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da6704c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:39:01, skipping insertion in model container [2022-11-22 01:39:01,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:01" (2/3) ... [2022-11-22 01:39:01,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da6704c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:39:01, skipping insertion in model container [2022-11-22 01:39:01,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:39:01" (3/3) ... [2022-11-22 01:39:01,808 INFO L112 eAbstractionObserver]: Analyzing ICFG diff-3-n-u.c [2022-11-22 01:39:01,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:39:01,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-22 01:39:01,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:39:01,908 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;@4d3943a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:39:01,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-11-22 01:39:01,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 28 states have (on average 1.9642857142857142) internal successors, (55), 46 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:01,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 01:39:01,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:01,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 01:39:01,923 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-22 01:39:01,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:01,933 INFO L85 PathProgramCache]: Analyzing trace with hash 5825378, now seen corresponding path program 1 times [2022-11-22 01:39:01,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:01,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247962755] [2022-11-22 01:39:01,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:01,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:02,054 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:39:02,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [282655309] [2022-11-22 01:39:02,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:02,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:02,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:02,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:02,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:39:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:02,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:39:02,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:39:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:39:02,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:39:02,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:02,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247962755] [2022-11-22 01:39:02,232 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:39:02,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282655309] [2022-11-22 01:39:02,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282655309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:39:02,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:39:02,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:39:02,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265261604] [2022-11-22 01:39:02,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:39:02,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:39:02,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:02,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:39:02,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:02,278 INFO L87 Difference]: Start difference. First operand has 47 states, 28 states have (on average 1.9642857142857142) internal successors, (55), 46 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:02,458 INFO L93 Difference]: Finished difference Result 90 states and 109 transitions. [2022-11-22 01:39:02,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:39:02,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-22 01:39:02,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:02,469 INFO L225 Difference]: With dead ends: 90 [2022-11-22 01:39:02,469 INFO L226 Difference]: Without dead ends: 85 [2022-11-22 01:39:02,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:02,475 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 44 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:02,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 57 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:39:02,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-22 01:39:02,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 70. [2022-11-22 01:39:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 52 states have (on average 1.8846153846153846) internal successors, (98), 69 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:02,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2022-11-22 01:39:02,599 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 4 [2022-11-22 01:39:02,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:02,601 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2022-11-22 01:39:02,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:02,602 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2022-11-22 01:39:02,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:39:02,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:02,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:39:02,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:39:02,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-22 01:39:02,809 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-22 01:39:02,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:02,809 INFO L85 PathProgramCache]: Analyzing trace with hash 180586795, now seen corresponding path program 1 times [2022-11-22 01:39:02,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:02,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559349744] [2022-11-22 01:39:02,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:02,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:02,819 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:39:02,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2110940007] [2022-11-22 01:39:02,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:02,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:02,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:02,828 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:02,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:39:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:02,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:39:02,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:39:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:39:02,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:39:02,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:02,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559349744] [2022-11-22 01:39:02,907 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:39:02,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110940007] [2022-11-22 01:39:02,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110940007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:39:02,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:39:02,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:39:02,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681968914] [2022-11-22 01:39:02,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:39:02,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:39:02,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:02,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:39:02,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:02,910 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:02,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:02,984 INFO L93 Difference]: Finished difference Result 70 states and 98 transitions. [2022-11-22 01:39:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:39:02,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-22 01:39:02,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:02,986 INFO L225 Difference]: With dead ends: 70 [2022-11-22 01:39:02,987 INFO L226 Difference]: Without dead ends: 67 [2022-11-22 01:39:02,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:02,989 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:02,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 27 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:39:02,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-22 01:39:02,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-22 01:39:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 52 states have (on average 1.8269230769230769) internal successors, (95), 66 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:03,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2022-11-22 01:39:03,000 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 5 [2022-11-22 01:39:03,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:03,000 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2022-11-22 01:39:03,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:03,001 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2022-11-22 01:39:03,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:39:03,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:03,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:39:03,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:39:03,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:03,207 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-22 01:39:03,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:03,208 INFO L85 PathProgramCache]: Analyzing trace with hash 180439040, now seen corresponding path program 1 times [2022-11-22 01:39:03,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:03,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335610399] [2022-11-22 01:39:03,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:03,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:03,217 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:39:03,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [58022438] [2022-11-22 01:39:03,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:03,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:03,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:03,229 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:03,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:39:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:03,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:39:03,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:39:03,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:39:03,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:39:03,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:03,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335610399] [2022-11-22 01:39:03,310 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:39:03,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58022438] [2022-11-22 01:39:03,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58022438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:39:03,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:39:03,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:39:03,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059720011] [2022-11-22 01:39:03,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:39:03,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:39:03,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:03,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:39:03,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:03,313 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:03,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:03,402 INFO L93 Difference]: Finished difference Result 127 states and 184 transitions. [2022-11-22 01:39:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:39:03,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-22 01:39:03,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:03,406 INFO L225 Difference]: With dead ends: 127 [2022-11-22 01:39:03,406 INFO L226 Difference]: Without dead ends: 124 [2022-11-22 01:39:03,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:03,408 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 37 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:03,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 48 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:39:03,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-22 01:39:03,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 97. [2022-11-22 01:39:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 82 states have (on average 1.8170731707317074) internal successors, (149), 96 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 149 transitions. [2022-11-22 01:39:03,426 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 149 transitions. Word has length 5 [2022-11-22 01:39:03,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:03,426 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 149 transitions. [2022-11-22 01:39:03,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2022-11-22 01:39:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:39:03,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:03,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:39:03,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-22 01:39:03,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:03,634 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-22 01:39:03,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:03,634 INFO L85 PathProgramCache]: Analyzing trace with hash 180434445, now seen corresponding path program 1 times [2022-11-22 01:39:03,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:03,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463999303] [2022-11-22 01:39:03,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:03,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:03,649 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:39:03,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572570187] [2022-11-22 01:39:03,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:03,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:03,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:03,659 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:03,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:39:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:03,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:39:03,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:39:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:39:03,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:39:03,729 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:03,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463999303] [2022-11-22 01:39:03,729 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:39:03,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572570187] [2022-11-22 01:39:03,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572570187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:39:03,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:39:03,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:39:03,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021135500] [2022-11-22 01:39:03,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:39:03,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:39:03,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:03,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:39:03,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:03,732 INFO L87 Difference]: Start difference. First operand 97 states and 149 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:03,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:03,836 INFO L93 Difference]: Finished difference Result 181 states and 280 transitions. [2022-11-22 01:39:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:39:03,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-22 01:39:03,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:03,846 INFO L225 Difference]: With dead ends: 181 [2022-11-22 01:39:03,851 INFO L226 Difference]: Without dead ends: 178 [2022-11-22 01:39:03,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:03,854 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 35 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:03,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 51 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:39:03,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-11-22 01:39:03,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 121. [2022-11-22 01:39:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 106 states have (on average 1.7452830188679245) internal successors, (185), 120 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) [2022-11-22 01:39:03,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 185 transitions. [2022-11-22 01:39:03,891 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 185 transitions. Word has length 5 [2022-11-22 01:39:03,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:03,892 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 185 transitions. [2022-11-22 01:39:03,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 185 transitions. [2022-11-22 01:39:03,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 01:39:03,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:03,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 01:39:03,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:39:04,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:04,094 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-22 01:39:04,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:04,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1298643014, now seen corresponding path program 1 times [2022-11-22 01:39:04,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:04,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067717376] [2022-11-22 01:39:04,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:04,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:04,103 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:39:04,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406997799] [2022-11-22 01:39:04,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:04,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:04,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:04,105 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:04,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 01:39:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:04,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:39:04,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:39:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:39:04,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:39:04,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:04,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067717376] [2022-11-22 01:39:04,187 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:39:04,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406997799] [2022-11-22 01:39:04,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406997799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:39:04,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:39:04,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:39:04,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504066926] [2022-11-22 01:39:04,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:39:04,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:39:04,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:04,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:39:04,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:04,192 INFO L87 Difference]: Start difference. First operand 121 states and 185 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:04,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:04,254 INFO L93 Difference]: Finished difference Result 121 states and 185 transitions. [2022-11-22 01:39:04,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:39:04,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-22 01:39:04,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:04,256 INFO L225 Difference]: With dead ends: 121 [2022-11-22 01:39:04,256 INFO L226 Difference]: Without dead ends: 118 [2022-11-22 01:39:04,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:04,263 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:04,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 24 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:39:04,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-22 01:39:04,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-11-22 01:39:04,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 106 states have (on average 1.6886792452830188) internal successors, (179), 117 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:04,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 179 transitions. [2022-11-22 01:39:04,299 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 179 transitions. Word has length 6 [2022-11-22 01:39:04,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:04,299 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 179 transitions. [2022-11-22 01:39:04,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:04,300 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 179 transitions. [2022-11-22 01:39:04,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 01:39:04,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:04,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 01:39:04,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-22 01:39:04,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:04,507 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-22 01:39:04,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:04,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1298500562, now seen corresponding path program 1 times [2022-11-22 01:39:04,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:04,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958432201] [2022-11-22 01:39:04,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:04,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:04,518 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:39:04,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [709251379] [2022-11-22 01:39:04,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:04,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:04,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:04,522 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:04,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 01:39:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:04,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:39:04,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:39:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:39:04,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:39:04,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:04,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958432201] [2022-11-22 01:39:04,621 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:39:04,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709251379] [2022-11-22 01:39:04,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709251379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:39:04,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:39:04,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:39:04,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293512645] [2022-11-22 01:39:04,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:39:04,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:39:04,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:04,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:39:04,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:04,623 INFO L87 Difference]: Start difference. First operand 118 states and 179 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:04,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:04,682 INFO L93 Difference]: Finished difference Result 118 states and 179 transitions. [2022-11-22 01:39:04,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:39:04,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-22 01:39:04,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:04,684 INFO L225 Difference]: With dead ends: 118 [2022-11-22 01:39:04,684 INFO L226 Difference]: Without dead ends: 115 [2022-11-22 01:39:04,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:04,686 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 31 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:04,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 24 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:39:04,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-22 01:39:04,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-11-22 01:39:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 106 states have (on average 1.5754716981132075) internal successors, (167), 114 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) [2022-11-22 01:39:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 167 transitions. [2022-11-22 01:39:04,721 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 167 transitions. Word has length 6 [2022-11-22 01:39:04,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:04,722 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 167 transitions. [2022-11-22 01:39:04,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:04,722 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 167 transitions. [2022-11-22 01:39:04,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:39:04,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:04,725 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2022-11-22 01:39:04,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 01:39:04,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:04,930 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-22 01:39:04,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:04,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1732766119, now seen corresponding path program 1 times [2022-11-22 01:39:04,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:04,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013514971] [2022-11-22 01:39:04,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:04,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:04,938 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:39:04,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1440684328] [2022-11-22 01:39:04,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:04,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:04,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:04,939 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:04,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 01:39:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:05,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:39:05,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:39:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:39:05,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:39:05,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:05,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013514971] [2022-11-22 01:39:05,044 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:39:05,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440684328] [2022-11-22 01:39:05,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440684328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:39:05,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:39:05,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:39:05,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406890395] [2022-11-22 01:39:05,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:39:05,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:39:05,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:05,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:39:05,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:39:05,047 INFO L87 Difference]: Start difference. First operand 115 states and 167 transitions. Second operand has 4 states, 4 states have (on average 2.0) 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) [2022-11-22 01:39:05,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:05,136 INFO L93 Difference]: Finished difference Result 222 states and 313 transitions. [2022-11-22 01:39:05,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:39:05,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) 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 [2022-11-22 01:39:05,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:05,137 INFO L225 Difference]: With dead ends: 222 [2022-11-22 01:39:05,137 INFO L226 Difference]: Without dead ends: 124 [2022-11-22 01:39:05,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:39:05,139 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 94 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:05,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 42 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:39:05,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-22 01:39:05,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 115. [2022-11-22 01:39:05,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 106 states have (on average 1.5188679245283019) internal successors, (161), 114 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:05,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2022-11-22 01:39:05,156 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 8 [2022-11-22 01:39:05,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:05,156 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2022-11-22 01:39:05,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) 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) [2022-11-22 01:39:05,156 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2022-11-22 01:39:05,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:39:05,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:05,157 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-22 01:39:05,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 01:39:05,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:05,364 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-22 01:39:05,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:05,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1976441164, now seen corresponding path program 1 times [2022-11-22 01:39:05,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:05,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000700177] [2022-11-22 01:39:05,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:05,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:05,373 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:39:05,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1276920288] [2022-11-22 01:39:05,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:05,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:05,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:05,375 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:05,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 01:39:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:05,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:39:05,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:39:05,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:39:05,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:39:05,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:39:05,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:05,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000700177] [2022-11-22 01:39:05,497 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:39:05,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276920288] [2022-11-22 01:39:05,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276920288] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:39:05,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [938151624] [2022-11-22 01:39:05,525 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-22 01:39:05,525 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:39:05,528 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:39:05,536 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:39:05,536 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:39:05,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:05,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:05,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:05,800 INFO L321 Elim1Store]: treesize reduction 190, result has 19.1 percent of original size [2022-11-22 01:39:05,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 93 [2022-11-22 01:39:05,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:05,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:05,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 61 [2022-11-22 01:39:05,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:05,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:05,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2022-11-22 01:39:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:06,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:06,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2022-11-22 01:39:06,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:06,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:06,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:06,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:06,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:06,442 INFO L321 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2022-11-22 01:39:06,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 477 treesize of output 446 [2022-11-22 01:39:06,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:06,661 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:06,662 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:06,708 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:39:07,841 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2363#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) (= |ULTIMATE.start_main_~p~0#1| 1800) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (< 2147483646 |ULTIMATE.start_main_~k~0#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (= |ULTIMATE.start_main_~j~0#1| 0) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| 1500) (= |#NULL.base| 0))' at error location [2022-11-22 01:39:07,841 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:39:07,841 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:39:07,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-11-22 01:39:07,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868715829] [2022-11-22 01:39:07,841 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-22 01:39:07,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:39:07,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:07,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:39:07,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-22 01:39:07,843 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:08,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:08,081 INFO L93 Difference]: Finished difference Result 394 states and 553 transitions. [2022-11-22 01:39:08,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:39:08,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 [2022-11-22 01:39:08,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:08,083 INFO L225 Difference]: With dead ends: 394 [2022-11-22 01:39:08,083 INFO L226 Difference]: Without dead ends: 391 [2022-11-22 01:39:08,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-22 01:39:08,085 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 144 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:08,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 99 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:39:08,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2022-11-22 01:39:08,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 223. [2022-11-22 01:39:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 214 states have (on average 1.425233644859813) internal successors, (305), 222 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 305 transitions. [2022-11-22 01:39:08,133 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 305 transitions. Word has length 8 [2022-11-22 01:39:08,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:08,134 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 305 transitions. [2022-11-22 01:39:08,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:08,134 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 305 transitions. [2022-11-22 01:39:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:39:08,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:08,139 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-11-22 01:39:08,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-22 01:39:08,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:08,345 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-22 01:39:08,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:08,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1191317759, now seen corresponding path program 1 times [2022-11-22 01:39:08,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:08,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469992854] [2022-11-22 01:39:08,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:08,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:08,354 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:39:08,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1190268240] [2022-11-22 01:39:08,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:08,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:08,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:08,357 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:08,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-22 01:39:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:08,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:39:08,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:39:08,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:39:08,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:39:08,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:08,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469992854] [2022-11-22 01:39:08,450 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:39:08,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190268240] [2022-11-22 01:39:08,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190268240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:39:08,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:39:08,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:39:08,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023281676] [2022-11-22 01:39:08,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:39:08,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:39:08,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:08,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:39:08,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:39:08,452 INFO L87 Difference]: Start difference. First operand 223 states and 305 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:08,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:08,530 INFO L93 Difference]: Finished difference Result 429 states and 586 transitions. [2022-11-22 01:39:08,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:39:08,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 01:39:08,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:08,532 INFO L225 Difference]: With dead ends: 429 [2022-11-22 01:39:08,532 INFO L226 Difference]: Without dead ends: 223 [2022-11-22 01:39:08,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:39:08,539 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 65 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:08,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 45 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:39:08,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-11-22 01:39:08,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-11-22 01:39:08,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 214 states have (on average 1.3691588785046729) internal successors, (293), 222 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:08,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 293 transitions. [2022-11-22 01:39:08,557 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 293 transitions. Word has length 9 [2022-11-22 01:39:08,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:08,557 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 293 transitions. [2022-11-22 01:39:08,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:08,558 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 293 transitions. [2022-11-22 01:39:08,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:39:08,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:08,560 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-22 01:39:08,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-22 01:39:08,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:08,766 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-22 01:39:08,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:08,767 INFO L85 PathProgramCache]: Analyzing trace with hash -2085749889, now seen corresponding path program 1 times [2022-11-22 01:39:08,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:08,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986180563] [2022-11-22 01:39:08,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:08,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:08,776 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:39:08,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1770064618] [2022-11-22 01:39:08,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:08,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:08,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:08,780 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:08,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-22 01:39:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:08,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:39:08,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:39:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:39:08,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:39:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:39:08,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:08,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986180563] [2022-11-22 01:39:08,941 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:39:08,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770064618] [2022-11-22 01:39:08,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770064618] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:39:08,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [537395457] [2022-11-22 01:39:08,944 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-22 01:39:08,945 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:39:08,945 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:39:08,945 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:39:08,945 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:39:08,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:08,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:08,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:09,094 INFO L321 Elim1Store]: treesize reduction 185, result has 22.9 percent of original size [2022-11-22 01:39:09,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 81 [2022-11-22 01:39:09,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:09,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:09,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:09,278 INFO L321 Elim1Store]: treesize reduction 190, result has 19.1 percent of original size [2022-11-22 01:39:09,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 93 [2022-11-22 01:39:09,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:09,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:09,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2022-11-22 01:39:09,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:09,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:09,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2022-11-22 01:39:09,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:09,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:09,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:09,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:09,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:09,789 INFO L321 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2022-11-22 01:39:09,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 477 treesize of output 446 [2022-11-22 01:39:09,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:09,928 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:09,929 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:10,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:10,229 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:10,229 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:10,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:10,259 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:10,259 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:10,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:10,354 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:10,355 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:10,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:10,432 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:10,432 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:10,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:10,533 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:10,534 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:10,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:10,563 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:10,564 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:10,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:10,647 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:10,647 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:10,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:10,729 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:10,729 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:11,051 INFO L321 Elim1Store]: treesize reduction 294, result has 12.5 percent of original size [2022-11-22 01:39:11,052 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 3 case distinctions, treesize of input 326 treesize of output 307 [2022-11-22 01:39:11,251 INFO L321 Elim1Store]: treesize reduction 294, result has 12.5 percent of original size [2022-11-22 01:39:11,252 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 3 case distinctions, treesize of input 326 treesize of output 307 [2022-11-22 01:39:11,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:11,378 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:11,379 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:11,427 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:39:13,048 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4176#(and (< 2147483646 |ULTIMATE.start_main_~j~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (= |ULTIMATE.start_main_~p~0#1| 1800) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) (<= 1800 |ULTIMATE.start_main_~k~0#1|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| 1500) (= |#NULL.base| 0))' at error location [2022-11-22 01:39:13,049 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:39:13,049 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:39:13,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2022-11-22 01:39:13,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008368950] [2022-11-22 01:39:13,051 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-22 01:39:13,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 01:39:13,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:13,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 01:39:13,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2022-11-22 01:39:13,053 INFO L87 Difference]: Start difference. First operand 223 states and 293 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:13,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:13,229 INFO L93 Difference]: Finished difference Result 429 states and 563 transitions. [2022-11-22 01:39:13,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:39:13,229 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 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 15 [2022-11-22 01:39:13,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:13,230 INFO L225 Difference]: With dead ends: 429 [2022-11-22 01:39:13,231 INFO L226 Difference]: Without dead ends: 223 [2022-11-22 01:39:13,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-11-22 01:39:13,233 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 123 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:13,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 42 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:39:13,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-11-22 01:39:13,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-11-22 01:39:13,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 214 states have (on average 1.2009345794392523) internal successors, (257), 222 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 257 transitions. [2022-11-22 01:39:13,249 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 257 transitions. Word has length 15 [2022-11-22 01:39:13,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:13,249 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 257 transitions. [2022-11-22 01:39:13,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:13,250 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 257 transitions. [2022-11-22 01:39:13,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 01:39:13,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:13,252 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2022-11-22 01:39:13,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-22 01:39:13,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-22 01:39:13,459 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-22 01:39:13,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:13,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1817537715, now seen corresponding path program 2 times [2022-11-22 01:39:13,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:13,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399456029] [2022-11-22 01:39:13,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:13,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:13,487 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:39:13,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1418316933] [2022-11-22 01:39:13,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:39:13,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:13,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:13,495 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:13,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-22 01:39:13,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-22 01:39:13,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:39:13,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:39:13,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:39:13,622 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-22 01:39:13,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:39:13,661 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-22 01:39:13,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:13,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399456029] [2022-11-22 01:39:13,661 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:39:13,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418316933] [2022-11-22 01:39:13,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418316933] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:39:13,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1429791258] [2022-11-22 01:39:13,663 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-22 01:39:13,664 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:39:13,664 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:39:13,664 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:39:13,664 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:39:13,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:13,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:13,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:13,809 INFO L321 Elim1Store]: treesize reduction 190, result has 19.1 percent of original size [2022-11-22 01:39:13,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 93 [2022-11-22 01:39:13,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:13,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:13,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:13,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 61 [2022-11-22 01:39:13,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:13,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:13,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2022-11-22 01:39:13,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:13,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:13,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2022-11-22 01:39:14,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:14,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:14,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:14,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:14,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:14,246 INFO L321 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2022-11-22 01:39:14,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 477 treesize of output 446 [2022-11-22 01:39:14,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:14,379 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:14,379 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:14,404 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:39:15,399 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5169#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) (= |ULTIMATE.start_main_~p~0#1| 1800) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (< 2147483646 |ULTIMATE.start_main_~k~0#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (= |ULTIMATE.start_main_~j~0#1| 0) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| 1500) (= |#NULL.base| 0))' at error location [2022-11-22 01:39:15,400 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:39:15,400 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:39:15,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 4 [2022-11-22 01:39:15,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346735595] [2022-11-22 01:39:15,401 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-22 01:39:15,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:39:15,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:15,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:39:15,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-22 01:39:15,402 INFO L87 Difference]: Start difference. First operand 223 states and 257 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:15,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:15,507 INFO L93 Difference]: Finished difference Result 223 states and 257 transitions. [2022-11-22 01:39:15,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:39:15,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 [2022-11-22 01:39:15,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:15,509 INFO L225 Difference]: With dead ends: 223 [2022-11-22 01:39:15,509 INFO L226 Difference]: Without dead ends: 220 [2022-11-22 01:39:15,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-11-22 01:39:15,510 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 124 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:15,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 42 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:39:15,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-22 01:39:15,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 208. [2022-11-22 01:39:15,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 202 states have (on average 1.1534653465346534) internal successors, (233), 207 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:15,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 233 transitions. [2022-11-22 01:39:15,526 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 233 transitions. Word has length 17 [2022-11-22 01:39:15,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:15,527 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 233 transitions. [2022-11-22 01:39:15,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:15,527 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 233 transitions. [2022-11-22 01:39:15,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-22 01:39:15,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:15,528 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 1, 1, 1, 1, 1] [2022-11-22 01:39:15,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-22 01:39:15,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:15,734 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-22 01:39:15,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:15,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1498501119, now seen corresponding path program 2 times [2022-11-22 01:39:15,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:15,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844569552] [2022-11-22 01:39:15,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:15,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:15,752 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:39:15,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934875868] [2022-11-22 01:39:15,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:39:15,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:15,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:15,754 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:15,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-22 01:39:15,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-22 01:39:15,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:39:15,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:39:15,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:39:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-22 01:39:15,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:39:15,943 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-22 01:39:15,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:15,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844569552] [2022-11-22 01:39:15,944 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:39:15,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934875868] [2022-11-22 01:39:15,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934875868] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:39:15,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1028602483] [2022-11-22 01:39:15,946 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-22 01:39:15,946 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:39:15,946 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:39:15,946 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:39:15,946 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:39:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:15,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:15,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:16,088 INFO L321 Elim1Store]: treesize reduction 190, result has 19.1 percent of original size [2022-11-22 01:39:16,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 93 [2022-11-22 01:39:16,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:16,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:16,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:16,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 61 [2022-11-22 01:39:16,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:16,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:16,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2022-11-22 01:39:16,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:16,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:16,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2022-11-22 01:39:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:16,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:16,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:16,547 INFO L321 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2022-11-22 01:39:16,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 477 treesize of output 446 [2022-11-22 01:39:16,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:16,669 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:16,669 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:16,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:16,958 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:16,959 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:16,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:16,988 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:16,989 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:17,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:17,069 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:17,069 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:17,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:17,156 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:17,157 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:17,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:17,266 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:17,267 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:17,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:17,301 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:17,302 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:17,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:17,381 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:17,381 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:17,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:17,447 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:17,448 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:17,761 INFO L321 Elim1Store]: treesize reduction 294, result has 12.5 percent of original size [2022-11-22 01:39:17,762 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 3 case distinctions, treesize of input 326 treesize of output 307 [2022-11-22 01:39:17,925 INFO L321 Elim1Store]: treesize reduction 294, result has 12.5 percent of original size [2022-11-22 01:39:17,926 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 3 case distinctions, treesize of input 326 treesize of output 307 [2022-11-22 01:39:18,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:18,020 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:18,021 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:18,079 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:39:19,452 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5963#(and (< 2147483646 |ULTIMATE.start_main_~j~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (= |ULTIMATE.start_main_~p~0#1| 1800) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) (<= 1800 |ULTIMATE.start_main_~k~0#1|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| 1500) (= |#NULL.base| 0))' at error location [2022-11-22 01:39:19,452 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:39:19,452 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:39:19,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 4 [2022-11-22 01:39:19,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300221995] [2022-11-22 01:39:19,453 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-22 01:39:19,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:39:19,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:19,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:39:19,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2022-11-22 01:39:19,454 INFO L87 Difference]: Start difference. First operand 208 states and 233 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 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) [2022-11-22 01:39:19,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:19,572 INFO L93 Difference]: Finished difference Result 208 states and 233 transitions. [2022-11-22 01:39:19,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:39:19,573 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 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 33 [2022-11-22 01:39:19,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:19,574 INFO L225 Difference]: With dead ends: 208 [2022-11-22 01:39:19,575 INFO L226 Difference]: Without dead ends: 205 [2022-11-22 01:39:19,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2022-11-22 01:39:19,576 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 112 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:19,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 27 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:39:19,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-11-22 01:39:19,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 121. [2022-11-22 01:39:19,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 118 states have (on average 1.1610169491525424) internal successors, (137), 120 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:19,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 137 transitions. [2022-11-22 01:39:19,588 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 137 transitions. Word has length 33 [2022-11-22 01:39:19,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:19,588 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 137 transitions. [2022-11-22 01:39:19,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 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) [2022-11-22 01:39:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 137 transitions. [2022-11-22 01:39:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-22 01:39:19,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:19,590 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-22 01:39:19,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-22 01:39:19,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-22 01:39:19,796 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-22 01:39:19,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:19,796 INFO L85 PathProgramCache]: Analyzing trace with hash 2010472983, now seen corresponding path program 1 times [2022-11-22 01:39:19,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:19,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993317670] [2022-11-22 01:39:19,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:19,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:19,809 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:39:19,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [402992274] [2022-11-22 01:39:19,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:19,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:19,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:19,811 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:19,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-22 01:39:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:19,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 01:39:19,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:39:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 61 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-22 01:39:20,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:39:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 61 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-22 01:39:20,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:20,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993317670] [2022-11-22 01:39:20,113 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:39:20,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402992274] [2022-11-22 01:39:20,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402992274] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:39:20,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [79588650] [2022-11-22 01:39:20,120 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-22 01:39:20,124 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:39:20,125 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:39:20,125 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:39:20,125 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:39:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,275 INFO L321 Elim1Store]: treesize reduction 190, result has 19.1 percent of original size [2022-11-22 01:39:20,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 93 [2022-11-22 01:39:20,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 61 [2022-11-22 01:39:20,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2022-11-22 01:39:20,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2022-11-22 01:39:20,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:39:20,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:20,665 INFO L321 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2022-11-22 01:39:20,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 477 treesize of output 446 [2022-11-22 01:39:20,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:20,782 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:20,782 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:20,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:21,010 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:21,011 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:21,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:21,051 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:21,051 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:21,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:21,113 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:21,113 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:21,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:21,194 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:21,195 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:21,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:21,285 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:21,285 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:21,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:21,318 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:21,318 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:21,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:21,389 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:21,389 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:21,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:21,460 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:21,460 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:21,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:21,733 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:21,734 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:21,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:21,771 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:21,771 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:21,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:21,854 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:21,854 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:21,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:21,897 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:21,898 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,075 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,075 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,109 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,109 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,175 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,175 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,228 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,229 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,308 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,309 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,342 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,342 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,414 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,415 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,457 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,458 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,629 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,630 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,677 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,677 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,759 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,760 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,868 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,868 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,901 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,902 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:22,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:22,976 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:22,977 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,022 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,022 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,099 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,100 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,135 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,135 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,222 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,223 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,266 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,266 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,367 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,399 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,400 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,465 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,466 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,521 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,522 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,712 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,712 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,749 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,749 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,818 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,818 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,915 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,916 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:23,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:23,988 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:23,989 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:24,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:24,018 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:24,018 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:24,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:24,082 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:24,082 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:24,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:24,126 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:24,126 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:24,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:24,318 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:24,318 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:24,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:24,349 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:24,349 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:24,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:24,422 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:24,422 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:24,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:24,474 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:24,475 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:24,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:24,664 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:24,664 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:24,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:24,691 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:24,691 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:24,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:24,752 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:24,752 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:24,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:24,829 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:24,830 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:24,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:24,905 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:24,906 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:24,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:24,953 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:24,953 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:25,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:25,021 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:25,021 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:25,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:25,061 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:25,061 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:25,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:25,268 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:25,268 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:25,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:25,296 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:25,297 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:25,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:25,365 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:25,365 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:25,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:39:25,406 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:39:25,407 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 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-22 01:39:25,454 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:39:29,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [79588650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:39:29,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:39:29,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 7] total 22 [2022-11-22 01:39:29,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142262898] [2022-11-22 01:39:29,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:39:29,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 01:39:29,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:29,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 01:39:29,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2022-11-22 01:39:29,387 INFO L87 Difference]: Start difference. First operand 121 states and 137 transitions. Second operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:32,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:32,738 INFO L93 Difference]: Finished difference Result 121 states and 137 transitions. [2022-11-22 01:39:32,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:39:32,739 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-11-22 01:39:32,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:32,739 INFO L225 Difference]: With dead ends: 121 [2022-11-22 01:39:32,739 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:39:32,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2022-11-22 01:39:32,741 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:32,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 0 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:39:32,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:39:32,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:39:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:39:32,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2022-11-22 01:39:32,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:32,743 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:39:32,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:39:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:39:32,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:39:32,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2022-11-22 01:39:32,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2022-11-22 01:39:32,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2022-11-22 01:39:32,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2022-11-22 01:39:32,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2022-11-22 01:39:32,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2022-11-22 01:39:32,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2022-11-22 01:39:32,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2022-11-22 01:39:32,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2022-11-22 01:39:32,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2022-11-22 01:39:32,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2022-11-22 01:39:32,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2022-11-22 01:39:32,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2022-11-22 01:39:32,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2022-11-22 01:39:32,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2022-11-22 01:39:32,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2022-11-22 01:39:32,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2022-11-22 01:39:32,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2022-11-22 01:39:32,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-22 01:39:32,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-22 01:39:32,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 01:39:35,399 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-22 01:39:35,399 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2022-11-22 01:39:35,400 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-11-22 01:39:35,400 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-22 01:39:35,400 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-11-22 01:39:35,400 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-22 01:39:35,400 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-22 01:39:35,400 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 01:39:35,401 INFO L895 garLoopResultBuilder]: At program point L28-2(lines 28 41) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~k~0#1|)) (.cse2 (<= |ULTIMATE.start_main_~#C~0#1.offset| 0)) (.cse3 (<= |ULTIMATE.start_main_~m~0#1| 1000)) (.cse4 (<= |ULTIMATE.start_main_~#B~0#1.offset| 0)) (.cse5 (<= |ULTIMATE.start_main_~#A~0#1.offset| 0)) (.cse6 (<= 1500 |ULTIMATE.start_main_~n~0#1|)) (.cse7 (<= 0 |ULTIMATE.start_main_~#B~0#1.offset|)) (.cse8 (<= 1000 |ULTIMATE.start_main_~m~0#1|)) (.cse9 (<= 1800 |ULTIMATE.start_main_~p~0#1|)) (.cse10 (<= |#NULL.offset| 0)) (.cse11 (<= 0 |ULTIMATE.start_main_~#C~0#1.offset|)) (.cse12 (<= |ULTIMATE.start_main_~n~0#1| 1500)) (.cse13 (<= 0 |ULTIMATE.start_main_~#A~0#1.offset|)) (.cse14 (<= |ULTIMATE.start_main_~p~0#1| 1800)) (.cse16 (<= 0 |#NULL.offset|)) (.cse17 (= |#NULL.base| 0))) (or (let ((.cse1 (* (mod (* |ULTIMATE.start_main_~m~0#1| |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~p~0#1|) 1073741824) 4)) (.cse15 (select |#memory_int| 1))) (and .cse0 (= (select |#length| |ULTIMATE.start_main_~#A~0#1.base|) .cse1) .cse2 .cse3 (= (select |#length| 3) 12) .cse4 .cse5 .cse6 (= 13 (select |#length| 2)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#A~0#1.base|) .cse7 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#B~0#1.base|) (<= |ULTIMATE.start_main_~i~0#1| 0) .cse8 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) .cse9 (= (select |#valid| |ULTIMATE.start_main_~#A~0#1.base|) 1) .cse10 (= (select |#length| |ULTIMATE.start_main_~#C~0#1.base|) .cse1) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#C~0#1.base|) (= (select |#length| |ULTIMATE.start_main_~#B~0#1.base|) .cse1) (= (select |#valid| |ULTIMATE.start_main_~#C~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= (select |#valid| |ULTIMATE.start_main_~#B~0#1.base|) 1) (<= |ULTIMATE.start_main_~k~0#1| 0) .cse11 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse12 .cse13 (= (select |#valid| 1) 1) .cse14 (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse15 0) 48) (not (= |ULTIMATE.start_main_~#C~0#1.base| |ULTIMATE.start_main_~#A~0#1.base|)) (not (= |ULTIMATE.start_main_~#B~0#1.base| |ULTIMATE.start_main_~#A~0#1.base|)) .cse16 (= (select .cse15 1) 0) (not (= |ULTIMATE.start_main_~#C~0#1.base| |ULTIMATE.start_main_~#B~0#1.base|)) (< 0 |#StackHeapBarrier|) .cse17 (<= |ULTIMATE.start_main_~j~0#1| 0))) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 1500 |ULTIMATE.start_main_~j~0#1|) .cse7 (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) .cse16 (<= 0 |#StackHeapBarrier|) .cse17))) [2022-11-22 01:39:35,401 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2022-11-22 01:39:35,402 INFO L895 garLoopResultBuilder]: At program point L53-2(lines 53 56) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1000) (= |ULTIMATE.start_main_~p~0#1| 1800) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~j~0#1| 1499) (= |#NULL.base| 0)) [2022-11-22 01:39:35,402 INFO L899 garLoopResultBuilder]: For program point L53-3(lines 53 56) no Hoare annotation was computed. [2022-11-22 01:39:35,402 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-22 01:39:35,402 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-22 01:39:35,402 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2022-11-22 01:39:35,403 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-11-22 01:39:35,403 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-22 01:39:35,403 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-22 01:39:35,403 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 78) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~m~0#1| 1000)) (.cse1 (= |ULTIMATE.start_main_~#C~0#1.offset| 0)) (.cse2 (<= 0 |ULTIMATE.start_main_~#A~0#1.base|)) (.cse3 (<= 0 |ULTIMATE.start_main_~j~0#1|)) (.cse13 (<= |ULTIMATE.start_main_~i~0#1| 1000)) (.cse4 (= |ULTIMATE.start_main_~#A~0#1.offset| 0)) (.cse5 (= |#NULL.offset| 0)) (.cse6 (<= 0 |ULTIMATE.start_main_~#B~0#1.base|)) (.cse7 (= |ULTIMATE.start_main_~#B~0#1.offset| 0)) (.cse8 (<= 0 |ULTIMATE.start_main_~#C~0#1.base|)) (.cse10 (<= 0 |#StackHeapBarrier|)) (.cse11 (= |ULTIMATE.start_main_~n~0#1| 1500)) (.cse12 (= |#NULL.base| 0))) (or (and (<= 1800 |ULTIMATE.start_main_~p~0#1|) (let ((.cse9 (<= 1800 |ULTIMATE.start_main_~k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse13 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) .cse0 .cse1 .cse2 .cse3 .cse13 (<= |ULTIMATE.start_main_~k~0#1| 0) (= |ULTIMATE.start_main_~p~0#1| 1800) .cse4 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse10 .cse11 .cse12 (<= |ULTIMATE.start_main_~j~0#1| 0)))) [2022-11-22 01:39:35,403 INFO L899 garLoopResultBuilder]: For program point L71-3(lines 71 78) no Hoare annotation was computed. [2022-11-22 01:39:35,404 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-22 01:39:35,404 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-11-22 01:39:35,404 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-22 01:39:35,404 INFO L895 garLoopResultBuilder]: At program point L31-2(lines 31 39) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~m~0#1| 1000)) (.cse1 (= |ULTIMATE.start_main_~#C~0#1.offset| 0)) (.cse2 (<= 0 |ULTIMATE.start_main_~#A~0#1.base|)) (.cse3 (<= 0 |ULTIMATE.start_main_~j~0#1|)) (.cse13 (<= |ULTIMATE.start_main_~i~0#1| 1000)) (.cse4 (= |ULTIMATE.start_main_~#A~0#1.offset| 0)) (.cse5 (= |#NULL.offset| 0)) (.cse6 (<= 0 |ULTIMATE.start_main_~#B~0#1.base|)) (.cse7 (= |ULTIMATE.start_main_~#B~0#1.offset| 0)) (.cse8 (<= 0 |ULTIMATE.start_main_~#C~0#1.base|)) (.cse10 (<= 0 |#StackHeapBarrier|)) (.cse11 (= |ULTIMATE.start_main_~n~0#1| 1500)) (.cse12 (= |#NULL.base| 0))) (or (and (<= 1800 |ULTIMATE.start_main_~p~0#1|) (let ((.cse9 (<= 1800 |ULTIMATE.start_main_~k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse13 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) .cse0 .cse1 .cse2 .cse3 .cse13 (<= |ULTIMATE.start_main_~k~0#1| 0) (= |ULTIMATE.start_main_~p~0#1| 1800) .cse4 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse10 .cse11 .cse12 (<= |ULTIMATE.start_main_~j~0#1| 0)))) [2022-11-22 01:39:35,405 INFO L899 garLoopResultBuilder]: For program point L31-3(lines 31 39) no Hoare annotation was computed. [2022-11-22 01:39:35,405 INFO L895 garLoopResultBuilder]: At program point L48-2(lines 48 60) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~k~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~#A~0#1.base|)) (.cse2 (<= 0 |ULTIMATE.start_main_~#B~0#1.base|)) (.cse3 (<= 0 |ULTIMATE.start_main_~#C~0#1.base|)) (.cse4 (<= 0 |#StackHeapBarrier|)) (.cse5 (= |#NULL.base| 0))) (or (and .cse0 (= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 0) (= |ULTIMATE.start_main_~p~0#1| 1800) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) .cse2 (= |ULTIMATE.start_main_~#B~0#1.offset| 0) .cse3 .cse4 (= |ULTIMATE.start_main_~n~0#1| 1500) .cse5 (<= |ULTIMATE.start_main_~j~0#1| 0)) (and .cse0 (<= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 1500 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~#B~0#1.offset|) .cse1 (<= 1000 |ULTIMATE.start_main_~m~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.offset|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= 0 |ULTIMATE.start_main_~#A~0#1.offset|) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646) .cse2 .cse3 (<= 0 |#NULL.offset|) .cse4 .cse5))) [2022-11-22 01:39:35,405 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-22 01:39:35,405 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-11-22 01:39:35,406 INFO L895 garLoopResultBuilder]: At program point L73-2(lines 73 76) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1000) (= |ULTIMATE.start_main_~p~0#1| 1800) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~j~0#1| 1499) (= |#NULL.base| 0)) [2022-11-22 01:39:35,406 INFO L899 garLoopResultBuilder]: For program point L73-3(lines 73 76) no Hoare annotation was computed. [2022-11-22 01:39:35,406 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-11-22 01:39:35,406 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2022-11-22 01:39:35,406 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 75) no Hoare annotation was computed. [2022-11-22 01:39:35,406 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:39:35,407 INFO L895 garLoopResultBuilder]: At program point L33-2(lines 33 37) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1000) (= |ULTIMATE.start_main_~p~0#1| 1800) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~j~0#1| 1499) (= |#NULL.base| 0)) [2022-11-22 01:39:35,407 INFO L899 garLoopResultBuilder]: For program point L33-3(lines 33 37) no Hoare annotation was computed. [2022-11-22 01:39:35,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-11-22 01:39:35,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 75) no Hoare annotation was computed. [2022-11-22 01:39:35,407 INFO L899 garLoopResultBuilder]: For program point L75(line 75) no Hoare annotation was computed. [2022-11-22 01:39:35,408 INFO L899 garLoopResultBuilder]: For program point L75-1(line 75) no Hoare annotation was computed. [2022-11-22 01:39:35,408 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-22 01:39:35,408 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-11-22 01:39:35,408 INFO L895 garLoopResultBuilder]: At program point L51-2(lines 51 58) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~m~0#1| 1000)) (.cse1 (= |ULTIMATE.start_main_~#C~0#1.offset| 0)) (.cse2 (<= 0 |ULTIMATE.start_main_~#A~0#1.base|)) (.cse3 (<= 0 |ULTIMATE.start_main_~j~0#1|)) (.cse13 (<= |ULTIMATE.start_main_~i~0#1| 1000)) (.cse4 (= |ULTIMATE.start_main_~#A~0#1.offset| 0)) (.cse5 (= |#NULL.offset| 0)) (.cse6 (<= 0 |ULTIMATE.start_main_~#B~0#1.base|)) (.cse7 (= |ULTIMATE.start_main_~#B~0#1.offset| 0)) (.cse8 (<= 0 |ULTIMATE.start_main_~#C~0#1.base|)) (.cse10 (<= 0 |#StackHeapBarrier|)) (.cse11 (= |ULTIMATE.start_main_~n~0#1| 1500)) (.cse12 (= |#NULL.base| 0))) (or (and (<= 1800 |ULTIMATE.start_main_~p~0#1|) (let ((.cse9 (<= 1800 |ULTIMATE.start_main_~k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse13 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) .cse0 .cse1 .cse2 .cse3 .cse13 (<= |ULTIMATE.start_main_~k~0#1| 0) (= |ULTIMATE.start_main_~p~0#1| 1800) .cse4 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse10 .cse11 .cse12 (<= |ULTIMATE.start_main_~j~0#1| 0)))) [2022-11-22 01:39:35,409 INFO L899 garLoopResultBuilder]: For program point L51-3(lines 51 58) no Hoare annotation was computed. [2022-11-22 01:39:35,409 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2022-11-22 01:39:35,409 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-22 01:39:35,409 INFO L895 garLoopResultBuilder]: At program point L68-2(lines 68 80) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~k~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~#A~0#1.base|)) (.cse2 (<= 0 |ULTIMATE.start_main_~#B~0#1.base|)) (.cse3 (<= 0 |ULTIMATE.start_main_~#C~0#1.base|)) (.cse4 (<= 0 |#StackHeapBarrier|)) (.cse5 (= |#NULL.base| 0))) (or (and .cse0 (= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 0) (= |ULTIMATE.start_main_~p~0#1| 1800) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) .cse2 (= |ULTIMATE.start_main_~#B~0#1.offset| 0) .cse3 .cse4 (= |ULTIMATE.start_main_~n~0#1| 1500) .cse5 (<= |ULTIMATE.start_main_~j~0#1| 0)) (and .cse0 (<= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 1500 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~#B~0#1.offset|) .cse1 (<= 1000 |ULTIMATE.start_main_~m~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.offset|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= 0 |ULTIMATE.start_main_~#A~0#1.offset|) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646) .cse2 .cse3 (<= 0 |#NULL.offset|) .cse4 .cse5))) [2022-11-22 01:39:35,413 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:39:35,415 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:39:35,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:39:35 BoogieIcfgContainer [2022-11-22 01:39:35,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:39:35,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:39:35,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:39:35,450 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:39:35,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:39:01" (3/4) ... [2022-11-22 01:39:35,462 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:39:35,474 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-22 01:39:35,475 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-22 01:39:35,475 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 01:39:35,475 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:39:35,532 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:39:35,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:39:35,533 INFO L158 Benchmark]: Toolchain (without parser) took 34711.09ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 157.1MB in the beginning and 207.0MB in the end (delta: -49.8MB). Peak memory consumption was 158.5MB. Max. memory is 16.1GB. [2022-11-22 01:39:35,534 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 134.2MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:39:35,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.73ms. Allocated memory is still 188.7MB. Free memory was 157.1MB in the beginning and 146.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:39:35,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.03ms. Allocated memory is still 188.7MB. Free memory was 146.3MB in the beginning and 144.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:39:35,535 INFO L158 Benchmark]: Boogie Preprocessor took 33.04ms. Allocated memory is still 188.7MB. Free memory was 144.2MB in the beginning and 143.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:39:35,540 INFO L158 Benchmark]: RCFGBuilder took 557.45ms. Allocated memory is still 188.7MB. Free memory was 142.4MB in the beginning and 124.7MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 01:39:35,540 INFO L158 Benchmark]: TraceAbstraction took 33651.05ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 124.1MB in the beginning and 211.2MB in the end (delta: -87.1MB). Peak memory consumption was 202.9MB. Max. memory is 16.1GB. [2022-11-22 01:39:35,541 INFO L158 Benchmark]: Witness Printer took 82.19ms. Allocated memory is still 394.3MB. Free memory was 211.2MB in the beginning and 207.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:39:35,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 134.2MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.73ms. Allocated memory is still 188.7MB. Free memory was 157.1MB in the beginning and 146.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.03ms. Allocated memory is still 188.7MB. Free memory was 146.3MB in the beginning and 144.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.04ms. Allocated memory is still 188.7MB. Free memory was 144.2MB in the beginning and 143.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 557.45ms. Allocated memory is still 188.7MB. Free memory was 142.4MB in the beginning and 124.7MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 33651.05ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 124.1MB in the beginning and 211.2MB in the end (delta: -87.1MB). Peak memory consumption was 202.9MB. Max. memory is 16.1GB. * Witness Printer took 82.19ms. Allocated memory is still 394.3MB. Free memory was 211.2MB in the beginning and 207.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: 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, 47 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 33.5s, OverallIterations: 13, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 945 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 945 mSDsluCounter, 528 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 222 mSDsCounter, 388 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 689 IncrementalHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 388 mSolverCounterUnsat, 306 mSDtfsCounter, 689 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 379 GetRequests, 292 SyntacticMatches, 2 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 12.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=8, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 372 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 57 NumberOfFragments, 1162 HoareAnnotationTreeSize, 9 FomulaSimplifications, 908 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4956 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 161 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 706 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1353 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 336/510 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: 5.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 35, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 270, TOOLS_POST_TIME: 4.4s, 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: 270, TOOLS_QUANTIFIERELIM_TIME: 4.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 424, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 34, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 38, DOMAIN_WIDEN_TIME: 0.4s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 60, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 35, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 22, LOOP_SUMMARIZER_CACHE_MISSES: 22, LOOP_SUMMARIZER_OVERALL_TIME: 4.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 4.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 60, 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: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 796, DAG_COMPRESSION_RETAINED_NODES: 74, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: ((((1800 <= p && ((((((((((((((i == 0 && m == 1000) && C == 0) && 0 <= A) && 0 <= j) && A == 0) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 1800 <= k) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) || ((((((((((((((m == 1000 && 1 <= i) && C == 0) && 0 <= A) && 0 <= j) && i <= 1000) && A == 0) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 1800 <= k) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0))) && p <= 1800) && k <= 2147483646) && j <= 2147483646) || (((((((((((((((((0 <= k && m == 1000) && C == 0) && 0 <= A) && 0 <= j) && i <= 1000) && k <= 0) && p == 1800) && A == 0) && 0 <= i) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) && j <= 0) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((1800 <= p && ((((((((((((((i == 0 && m == 1000) && C == 0) && 0 <= A) && 0 <= j) && A == 0) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 1800 <= k) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) || ((((((((((((((m == 1000 && 1 <= i) && C == 0) && 0 <= A) && 0 <= j) && i <= 1000) && A == 0) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 1800 <= k) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0))) && p <= 1800) && k <= 2147483646) && j <= 2147483646) || (((((((((((((((((0 <= k && m == 1000) && C == 0) && 0 <= A) && 0 <= j) && i <= 1000) && k <= 0) && p == 1800) && A == 0) && 0 <= i) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) && j <= 0) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (((((((((((((((((0 <= k && m == 1000) && C == 0) && 0 <= A) && i <= 0) && 0 <= j) && k <= 0) && p == 1800) && A == 0) && 0 <= i) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) && j <= 0) || (((((((((((((((((((((((0 <= k && C <= 0) && m <= 1000) && B <= 0) && A <= 0) && 1500 <= n) && 1 <= i) && 1500 <= j) && 0 <= B) && 0 <= A) && 1000 <= m) && 1800 <= p) && #NULL <= 0) && 0 <= C) && n <= 1500) && 0 <= A) && p <= 1800) && k <= 2147483646) && j <= 2147483646) && 0 <= B) && 0 <= C) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((((((((((((((((0 <= k && m == 1000) && C == 0) && 0 <= A) && 0 <= j) && i <= 1000) && p == 1800) && A == 0) && 0 <= i) && k <= 2147483646) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && j <= 1499) && #NULL == 0 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((0 <= k && m == 1000) && C == 0) && 0 <= A) && 0 <= j) && i <= 1000) && p == 1800) && A == 0) && 0 <= i) && k <= 2147483646) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && j <= 1499) && #NULL == 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((0 <= k && unknown-#length-unknown[A] == m * n * p % 1073741824 * 4) && C <= 0) && m <= 1000) && unknown-#length-unknown[3] == 12) && B <= 0) && A <= 0) && 1500 <= n) && 13 == unknown-#length-unknown[2]) && unknown-#StackHeapBarrier-unknown < A) && 0 <= B) && unknown-#StackHeapBarrier-unknown < B) && i <= 0) && 1000 <= m) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 1800 <= p) && \valid[A] == 1) && #NULL <= 0) && unknown-#length-unknown[C] == m * n * p % 1073741824 * 4) && unknown-#StackHeapBarrier-unknown < C) && unknown-#length-unknown[B] == m * n * p % 1073741824 * 4) && \valid[C] == 1) && 0 <= j) && \valid[B] == 1) && k <= 0) && 0 <= C) && 0 <= i) && n <= 1500) && 0 <= A) && \valid[1] == 1) && p <= 1800) && \valid[0] == 0) && \valid[2] == 1) && unknown-#memory_int-unknown[1][0] == 48) && !(C == A)) && !(B == A)) && 0 <= #NULL) && unknown-#memory_int-unknown[1][1] == 0) && !(C == B)) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && j <= 0) || (((((((((((((((((((((((0 <= k && C <= 0) && m <= 1000) && B <= 0) && A <= 0) && 1500 <= n) && 1 <= i) && 1500 <= j) && 0 <= B) && 0 <= A) && 1000 <= m) && 1800 <= p) && #NULL <= 0) && 0 <= C) && n <= 1500) && 0 <= A) && p <= 1800) && k <= 2147483646) && j <= 2147483646) && 0 <= B) && 0 <= C) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((((1800 <= p && ((((((((((((((i == 0 && m == 1000) && C == 0) && 0 <= A) && 0 <= j) && A == 0) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 1800 <= k) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) || ((((((((((((((m == 1000 && 1 <= i) && C == 0) && 0 <= A) && 0 <= j) && i <= 1000) && A == 0) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 1800 <= k) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0))) && p <= 1800) && k <= 2147483646) && j <= 2147483646) || (((((((((((((((((0 <= k && m == 1000) && C == 0) && 0 <= A) && 0 <= j) && i <= 1000) && k <= 0) && p == 1800) && A == 0) && 0 <= i) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) && j <= 0) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((((((((((((((((0 <= k && m == 1000) && C == 0) && 0 <= A) && 0 <= j) && i <= 1000) && p == 1800) && A == 0) && 0 <= i) && k <= 2147483646) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && j <= 1499) && #NULL == 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((((((((((((((((0 <= k && m == 1000) && C == 0) && 0 <= A) && i <= 0) && 0 <= j) && k <= 0) && p == 1800) && A == 0) && 0 <= i) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) && j <= 0) || (((((((((((((((((((((((0 <= k && C <= 0) && m <= 1000) && B <= 0) && A <= 0) && 1500 <= n) && 1 <= i) && 1500 <= j) && 0 <= B) && 0 <= A) && 1000 <= m) && 1800 <= p) && #NULL <= 0) && 0 <= C) && n <= 1500) && 0 <= A) && p <= 1800) && k <= 2147483646) && j <= 2147483646) && 0 <= B) && 0 <= C) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-22 01:39:35,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0117088c-b6ff-4d1f-8ae1-de47ef7631c0/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE