./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/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_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/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_3ca8f46e-c66f-4dc2-9099-20c068cacee0/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 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 --- 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 07:12:33,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:12:33,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:12:33,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:12:33,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:12:33,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:12:33,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:12:33,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:12:33,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:12:33,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:12:33,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:12:33,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:12:33,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:12:33,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:12:33,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:12:33,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:12:33,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:12:33,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:12:33,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:12:33,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:12:33,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:12:33,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:12:33,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:12:33,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:12:33,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:12:33,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:12:33,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:12:33,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:12:33,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:12:33,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:12:33,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:12:33,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:12:33,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:12:33,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:12:33,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:12:33,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:12:33,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:12:33,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:12:33,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:12:33,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:12:33,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:12:33,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:12:33,799 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:12:33,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:12:33,799 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:12:33,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:12:33,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:12:33,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:12:33,800 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:12:33,801 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:12:33,801 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:12:33,801 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:12:33,801 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:12:33,801 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:12:33,801 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:12:33,802 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:12:33,802 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:12:33,802 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:12:33,802 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:12:33,802 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:12:33,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:12:33,803 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:12:33,803 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:12:33,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:12:33,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:12:33,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:12:33,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:12:33,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:12:33,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:12:33,805 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:12:33,805 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:12:33,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:12:33,805 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:12:33,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:12:33,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:12:33,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:12:33,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:12:33,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:12:33,806 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:12:33,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:12:33,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:12:33,807 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:12:33,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:12:33,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:12:33,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:12:33,808 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_3ca8f46e-c66f-4dc2-9099-20c068cacee0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 [2022-11-19 07:12:34,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:12:34,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:12:34,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:12:34,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:12:34,060 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:12:34,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2022-11-19 07:12:34,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/data/d1604e70f/1c3ff23880ba4be2a42c07d2b0c82ba2/FLAGb19f3010e [2022-11-19 07:12:34,842 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:12:34,842 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2022-11-19 07:12:34,874 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/data/d1604e70f/1c3ff23880ba4be2a42c07d2b0c82ba2/FLAGb19f3010e [2022-11-19 07:12:35,015 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/data/d1604e70f/1c3ff23880ba4be2a42c07d2b0c82ba2 [2022-11-19 07:12:35,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:12:35,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:12:35,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:12:35,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:12:35,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:12:35,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:12:35" (1/1) ... [2022-11-19 07:12:35,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b89302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:35, skipping insertion in model container [2022-11-19 07:12:35,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:12:35" (1/1) ... [2022-11-19 07:12:35,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:12:35,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:12:35,767 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_3ca8f46e-c66f-4dc2-9099-20c068cacee0/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2022-11-19 07:12:35,974 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_3ca8f46e-c66f-4dc2-9099-20c068cacee0/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2022-11-19 07:12:35,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:12:35,986 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:12:36,039 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_3ca8f46e-c66f-4dc2-9099-20c068cacee0/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2022-11-19 07:12:36,201 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_3ca8f46e-c66f-4dc2-9099-20c068cacee0/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2022-11-19 07:12:36,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:12:36,258 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:12:36,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:36 WrapperNode [2022-11-19 07:12:36,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:12:36,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:12:36,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:12:36,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:12:36,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:36" (1/1) ... [2022-11-19 07:12:36,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:36" (1/1) ... [2022-11-19 07:12:36,460 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2868 [2022-11-19 07:12:36,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:12:36,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:12:36,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:12:36,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:12:36,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:36" (1/1) ... [2022-11-19 07:12:36,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:36" (1/1) ... [2022-11-19 07:12:36,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:36" (1/1) ... [2022-11-19 07:12:36,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:36" (1/1) ... [2022-11-19 07:12:36,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:36" (1/1) ... [2022-11-19 07:12:36,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:36" (1/1) ... [2022-11-19 07:12:36,594 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:36" (1/1) ... [2022-11-19 07:12:36,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:36" (1/1) ... [2022-11-19 07:12:36,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:12:36,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:12:36,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:12:36,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:12:36,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:36" (1/1) ... [2022-11-19 07:12:36,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:12:36,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:12:36,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:12:36,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:12:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:12:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:12:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:12:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:12:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:12:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:12:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:12:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:12:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:12:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:12:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 07:12:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:12:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:12:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:12:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:12:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:12:37,032 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:12:37,037 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:12:39,912 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:12:40,450 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:12:40,452 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-19 07:12:40,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:12:40 BoogieIcfgContainer [2022-11-19 07:12:40,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:12:40,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:12:40,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:12:40,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:12:40,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:12:35" (1/3) ... [2022-11-19 07:12:40,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e4d541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:12:40, skipping insertion in model container [2022-11-19 07:12:40,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:36" (2/3) ... [2022-11-19 07:12:40,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e4d541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:12:40, skipping insertion in model container [2022-11-19 07:12:40,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:12:40" (3/3) ... [2022-11-19 07:12:40,477 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test9-1.i [2022-11-19 07:12:40,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:12:40,500 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-19 07:12:40,607 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:12:40,618 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;@aa5fad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:12:40,618 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-19 07:12:40,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 1109 states, 595 states have (on average 1.969747899159664) internal successors, (1172), 1103 states have internal predecessors, (1172), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 07:12:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:12:40,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:12:40,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:12:40,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:12:40,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:12:40,645 INFO L85 PathProgramCache]: Analyzing trace with hash 140833213, now seen corresponding path program 1 times [2022-11-19 07:12:40,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:12:40,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800998125] [2022-11-19 07:12:40,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:40,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:12:40,794 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:12:40,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54073560] [2022-11-19 07:12:40,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:40,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:12:40,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:12:40,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:12:40,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:12:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:12:40,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-19 07:12:40,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:12:41,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:12:41,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:12:41,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:12:41,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-19 07:12:41,149 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 07:12:41,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:12:41,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:12:41,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800998125] [2022-11-19 07:12:41,150 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:12:41,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54073560] [2022-11-19 07:12:41,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54073560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:12:41,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:12:41,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:12:41,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849957096] [2022-11-19 07:12:41,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:12:41,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:12:41,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:12:41,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:12:41,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:12:41,191 INFO L87 Difference]: Start difference. First operand has 1109 states, 595 states have (on average 1.969747899159664) internal successors, (1172), 1103 states have internal predecessors, (1172), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 07:12:43,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:12:43,642 INFO L93 Difference]: Finished difference Result 3278 states and 6462 transitions. [2022-11-19 07:12:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:12:43,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 07:12:43,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:12:43,687 INFO L225 Difference]: With dead ends: 3278 [2022-11-19 07:12:43,687 INFO L226 Difference]: Without dead ends: 2167 [2022-11-19 07:12:43,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:12:43,705 INFO L413 NwaCegarLoop]: 2595 mSDtfsCounter, 1065 mSDsluCounter, 4173 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 6768 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:12:43,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1565 Valid, 6768 Invalid, 607 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-19 07:12:43,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2022-11-19 07:12:44,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 1111. [2022-11-19 07:12:44,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 598 states have (on average 1.874581939799331) internal successors, (1121), 1105 states have internal predecessors, (1121), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 07:12:44,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2127 transitions. [2022-11-19 07:12:44,401 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2127 transitions. Word has length 4 [2022-11-19 07:12:44,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:12:44,402 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2127 transitions. [2022-11-19 07:12:44,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 07:12:44,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2127 transitions. [2022-11-19 07:12:44,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 07:12:44,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:12:44,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:12:44,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:12:44,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 07:12:44,614 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:12:44,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:12:44,615 INFO L85 PathProgramCache]: Analyzing trace with hash -201976307, now seen corresponding path program 1 times [2022-11-19 07:12:44,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:12:44,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059839254] [2022-11-19 07:12:44,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:44,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:12:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:12:45,039 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 07:12:45,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:12:45,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059839254] [2022-11-19 07:12:45,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059839254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:12:45,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:12:45,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:12:45,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911871264] [2022-11-19 07:12:45,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:12:45,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:12:45,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:12:45,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:12:45,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:12:45,043 INFO L87 Difference]: Start difference. First operand 1111 states and 2127 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 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 07:12:46,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:12:46,843 INFO L93 Difference]: Finished difference Result 3200 states and 6229 transitions. [2022-11-19 07:12:46,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:12:46,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-19 07:12:46,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:12:46,861 INFO L225 Difference]: With dead ends: 3200 [2022-11-19 07:12:46,861 INFO L226 Difference]: Without dead ends: 2154 [2022-11-19 07:12:46,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:12:46,867 INFO L413 NwaCegarLoop]: 2598 mSDtfsCounter, 1051 mSDsluCounter, 4177 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 6775 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:12:46,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 6775 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-19 07:12:46,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-11-19 07:12:47,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1111. [2022-11-19 07:12:47,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 598 states have (on average 1.8729096989966556) internal successors, (1120), 1105 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 07:12:47,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2126 transitions. [2022-11-19 07:12:47,144 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2126 transitions. Word has length 20 [2022-11-19 07:12:47,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:12:47,144 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2126 transitions. [2022-11-19 07:12:47,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 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 07:12:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2126 transitions. [2022-11-19 07:12:47,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 07:12:47,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:12:47,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:12:47,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:12:47,149 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:12:47,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:12:47,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1943706040, now seen corresponding path program 1 times [2022-11-19 07:12:47,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:12:47,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078958264] [2022-11-19 07:12:47,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:47,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:12:47,313 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:12:47,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [427849401] [2022-11-19 07:12:47,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:47,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:12:47,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:12:47,325 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:12:47,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:12:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:12:47,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:12:47,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:12:48,099 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 07:12:48,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:12:48,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:12:48,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078958264] [2022-11-19 07:12:48,105 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:12:48,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427849401] [2022-11-19 07:12:48,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427849401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:12:48,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:12:48,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:12:48,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953442688] [2022-11-19 07:12:48,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:12:48,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:12:48,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:12:48,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:12:48,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:12:48,109 INFO L87 Difference]: Start difference. First operand 1111 states and 2126 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:12:49,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:12:49,450 INFO L93 Difference]: Finished difference Result 3258 states and 6292 transitions. [2022-11-19 07:12:49,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:12:49,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-19 07:12:49,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:12:49,470 INFO L225 Difference]: With dead ends: 3258 [2022-11-19 07:12:49,471 INFO L226 Difference]: Without dead ends: 2152 [2022-11-19 07:12:49,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 07:12:49,477 INFO L413 NwaCegarLoop]: 2622 mSDtfsCounter, 1039 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:12:49,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 4711 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 07:12:49,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2022-11-19 07:12:49,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 2148. [2022-11-19 07:12:49,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2148 states, 1135 states have (on average 1.905726872246696) internal successors, (2163), 2142 states have internal predecessors, (2163), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-19 07:12:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 4169 transitions. [2022-11-19 07:12:49,840 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 4169 transitions. Word has length 28 [2022-11-19 07:12:49,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:12:49,841 INFO L495 AbstractCegarLoop]: Abstraction has 2148 states and 4169 transitions. [2022-11-19 07:12:49,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:12:49,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 4169 transitions. [2022-11-19 07:12:49,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-19 07:12:49,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:12:49,843 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:12:49,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:12:50,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:12:50,051 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:12:50,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:12:50,052 INFO L85 PathProgramCache]: Analyzing trace with hash -490151430, now seen corresponding path program 1 times [2022-11-19 07:12:50,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:12:50,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629233510] [2022-11-19 07:12:50,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:50,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:12:50,118 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:12:50,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [190624873] [2022-11-19 07:12:50,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:50,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:12:50,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:12:50,120 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:12:50,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:12:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:12:56,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:12:56,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:12:56,935 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 07:12:56,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:12:56,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:12:56,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629233510] [2022-11-19 07:12:56,936 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:12:56,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190624873] [2022-11-19 07:12:56,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190624873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:12:56,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:12:56,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:12:56,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133834983] [2022-11-19 07:12:56,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:12:56,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:12:56,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:12:56,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:12:56,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:12:56,940 INFO L87 Difference]: Start difference. First operand 2148 states and 4169 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:12:58,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:12:58,596 INFO L93 Difference]: Finished difference Result 4280 states and 8324 transitions. [2022-11-19 07:12:58,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:12:58,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-19 07:12:58,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:12:58,615 INFO L225 Difference]: With dead ends: 4280 [2022-11-19 07:12:58,616 INFO L226 Difference]: Without dead ends: 2150 [2022-11-19 07:12:58,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:12:58,624 INFO L413 NwaCegarLoop]: 2107 mSDtfsCounter, 1 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6317 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:12:58,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6317 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-19 07:12:58,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2022-11-19 07:12:59,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2150. [2022-11-19 07:12:59,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2150 states, 1136 states have (on average 1.9058098591549295) internal successors, (2165), 2144 states have internal predecessors, (2165), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 3 states have return successors, (1004), 5 states have call predecessors, (1004), 1003 states have call successors, (1004) [2022-11-19 07:12:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 4172 transitions. [2022-11-19 07:12:59,047 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 4172 transitions. Word has length 41 [2022-11-19 07:12:59,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:12:59,048 INFO L495 AbstractCegarLoop]: Abstraction has 2150 states and 4172 transitions. [2022-11-19 07:12:59,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:12:59,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 4172 transitions. [2022-11-19 07:12:59,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 07:12:59,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:12:59,050 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:12:59,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:12:59,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:12:59,269 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:12:59,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:12:59,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1375446570, now seen corresponding path program 1 times [2022-11-19 07:12:59,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:12:59,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398993374] [2022-11-19 07:12:59,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:59,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:12:59,338 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:12:59,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2098328328] [2022-11-19 07:12:59,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:59,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:12:59,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:12:59,346 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:12:59,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:13:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:13:16,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:13:16,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:13:16,946 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:13:16,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:13:17,070 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:13:17,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:13:17,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398993374] [2022-11-19 07:13:17,070 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:13:17,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098328328] [2022-11-19 07:13:17,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098328328] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:13:17,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1209739710] [2022-11-19 07:13:17,095 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-19 07:13:17,095 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:13:17,099 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:13:17,104 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:13:17,105 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:13:17,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:17,166 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 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 07:13:17,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:17,231 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 07:13:17,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 26 [2022-11-19 07:13:17,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:13:17,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:13:17,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:17,272 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:13:17,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 07:13:17,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:13:17,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:13:17,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:17,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:17,354 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 07:13:17,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-19 07:13:17,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:17,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:17,412 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:13:17,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 07:13:17,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:17,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:17,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2022-11-19 07:13:17,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:17,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:17,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:17,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2022-11-19 07:13:17,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 07:13:17,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 07:13:17,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:13:18,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-19 07:13:18,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-19 07:13:18,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:13:18,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:13:18,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:13:18,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:13:18,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:13:18,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:13:18,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:13:18,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,652 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 07:13:18,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 07:13:18,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:18,736 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:13:18,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 07:13:18,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:13:18,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:13:18,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:13:18,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:13:18,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 07:13:19,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:13:19,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:13:19,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:13:19,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:13:19,054 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 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:13:19,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:13:19,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 07:13:19,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:13:19,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:19,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 07:13:19,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:13:19,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:13:20,818 INFO L217 Elim1Store]: Index analysis took 972 ms [2022-11-19 07:13:26,803 WARN L233 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:13:26,804 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 07:13:26,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-19 07:13:30,303 INFO L217 Elim1Store]: Index analysis took 3328 ms [2022-11-19 07:13:32,470 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 07:13:32,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-19 07:13:41,159 INFO L217 Elim1Store]: Index analysis took 430 ms [2022-11-19 07:14:11,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:14:11,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:14:11,302 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 75317 column 7: canceled at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:124) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:119) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 75317 column 7: canceled at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.push(UndoableWrapperScript.java:54) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.pushContext(SimplifyDDA.java:736) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:389) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:648) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:427) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) ... 59 more [2022-11-19 07:14:11,304 INFO L158 Benchmark]: Toolchain (without parser) took 96281.07ms. Allocated memory was 148.9MB in the beginning and 11.7GB in the end (delta: 11.5GB). Free memory was 111.2MB in the beginning and 10.5GB in the end (delta: -10.4GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2022-11-19 07:14:11,304 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 48.5MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:14:11,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1232.76ms. Allocated memory is still 148.9MB. Free memory was 110.9MB in the beginning and 82.0MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-19 07:14:11,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 200.19ms. Allocated memory is still 148.9MB. Free memory was 82.0MB in the beginning and 68.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:14:11,306 INFO L158 Benchmark]: Boogie Preprocessor took 153.64ms. Allocated memory is still 148.9MB. Free memory was 68.1MB in the beginning and 54.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 07:14:11,307 INFO L158 Benchmark]: RCFGBuilder took 3846.32ms. Allocated memory was 148.9MB in the beginning and 257.9MB in the end (delta: 109.1MB). Free memory was 54.7MB in the beginning and 182.4MB in the end (delta: -127.7MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2022-11-19 07:14:11,307 INFO L158 Benchmark]: TraceAbstraction took 90837.33ms. Allocated memory was 257.9MB in the beginning and 11.7GB in the end (delta: 11.4GB). Free memory was 181.4MB in the beginning and 10.5GB in the end (delta: -10.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2022-11-19 07:14:11,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 48.5MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1232.76ms. Allocated memory is still 148.9MB. Free memory was 110.9MB in the beginning and 82.0MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 200.19ms. Allocated memory is still 148.9MB. Free memory was 82.0MB in the beginning and 68.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.64ms. Allocated memory is still 148.9MB. Free memory was 68.1MB in the beginning and 54.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3846.32ms. Allocated memory was 148.9MB in the beginning and 257.9MB in the end (delta: 109.1MB). Free memory was 54.7MB in the beginning and 182.4MB in the end (delta: -127.7MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. * TraceAbstraction took 90837.33ms. Allocated memory was 257.9MB in the beginning and 11.7GB in the end (delta: 11.4GB). Free memory was 181.4MB in the beginning and 10.5GB in the end (delta: -10.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 75317 column 7: canceled de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 75317 column 7: canceled: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-19 07:14:11,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 1 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca8f46e-c66f-4dc2-9099-20c068cacee0/bin/utaipan-I9t0OCRTmS/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 75317 column 7: canceled