./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/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_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS --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-8393723 [2022-11-19 07:15:45,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:15:45,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:15:45,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:15:45,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:15:45,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:15:45,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:15:45,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:15:45,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:15:45,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:15:45,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:15:45,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:15:45,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:15:45,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:15:45,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:15:45,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:15:45,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:15:45,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:15:45,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:15:45,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:15:45,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:15:45,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:15:45,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:15:45,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:15:45,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:15:45,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:15:45,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:15:45,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:15:45,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:15:45,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:15:45,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:15:45,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:15:45,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:15:45,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:15:45,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:15:45,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:15:45,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:15:45,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:15:45,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:15:45,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:15:45,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:15:45,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:15:45,987 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:15:45,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:15:45,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:15:45,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:15:45,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:15:45,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:15:45,990 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:15:45,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:15:45,990 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:15:45,990 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:15:45,991 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:15:45,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:15:45,992 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:15:45,992 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:15:45,992 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:15:45,992 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:15:45,993 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:15:45,993 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:15:45,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:15:45,994 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:15:45,994 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:15:45,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:15:45,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:15:45,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:15:45,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:15:45,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:15:45,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:15:45,997 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:15:45,997 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:15:45,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:15:45,998 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:15:45,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:15:45,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:15:45,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:15:45,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:15:46,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:15:46,000 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:15:46,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:15:46,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:15:46,000 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:15:46,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:15:46,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:15:46,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:15:46,001 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_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae698f02be6e3657db0e7ca3e62c4cfb121d43a876624ed4d21d19b033e0c02e [2022-11-19 07:15:46,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:15:46,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:15:46,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:15:46,316 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:15:46,317 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:15:46,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c [2022-11-19 07:15:46,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/data/539c7f63c/235c0c9975c94481a44fab2a811a4ebd/FLAG93082aa03 [2022-11-19 07:15:46,913 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:15:46,914 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c [2022-11-19 07:15:46,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/data/539c7f63c/235c0c9975c94481a44fab2a811a4ebd/FLAG93082aa03 [2022-11-19 07:15:47,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/data/539c7f63c/235c0c9975c94481a44fab2a811a4ebd [2022-11-19 07:15:47,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:15:47,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:15:47,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:15:47,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:15:47,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:15:47,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:15:47" (1/1) ... [2022-11-19 07:15:47,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679812d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47, skipping insertion in model container [2022-11-19 07:15:47,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:15:47" (1/1) ... [2022-11-19 07:15:47,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:15:47,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:15:47,559 WARN L234 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_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c[322,335] [2022-11-19 07:15:47,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:15:47,616 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:15:47,632 WARN L234 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_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c[322,335] [2022-11-19 07:15:47,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:15:47,677 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:15:47,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47 WrapperNode [2022-11-19 07:15:47,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:15:47,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:15:47,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:15:47,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:15:47,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47" (1/1) ... [2022-11-19 07:15:47,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47" (1/1) ... [2022-11-19 07:15:47,721 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 136 [2022-11-19 07:15:47,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:15:47,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:15:47,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:15:47,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:15:47,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47" (1/1) ... [2022-11-19 07:15:47,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47" (1/1) ... [2022-11-19 07:15:47,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47" (1/1) ... [2022-11-19 07:15:47,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47" (1/1) ... [2022-11-19 07:15:47,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47" (1/1) ... [2022-11-19 07:15:47,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47" (1/1) ... [2022-11-19 07:15:47,766 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47" (1/1) ... [2022-11-19 07:15:47,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47" (1/1) ... [2022-11-19 07:15:47,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:15:47,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:15:47,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:15:47,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:15:47,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47" (1/1) ... [2022-11-19 07:15:47,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:15:47,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:47,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:15:47,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:15:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:15:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:15:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:15:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:15:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:15:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:15:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:15:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:15:47,968 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:15:47,970 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:15:48,268 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:15:48,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:15:48,320 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-19 07:15:48,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:15:48 BoogieIcfgContainer [2022-11-19 07:15:48,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:15:48,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:15:48,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:15:48,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:15:48,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:15:47" (1/3) ... [2022-11-19 07:15:48,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d460aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:15:48, skipping insertion in model container [2022-11-19 07:15:48,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:47" (2/3) ... [2022-11-19 07:15:48,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d460aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:15:48, skipping insertion in model container [2022-11-19 07:15:48,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:15:48" (3/3) ... [2022-11-19 07:15:48,331 INFO L112 eAbstractionObserver]: Analyzing ICFG diff-3-n-u.c [2022-11-19 07:15:48,349 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:15:48,350 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-19 07:15:48,400 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:15:48,407 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;@65bcdf0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:15:48,407 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-11-19 07:15:48,421 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) [2022-11-19 07:15:48,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:15:48,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:48,430 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:15:48,431 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)] === [2022-11-19 07:15:48,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:48,444 INFO L85 PathProgramCache]: Analyzing trace with hash 5825378, now seen corresponding path program 1 times [2022-11-19 07:15:48,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:48,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97855451] [2022-11-19 07:15:48,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:48,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:48,570 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:48,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1947108676] [2022-11-19 07:15:48,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:48,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:48,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:48,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:48,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:15:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:48,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:15:48,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:48,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:15:48,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:15:48,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:48,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97855451] [2022-11-19 07:15:48,746 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:48,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947108676] [2022-11-19 07:15:48,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947108676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:48,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:15:48,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:15:48,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564562747] [2022-11-19 07:15:48,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:48,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:15:48,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:48,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:15:48,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:48,803 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) [2022-11-19 07:15:48,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:48,929 INFO L93 Difference]: Finished difference Result 90 states and 109 transitions. [2022-11-19 07:15:48,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:15:48,932 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 [2022-11-19 07:15:48,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:48,940 INFO L225 Difference]: With dead ends: 90 [2022-11-19 07:15:48,940 INFO L226 Difference]: Without dead ends: 85 [2022-11-19 07:15:48,943 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 [2022-11-19 07:15:48,946 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 [2022-11-19 07:15:48,947 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] [2022-11-19 07:15:48,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-19 07:15:49,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 70. [2022-11-19 07:15:49,005 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) [2022-11-19 07:15:49,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2022-11-19 07:15:49,009 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 4 [2022-11-19 07:15:49,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:49,010 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2022-11-19 07:15:49,010 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) [2022-11-19 07:15:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2022-11-19 07:15:49,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 07:15:49,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:49,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 07:15:49,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:15:49,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 07:15:49,228 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)] === [2022-11-19 07:15:49,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:49,229 INFO L85 PathProgramCache]: Analyzing trace with hash 180586795, now seen corresponding path program 1 times [2022-11-19 07:15:49,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:49,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619411698] [2022-11-19 07:15:49,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:49,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:49,245 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:49,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [548679819] [2022-11-19 07:15:49,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:49,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:49,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:49,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:49,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:15:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:49,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:15:49,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:49,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:15:49,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:15:49,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:49,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619411698] [2022-11-19 07:15:49,337 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:49,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548679819] [2022-11-19 07:15:49,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548679819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:49,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:15:49,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:15:49,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349505238] [2022-11-19 07:15:49,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:49,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:15:49,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:49,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:15:49,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:49,341 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) [2022-11-19 07:15:49,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:49,392 INFO L93 Difference]: Finished difference Result 70 states and 98 transitions. [2022-11-19 07:15:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:15:49,393 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 [2022-11-19 07:15:49,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:49,394 INFO L225 Difference]: With dead ends: 70 [2022-11-19 07:15:49,394 INFO L226 Difference]: Without dead ends: 67 [2022-11-19 07:15:49,395 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 [2022-11-19 07:15:49,396 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, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:15:49,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 27 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:15:49,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-19 07:15:49,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-19 07:15:49,406 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) [2022-11-19 07:15:49,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2022-11-19 07:15:49,412 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 5 [2022-11-19 07:15:49,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:49,413 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2022-11-19 07:15:49,413 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) [2022-11-19 07:15:49,413 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2022-11-19 07:15:49,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 07:15:49,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:49,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 07:15:49,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-19 07:15:49,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:49,619 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)] === [2022-11-19 07:15:49,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:49,620 INFO L85 PathProgramCache]: Analyzing trace with hash 180439040, now seen corresponding path program 1 times [2022-11-19 07:15:49,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:49,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956477373] [2022-11-19 07:15:49,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:49,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:49,641 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:49,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [143912383] [2022-11-19 07:15:49,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:49,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:49,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:49,643 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:49,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:15:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:49,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:15:49,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:15:49,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:15:49,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:49,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956477373] [2022-11-19 07:15:49,752 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:49,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143912383] [2022-11-19 07:15:49,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143912383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:49,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:15:49,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:15:49,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287528329] [2022-11-19 07:15:49,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:49,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:15:49,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:49,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:15:49,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:49,757 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) [2022-11-19 07:15:49,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:49,872 INFO L93 Difference]: Finished difference Result 127 states and 184 transitions. [2022-11-19 07:15:49,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:15:49,873 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 [2022-11-19 07:15:49,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:49,875 INFO L225 Difference]: With dead ends: 127 [2022-11-19 07:15:49,876 INFO L226 Difference]: Without dead ends: 124 [2022-11-19 07:15:49,876 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 [2022-11-19 07:15:49,878 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 [2022-11-19 07:15:49,878 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] [2022-11-19 07:15:49,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-19 07:15:49,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 97. [2022-11-19 07:15:49,893 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) [2022-11-19 07:15:49,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 149 transitions. [2022-11-19 07:15:49,896 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 149 transitions. Word has length 5 [2022-11-19 07:15:49,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:49,896 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 149 transitions. [2022-11-19 07:15:49,896 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) [2022-11-19 07:15:49,896 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2022-11-19 07:15:49,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 07:15:49,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:49,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 07:15:49,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:15:50,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:50,103 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)] === [2022-11-19 07:15:50,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:50,104 INFO L85 PathProgramCache]: Analyzing trace with hash 180434445, now seen corresponding path program 1 times [2022-11-19 07:15:50,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:50,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533257610] [2022-11-19 07:15:50,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:50,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:50,115 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:50,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1573738523] [2022-11-19 07:15:50,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:50,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:50,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:50,124 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:50,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:15:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:50,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:15:50,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:15:50,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:15:50,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:50,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533257610] [2022-11-19 07:15:50,221 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:50,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573738523] [2022-11-19 07:15:50,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573738523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:50,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:15:50,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:15:50,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524239860] [2022-11-19 07:15:50,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:50,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:15:50,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:50,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:15:50,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:50,228 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) [2022-11-19 07:15:50,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:50,359 INFO L93 Difference]: Finished difference Result 181 states and 280 transitions. [2022-11-19 07:15:50,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:15:50,360 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 [2022-11-19 07:15:50,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:50,362 INFO L225 Difference]: With dead ends: 181 [2022-11-19 07:15:50,362 INFO L226 Difference]: Without dead ends: 178 [2022-11-19 07:15:50,362 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 [2022-11-19 07:15:50,363 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 [2022-11-19 07:15:50,364 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] [2022-11-19 07:15:50,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-11-19 07:15:50,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 121. [2022-11-19 07:15:50,381 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) [2022-11-19 07:15:50,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 185 transitions. [2022-11-19 07:15:50,383 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 185 transitions. Word has length 5 [2022-11-19 07:15:50,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:50,383 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 185 transitions. [2022-11-19 07:15:50,383 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) [2022-11-19 07:15:50,384 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 185 transitions. [2022-11-19 07:15:50,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 07:15:50,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:50,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 07:15:50,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-19 07:15:50,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:50,598 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)] === [2022-11-19 07:15:50,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:50,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1298643014, now seen corresponding path program 1 times [2022-11-19 07:15:50,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:50,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364859988] [2022-11-19 07:15:50,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:50,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:50,608 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:50,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1230492028] [2022-11-19 07:15:50,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:50,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:50,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:50,610 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:50,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:15:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:50,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:15:50,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:15:50,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:15:50,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:50,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364859988] [2022-11-19 07:15:50,682 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:50,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230492028] [2022-11-19 07:15:50,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230492028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:50,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:15:50,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:15:50,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725485374] [2022-11-19 07:15:50,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:50,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:15:50,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:50,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:15:50,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:50,684 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) [2022-11-19 07:15:50,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:50,734 INFO L93 Difference]: Finished difference Result 121 states and 185 transitions. [2022-11-19 07:15:50,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:15:50,735 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 [2022-11-19 07:15:50,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:50,736 INFO L225 Difference]: With dead ends: 121 [2022-11-19 07:15:50,736 INFO L226 Difference]: Without dead ends: 118 [2022-11-19 07:15:50,736 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 [2022-11-19 07:15:50,737 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 [2022-11-19 07:15:50,738 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] [2022-11-19 07:15:50,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-19 07:15:50,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-11-19 07:15:50,753 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) [2022-11-19 07:15:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 179 transitions. [2022-11-19 07:15:50,755 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 179 transitions. Word has length 6 [2022-11-19 07:15:50,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:50,755 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 179 transitions. [2022-11-19 07:15:50,755 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) [2022-11-19 07:15:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 179 transitions. [2022-11-19 07:15:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 07:15:50,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:50,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 07:15:50,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:15:50,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:50,962 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)] === [2022-11-19 07:15:50,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:50,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1298500562, now seen corresponding path program 1 times [2022-11-19 07:15:50,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:50,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235531925] [2022-11-19 07:15:50,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:50,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:50,971 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:50,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [408058031] [2022-11-19 07:15:50,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:50,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:50,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:50,973 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:50,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 07:15:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:51,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:15:51,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:51,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:15:51,061 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:15:51,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:51,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235531925] [2022-11-19 07:15:51,062 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:51,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408058031] [2022-11-19 07:15:51,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408058031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:51,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:15:51,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:15:51,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849657193] [2022-11-19 07:15:51,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:51,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:15:51,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:51,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:15:51,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:51,065 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) [2022-11-19 07:15:51,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:51,114 INFO L93 Difference]: Finished difference Result 118 states and 179 transitions. [2022-11-19 07:15:51,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:15:51,114 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 [2022-11-19 07:15:51,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:51,115 INFO L225 Difference]: With dead ends: 118 [2022-11-19 07:15:51,116 INFO L226 Difference]: Without dead ends: 115 [2022-11-19 07:15:51,116 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 [2022-11-19 07:15:51,125 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 [2022-11-19 07:15:51,125 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] [2022-11-19 07:15:51,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-19 07:15:51,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-11-19 07:15:51,159 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) [2022-11-19 07:15:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 167 transitions. [2022-11-19 07:15:51,162 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 167 transitions. Word has length 6 [2022-11-19 07:15:51,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:51,169 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 167 transitions. [2022-11-19 07:15:51,169 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) [2022-11-19 07:15:51,169 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 167 transitions. [2022-11-19 07:15:51,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:15:51,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:51,170 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2022-11-19 07:15:51,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 07:15:51,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:51,371 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)] === [2022-11-19 07:15:51,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:51,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1732766119, now seen corresponding path program 1 times [2022-11-19 07:15:51,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:51,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050009877] [2022-11-19 07:15:51,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:51,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:51,380 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:51,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1788843799] [2022-11-19 07:15:51,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:51,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:51,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:51,383 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:51,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 07:15:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:51,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:15:51,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:15:51,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:15:51,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:51,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050009877] [2022-11-19 07:15:51,530 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:51,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788843799] [2022-11-19 07:15:51,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788843799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:51,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:15:51,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:15:51,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375426563] [2022-11-19 07:15:51,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:51,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:15:51,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:51,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:15:51,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:15:51,533 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) [2022-11-19 07:15:51,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:51,626 INFO L93 Difference]: Finished difference Result 222 states and 313 transitions. [2022-11-19 07:15:51,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:15:51,626 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 [2022-11-19 07:15:51,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:51,627 INFO L225 Difference]: With dead ends: 222 [2022-11-19 07:15:51,627 INFO L226 Difference]: Without dead ends: 124 [2022-11-19 07:15:51,628 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 [2022-11-19 07:15:51,629 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 [2022-11-19 07:15:51,630 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] [2022-11-19 07:15:51,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-19 07:15:51,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 115. [2022-11-19 07:15:51,647 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) [2022-11-19 07:15:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2022-11-19 07:15:51,648 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 8 [2022-11-19 07:15:51,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:51,648 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2022-11-19 07:15:51,649 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) [2022-11-19 07:15:51,649 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2022-11-19 07:15:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:15:51,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:51,650 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-19 07:15:51,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-19 07:15:51,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:51,859 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)] === [2022-11-19 07:15:51,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:51,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1976441164, now seen corresponding path program 1 times [2022-11-19 07:15:51,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:51,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960097183] [2022-11-19 07:15:51,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:51,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:51,870 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:51,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1344606903] [2022-11-19 07:15:51,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:51,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:51,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:51,875 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:51,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-19 07:15:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:51,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:15:51,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:15:51,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:15:52,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:15:52,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:52,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960097183] [2022-11-19 07:15:52,026 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:52,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344606903] [2022-11-19 07:15:52,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344606903] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:15:52,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2009664772] [2022-11-19 07:15:52,057 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-19 07:15:52,058 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:15:52,061 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:15:52,066 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:15:52,067 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:15:52,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:52,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:52,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:52,366 INFO L321 Elim1Store]: treesize reduction 190, result has 19.1 percent of original size [2022-11-19 07:15:52,367 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 [2022-11-19 07:15:52,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:52,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:52,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:52,420 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 [2022-11-19 07:15:52,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:52,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:52,560 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 [2022-11-19 07:15:52,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:52,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:52,684 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 [2022-11-19 07:15:53,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:53,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:53,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:53,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:53,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:53,084 INFO L321 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2022-11-19 07:15:53,085 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 [2022-11-19 07:15:53,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:53,276 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:15:53,276 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 [2022-11-19 07:15:53,316 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:15:54,391 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 [2022-11-19 07:15:54,391 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:15:54,391 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:15:54,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-11-19 07:15:54,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648968986] [2022-11-19 07:15:54,392 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-19 07:15:54,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:15:54,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:54,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:15:54,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:15:54,393 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) [2022-11-19 07:15:54,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:54,623 INFO L93 Difference]: Finished difference Result 394 states and 553 transitions. [2022-11-19 07:15:54,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:15:54,624 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 [2022-11-19 07:15:54,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:54,626 INFO L225 Difference]: With dead ends: 394 [2022-11-19 07:15:54,626 INFO L226 Difference]: Without dead ends: 391 [2022-11-19 07:15:54,626 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 [2022-11-19 07:15:54,627 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 144 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-11-19 07:15:54,628 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] [2022-11-19 07:15:54,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2022-11-19 07:15:54,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 223. [2022-11-19 07:15:54,650 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) [2022-11-19 07:15:54,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 305 transitions. [2022-11-19 07:15:54,651 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 305 transitions. Word has length 8 [2022-11-19 07:15:54,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:54,651 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 305 transitions. [2022-11-19 07:15:54,652 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) [2022-11-19 07:15:54,652 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 305 transitions. [2022-11-19 07:15:54,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:15:54,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:54,653 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-11-19 07:15:54,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-19 07:15:54,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:54,859 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)] === [2022-11-19 07:15:54,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:54,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1191317759, now seen corresponding path program 1 times [2022-11-19 07:15:54,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:54,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310938897] [2022-11-19 07:15:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:54,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:54,867 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:54,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [553081743] [2022-11-19 07:15:54,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:54,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:54,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:54,870 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:54,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-19 07:15:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:54,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:15:54,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:15:54,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:15:54,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:54,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310938897] [2022-11-19 07:15:54,974 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:54,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553081743] [2022-11-19 07:15:54,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553081743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:54,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:15:54,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:15:54,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217692828] [2022-11-19 07:15:54,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:54,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:15:54,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:54,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:15:54,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:15:54,976 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) [2022-11-19 07:15:55,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:55,085 INFO L93 Difference]: Finished difference Result 429 states and 586 transitions. [2022-11-19 07:15:55,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:15:55,086 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 [2022-11-19 07:15:55,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:55,087 INFO L225 Difference]: With dead ends: 429 [2022-11-19 07:15:55,088 INFO L226 Difference]: Without dead ends: 223 [2022-11-19 07:15:55,092 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 [2022-11-19 07:15:55,094 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 65 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-11-19 07:15:55,095 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] [2022-11-19 07:15:55,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-11-19 07:15:55,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-11-19 07:15:55,119 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) [2022-11-19 07:15:55,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 293 transitions. [2022-11-19 07:15:55,120 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 293 transitions. Word has length 9 [2022-11-19 07:15:55,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:55,121 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 293 transitions. [2022-11-19 07:15:55,121 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) [2022-11-19 07:15:55,121 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 293 transitions. [2022-11-19 07:15:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 07:15:55,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:55,123 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-19 07:15:55,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-19 07:15:55,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-19 07:15:55,334 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)] === [2022-11-19 07:15:55,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:55,334 INFO L85 PathProgramCache]: Analyzing trace with hash -2085749889, now seen corresponding path program 1 times [2022-11-19 07:15:55,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:55,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648969913] [2022-11-19 07:15:55,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:55,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:55,347 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:55,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1511632265] [2022-11-19 07:15:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:55,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:55,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:55,349 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:55,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-19 07:15:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:55,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 07:15:55,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:15:55,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:15:55,525 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:15:55,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:55,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648969913] [2022-11-19 07:15:55,526 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:55,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511632265] [2022-11-19 07:15:55,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511632265] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:15:55,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1360296002] [2022-11-19 07:15:55,529 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-19 07:15:55,529 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:15:55,529 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:15:55,530 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:15:55,530 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:15:55,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:55,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:55,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:55,683 INFO L321 Elim1Store]: treesize reduction 185, result has 22.9 percent of original size [2022-11-19 07:15:55,683 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 [2022-11-19 07:15:55,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:55,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:55,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:55,867 INFO L321 Elim1Store]: treesize reduction 190, result has 19.1 percent of original size [2022-11-19 07:15:55,868 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 [2022-11-19 07:15:55,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:55,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:55,963 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 [2022-11-19 07:15:56,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:56,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:56,071 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 [2022-11-19 07:15:56,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:56,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:56,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:56,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:56,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:56,339 INFO L321 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2022-11-19 07:15:56,339 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 [2022-11-19 07:15:56,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:56,475 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:15:56,475 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 [2022-11-19 07:15:56,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:56,813 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:15:56,814 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 [2022-11-19 07:15:56,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:56,844 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:15:56,845 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 [2022-11-19 07:15:56,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:56,916 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:15:56,917 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 [2022-11-19 07:15:56,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:56,996 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:15:56,996 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 [2022-11-19 07:15:57,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,122 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:15:57,123 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 [2022-11-19 07:15:57,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,158 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:15:57,159 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 [2022-11-19 07:15:57,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,252 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:15:57,253 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 [2022-11-19 07:15:57,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,321 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:15:57,321 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 [2022-11-19 07:15:57,639 INFO L321 Elim1Store]: treesize reduction 294, result has 12.5 percent of original size [2022-11-19 07:15:57,639 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 [2022-11-19 07:15:57,813 INFO L321 Elim1Store]: treesize reduction 294, result has 12.5 percent of original size [2022-11-19 07:15:57,814 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 [2022-11-19 07:15:57,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,920 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:15:57,921 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 [2022-11-19 07:15:57,978 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:15:59,670 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 [2022-11-19 07:15:59,671 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:15:59,671 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:15:59,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2022-11-19 07:15:59,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836123260] [2022-11-19 07:15:59,671 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-19 07:15:59,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:15:59,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:59,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:15:59,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2022-11-19 07:15:59,672 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) [2022-11-19 07:15:59,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:59,848 INFO L93 Difference]: Finished difference Result 429 states and 563 transitions. [2022-11-19 07:15:59,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:15:59,849 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 [2022-11-19 07:15:59,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:59,850 INFO L225 Difference]: With dead ends: 429 [2022-11-19 07:15:59,850 INFO L226 Difference]: Without dead ends: 223 [2022-11-19 07:15:59,852 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 [2022-11-19 07:15:59,853 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 [2022-11-19 07:15:59,854 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] [2022-11-19 07:15:59,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-11-19 07:15:59,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-11-19 07:15:59,867 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) [2022-11-19 07:15:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 257 transitions. [2022-11-19 07:15:59,869 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 257 transitions. Word has length 15 [2022-11-19 07:15:59,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:59,869 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 257 transitions. [2022-11-19 07:15:59,869 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) [2022-11-19 07:15:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 257 transitions. [2022-11-19 07:15:59,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 07:15:59,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:59,875 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2022-11-19 07:15:59,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-19 07:16:00,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 07:16:00,096 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)] === [2022-11-19 07:16:00,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:16:00,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1817537715, now seen corresponding path program 2 times [2022-11-19 07:16:00,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:16:00,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199467748] [2022-11-19 07:16:00,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:00,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:16:00,127 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:16:00,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1842365434] [2022-11-19 07:16:00,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 07:16:00,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:16:00,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:16:00,135 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:16:00,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-19 07:16:00,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-19 07:16:00,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 07:16:00,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:16:00,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:16:00,261 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-19 07:16:00,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:16:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-19 07:16:00,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:16:00,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199467748] [2022-11-19 07:16:00,298 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:16:00,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842365434] [2022-11-19 07:16:00,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842365434] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:16:00,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [772103064] [2022-11-19 07:16:00,300 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-19 07:16:00,300 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:16:00,301 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:16:00,301 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:16:00,301 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:16:00,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,445 INFO L321 Elim1Store]: treesize reduction 190, result has 19.1 percent of original size [2022-11-19 07:16:00,446 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 [2022-11-19 07:16:00,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,491 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 [2022-11-19 07:16:00,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,559 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 [2022-11-19 07:16:00,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,625 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 [2022-11-19 07:16:00,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:00,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:00,924 INFO L321 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2022-11-19 07:16:00,925 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 [2022-11-19 07:16:01,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:01,054 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:01,054 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 [2022-11-19 07:16:01,078 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:16:02,029 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 [2022-11-19 07:16:02,030 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:16:02,030 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:16:02,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 4 [2022-11-19 07:16:02,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84544201] [2022-11-19 07:16:02,031 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-19 07:16:02,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:16:02,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:16:02,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:16:02,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:16:02,032 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) [2022-11-19 07:16:02,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:16:02,144 INFO L93 Difference]: Finished difference Result 223 states and 257 transitions. [2022-11-19 07:16:02,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:16:02,145 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 [2022-11-19 07:16:02,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:16:02,146 INFO L225 Difference]: With dead ends: 223 [2022-11-19 07:16:02,146 INFO L226 Difference]: Without dead ends: 220 [2022-11-19 07:16:02,147 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 [2022-11-19 07:16:02,147 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 [2022-11-19 07:16:02,148 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] [2022-11-19 07:16:02,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-19 07:16:02,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 208. [2022-11-19 07:16:02,161 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) [2022-11-19 07:16:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 233 transitions. [2022-11-19 07:16:02,163 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 233 transitions. Word has length 17 [2022-11-19 07:16:02,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:16:02,163 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 233 transitions. [2022-11-19 07:16:02,163 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) [2022-11-19 07:16:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 233 transitions. [2022-11-19 07:16:02,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 07:16:02,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:16:02,164 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 1, 1, 1, 1, 1] [2022-11-19 07:16:02,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-19 07:16:02,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-19 07:16:02,371 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)] === [2022-11-19 07:16:02,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:16:02,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1498501119, now seen corresponding path program 2 times [2022-11-19 07:16:02,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:16:02,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364749362] [2022-11-19 07:16:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:02,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:16:02,389 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:16:02,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1122989778] [2022-11-19 07:16:02,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 07:16:02,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:16:02,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:16:02,391 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:16:02,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-19 07:16:02,480 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-19 07:16:02,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 07:16:02,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:16:02,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:16:02,529 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-19 07:16:02,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:16:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-19 07:16:02,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:16:02,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364749362] [2022-11-19 07:16:02,583 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:16:02,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122989778] [2022-11-19 07:16:02,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122989778] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:16:02,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [769827003] [2022-11-19 07:16:02,586 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-19 07:16:02,586 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:16:02,586 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:16:02,587 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:16:02,587 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:16:02,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:02,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:02,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:02,724 INFO L321 Elim1Store]: treesize reduction 190, result has 19.1 percent of original size [2022-11-19 07:16:02,725 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 [2022-11-19 07:16:02,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:02,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:02,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:02,751 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 [2022-11-19 07:16:02,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:02,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:02,817 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 [2022-11-19 07:16:02,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:02,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:02,873 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 [2022-11-19 07:16:03,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:03,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:03,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:03,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:03,144 INFO L321 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2022-11-19 07:16:03,145 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 [2022-11-19 07:16:03,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:03,266 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:03,267 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 [2022-11-19 07:16:03,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:03,541 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:03,542 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 [2022-11-19 07:16:03,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:03,571 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:03,577 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 [2022-11-19 07:16:03,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:03,643 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:03,644 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 [2022-11-19 07:16:03,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:03,727 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:03,728 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 [2022-11-19 07:16:03,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:03,833 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:03,834 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 [2022-11-19 07:16:03,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:03,866 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:03,867 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 [2022-11-19 07:16:03,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:03,950 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:03,951 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 [2022-11-19 07:16:04,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:04,023 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:04,024 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 [2022-11-19 07:16:04,324 INFO L321 Elim1Store]: treesize reduction 294, result has 12.5 percent of original size [2022-11-19 07:16:04,324 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 [2022-11-19 07:16:04,495 INFO L321 Elim1Store]: treesize reduction 294, result has 12.5 percent of original size [2022-11-19 07:16:04,496 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 [2022-11-19 07:16:04,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:04,619 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:04,620 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 [2022-11-19 07:16:04,679 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:16:06,003 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 [2022-11-19 07:16:06,003 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:16:06,003 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:16:06,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 4 [2022-11-19 07:16:06,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970845865] [2022-11-19 07:16:06,004 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-19 07:16:06,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:16:06,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:16:06,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:16:06,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2022-11-19 07:16:06,005 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) [2022-11-19 07:16:06,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:16:06,103 INFO L93 Difference]: Finished difference Result 208 states and 233 transitions. [2022-11-19 07:16:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:16:06,107 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 [2022-11-19 07:16:06,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:16:06,108 INFO L225 Difference]: With dead ends: 208 [2022-11-19 07:16:06,108 INFO L226 Difference]: Without dead ends: 205 [2022-11-19 07:16:06,108 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 [2022-11-19 07:16:06,109 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 [2022-11-19 07:16:06,110 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] [2022-11-19 07:16:06,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-11-19 07:16:06,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 121. [2022-11-19 07:16:06,121 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) [2022-11-19 07:16:06,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 137 transitions. [2022-11-19 07:16:06,122 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 137 transitions. Word has length 33 [2022-11-19 07:16:06,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:16:06,122 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 137 transitions. [2022-11-19 07:16:06,122 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) [2022-11-19 07:16:06,123 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 137 transitions. [2022-11-19 07:16:06,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-19 07:16:06,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:16:06,124 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-19 07:16:06,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-19 07:16:06,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:16:06,329 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)] === [2022-11-19 07:16:06,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:16:06,329 INFO L85 PathProgramCache]: Analyzing trace with hash 2010472983, now seen corresponding path program 1 times [2022-11-19 07:16:06,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:16:06,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522737782] [2022-11-19 07:16:06,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:06,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:16:06,353 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:16:06,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1888188678] [2022-11-19 07:16:06,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:06,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:16:06,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:16:06,356 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:16:06,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-19 07:16:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:16:06,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:16:06,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:16:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 61 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-19 07:16:06,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:16:06,655 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 61 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-19 07:16:06,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:16:06,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522737782] [2022-11-19 07:16:06,655 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:16:06,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888188678] [2022-11-19 07:16:06,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888188678] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:16:06,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [131870680] [2022-11-19 07:16:06,657 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-19 07:16:06,658 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:16:06,658 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:16:06,658 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:16:06,658 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:16:06,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:06,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:06,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:06,823 INFO L321 Elim1Store]: treesize reduction 190, result has 19.1 percent of original size [2022-11-19 07:16:06,823 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 [2022-11-19 07:16:06,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:06,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:06,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:06,850 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 [2022-11-19 07:16:06,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:06,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:06,926 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 [2022-11-19 07:16:06,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:06,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:06,986 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 [2022-11-19 07:16:07,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:07,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:07,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:07,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:07,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:07,200 INFO L321 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2022-11-19 07:16:07,201 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 [2022-11-19 07:16:07,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:07,322 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:07,323 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 [2022-11-19 07:16:07,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:07,535 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:07,535 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 [2022-11-19 07:16:07,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:07,573 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:07,573 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 [2022-11-19 07:16:07,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:07,636 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:07,636 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 [2022-11-19 07:16:07,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:07,723 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:07,723 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 [2022-11-19 07:16:07,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:07,822 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:07,822 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 [2022-11-19 07:16:07,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:07,856 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:07,856 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 [2022-11-19 07:16:07,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:07,917 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:07,918 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 [2022-11-19 07:16:07,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:07,973 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:07,973 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 [2022-11-19 07:16:08,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,279 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:08,279 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 [2022-11-19 07:16:08,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,326 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:08,326 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 [2022-11-19 07:16:08,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,402 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:08,403 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 [2022-11-19 07:16:08,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,446 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:08,446 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 [2022-11-19 07:16:08,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,587 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:08,587 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 [2022-11-19 07:16:08,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,626 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:08,627 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 [2022-11-19 07:16:08,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,678 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:08,678 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 [2022-11-19 07:16:08,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,741 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:08,741 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 [2022-11-19 07:16:08,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,815 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:08,816 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 [2022-11-19 07:16:08,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,845 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:08,846 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 [2022-11-19 07:16:08,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,924 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:08,925 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 [2022-11-19 07:16:08,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,965 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:08,965 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 [2022-11-19 07:16:09,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,139 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,139 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 [2022-11-19 07:16:09,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,188 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,188 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 [2022-11-19 07:16:09,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,261 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,261 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 [2022-11-19 07:16:09,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,362 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,362 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 [2022-11-19 07:16:09,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,396 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,396 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 [2022-11-19 07:16:09,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,481 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,482 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 [2022-11-19 07:16:09,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,533 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,533 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 [2022-11-19 07:16:09,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,606 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,606 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 [2022-11-19 07:16:09,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,638 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,639 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 [2022-11-19 07:16:09,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,708 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,708 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 [2022-11-19 07:16:09,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,748 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-19 07:16:09,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,848 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 51 [2022-11-19 07:16:09,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,879 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,879 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 [2022-11-19 07:16:09,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,941 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,941 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 [2022-11-19 07:16:09,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:09,994 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:09,994 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 [2022-11-19 07:16:10,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,161 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:10,161 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 [2022-11-19 07:16:10,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,190 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:10,191 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 [2022-11-19 07:16:10,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,254 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:10,255 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 [2022-11-19 07:16:10,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,335 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:10,336 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 [2022-11-19 07:16:10,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,419 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:10,419 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 [2022-11-19 07:16:10,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,451 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:10,452 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 [2022-11-19 07:16:10,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,522 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:10,522 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 [2022-11-19 07:16:10,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,561 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:10,561 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 [2022-11-19 07:16:10,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,703 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:10,703 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 [2022-11-19 07:16:10,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,733 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:10,733 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 [2022-11-19 07:16:10,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,810 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:10,811 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 [2022-11-19 07:16:10,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,861 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:10,862 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 [2022-11-19 07:16:10,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:11,012 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:11,012 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 [2022-11-19 07:16:11,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:11,055 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:11,055 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 [2022-11-19 07:16:11,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:11,109 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:11,109 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 [2022-11-19 07:16:11,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:11,199 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:11,199 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 [2022-11-19 07:16:11,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:11,268 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:11,268 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 [2022-11-19 07:16:11,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:11,311 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:11,311 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 [2022-11-19 07:16:11,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:11,380 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:11,381 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 [2022-11-19 07:16:11,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:11,421 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:11,421 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 [2022-11-19 07:16:11,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:11,607 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:11,607 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 [2022-11-19 07:16:11,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:11,636 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:11,636 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 [2022-11-19 07:16:11,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:11,717 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:11,717 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 [2022-11-19 07:16:11,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:11,757 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-19 07:16:11,758 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 [2022-11-19 07:16:11,806 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:16:18,611 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification. DAG size of input: 141 DAG size of output: 111 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:16:19,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [131870680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:16:19,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:16:19,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 7] total 22 [2022-11-19 07:16:19,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449370273] [2022-11-19 07:16:19,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:16:19,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:16:19,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:16:19,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:16:19,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2022-11-19 07:16:19,718 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) [2022-11-19 07:16:23,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:16:23,058 INFO L93 Difference]: Finished difference Result 121 states and 137 transitions. [2022-11-19 07:16:23,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:16:23,058 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 [2022-11-19 07:16:23,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:16:23,059 INFO L225 Difference]: With dead ends: 121 [2022-11-19 07:16:23,059 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:16:23,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2022-11-19 07:16:23,061 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 [2022-11-19 07:16:23,062 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] [2022-11-19 07:16:23,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:16:23,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:16:23,062 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) [2022-11-19 07:16:23,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:16:23,063 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2022-11-19 07:16:23,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:16:23,063 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:16:23,063 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) [2022-11-19 07:16:23,063 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:16:23,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:16:23,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2022-11-19 07:16:23,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2022-11-19 07:16:23,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2022-11-19 07:16:23,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2022-11-19 07:16:23,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2022-11-19 07:16:23,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2022-11-19 07:16:23,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2022-11-19 07:16:23,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2022-11-19 07:16:23,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2022-11-19 07:16:23,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2022-11-19 07:16:23,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2022-11-19 07:16:23,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2022-11-19 07:16:23,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2022-11-19 07:16:23,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2022-11-19 07:16:23,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2022-11-19 07:16:23,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2022-11-19 07:16:23,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2022-11-19 07:16:23,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2022-11-19 07:16:23,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-19 07:16:23,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:16:23,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:16:27,817 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-19 07:16:27,817 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2022-11-19 07:16:27,818 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-11-19 07:16:27,818 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-19 07:16:27,818 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-11-19 07:16:27,818 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-19 07:16:27,818 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-19 07:16:27,818 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 07:16:27,819 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))) [2022-11-19 07:16:27,819 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2022-11-19 07:16:27,820 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)) [2022-11-19 07:16:27,820 INFO L899 garLoopResultBuilder]: For program point L53-3(lines 53 56) no Hoare annotation was computed. [2022-11-19 07:16:27,820 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-19 07:16:27,820 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-19 07:16:27,820 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2022-11-19 07:16:27,821 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-11-19 07:16:27,821 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-19 07:16:27,821 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-19 07:16:27,821 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)))) [2022-11-19 07:16:27,821 INFO L899 garLoopResultBuilder]: For program point L71-3(lines 71 78) no Hoare annotation was computed. [2022-11-19 07:16:27,822 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-19 07:16:27,822 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-11-19 07:16:27,822 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-19 07:16:27,822 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)))) [2022-11-19 07:16:27,822 INFO L899 garLoopResultBuilder]: For program point L31-3(lines 31 39) no Hoare annotation was computed. [2022-11-19 07:16:27,823 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))) [2022-11-19 07:16:27,823 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-19 07:16:27,823 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-11-19 07:16:27,823 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)) [2022-11-19 07:16:27,824 INFO L899 garLoopResultBuilder]: For program point L73-3(lines 73 76) no Hoare annotation was computed. [2022-11-19 07:16:27,824 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-11-19 07:16:27,824 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2022-11-19 07:16:27,824 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 75) no Hoare annotation was computed. [2022-11-19 07:16:27,824 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:16:27,824 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)) [2022-11-19 07:16:27,825 INFO L899 garLoopResultBuilder]: For program point L33-3(lines 33 37) no Hoare annotation was computed. [2022-11-19 07:16:27,825 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-11-19 07:16:27,825 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 75) no Hoare annotation was computed. [2022-11-19 07:16:27,825 INFO L899 garLoopResultBuilder]: For program point L75(line 75) no Hoare annotation was computed. [2022-11-19 07:16:27,825 INFO L899 garLoopResultBuilder]: For program point L75-1(line 75) no Hoare annotation was computed. [2022-11-19 07:16:27,825 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-19 07:16:27,826 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-11-19 07:16:27,826 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)))) [2022-11-19 07:16:27,826 INFO L899 garLoopResultBuilder]: For program point L51-3(lines 51 58) no Hoare annotation was computed. [2022-11-19 07:16:27,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2022-11-19 07:16:27,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-19 07:16:27,827 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))) [2022-11-19 07:16:27,830 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:16:27,832 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:16:27,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:16:27 BoogieIcfgContainer [2022-11-19 07:16:27,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:16:27,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:16:27,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:16:27,896 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:16:27,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:15:48" (3/4) ... [2022-11-19 07:16:27,899 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:16:27,913 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-19 07:16:27,914 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-19 07:16:27,914 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-19 07:16:27,914 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:16:27,970 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:16:27,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:16:27,971 INFO L158 Benchmark]: Toolchain (without parser) took 40701.50ms. Allocated memory was 132.1MB in the beginning and 343.9MB in the end (delta: 211.8MB). Free memory was 95.5MB in the beginning and 133.7MB in the end (delta: -38.2MB). Peak memory consumption was 172.0MB. Max. memory is 16.1GB. [2022-11-19 07:16:27,971 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory was 103.2MB in the beginning and 103.2MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:16:27,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.85ms. Allocated memory is still 132.1MB. Free memory was 95.3MB in the beginning and 105.8MB in the end (delta: -10.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 07:16:27,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.98ms. Allocated memory is still 132.1MB. Free memory was 105.1MB in the beginning and 103.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:16:27,977 INFO L158 Benchmark]: Boogie Preprocessor took 53.71ms. Allocated memory is still 132.1MB. Free memory was 103.7MB in the beginning and 102.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:16:27,977 INFO L158 Benchmark]: RCFGBuilder took 542.20ms. Allocated memory is still 132.1MB. Free memory was 102.2MB in the beginning and 84.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 07:16:27,978 INFO L158 Benchmark]: TraceAbstraction took 39570.75ms. Allocated memory was 132.1MB in the beginning and 343.9MB in the end (delta: 211.8MB). Free memory was 83.3MB in the beginning and 137.9MB in the end (delta: -54.5MB). Peak memory consumption was 183.5MB. Max. memory is 16.1GB. [2022-11-19 07:16:27,978 INFO L158 Benchmark]: Witness Printer took 74.64ms. Allocated memory is still 343.9MB. Free memory was 137.9MB in the beginning and 133.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:16:27,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory was 103.2MB in the beginning and 103.2MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.85ms. Allocated memory is still 132.1MB. Free memory was 95.3MB in the beginning and 105.8MB in the end (delta: -10.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.98ms. Allocated memory is still 132.1MB. Free memory was 105.1MB in the beginning and 103.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.71ms. Allocated memory is still 132.1MB. Free memory was 103.7MB in the beginning and 102.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.20ms. Allocated memory is still 132.1MB. Free memory was 102.2MB in the beginning and 84.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 39570.75ms. Allocated memory was 132.1MB in the beginning and 343.9MB in the end (delta: 211.8MB). Free memory was 83.3MB in the beginning and 137.9MB in the end (delta: -54.5MB). Peak memory consumption was 183.5MB. Max. memory is 16.1GB. * Witness Printer took 74.64ms. Allocated memory is still 343.9MB. Free memory was 137.9MB in the beginning and 133.7MB 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: 39.4s, OverallIterations: 13, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 945 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 945 mSDsluCounter, 528 SdHoareTripleChecker+Invalid, 1.0s 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, 16.2s 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: 0.2s 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, 4.2s 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: 5.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 35, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 270, TOOLS_POST_TIME: 4.2s, 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: 4.1s, 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: 4.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 4.4s, 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! [2022-11-19 07:16:28,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aede0a7-8cb9-4f10-a3f9-380934a65c7c/bin/utaipan-I9t0OCRTmS/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