./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_07_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_07_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8396d1a6b2a57463a0c5e8be9bfbd7b7bbcabc9a12140bf6abc41dfa764758e3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:33:51,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:33:51,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:33:51,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:33:51,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:33:51,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:33:51,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:33:51,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:33:51,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:33:51,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:33:51,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:33:51,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:33:51,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:33:51,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:33:51,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:33:51,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:33:51,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:33:51,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:33:51,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:33:51,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:33:51,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:33:51,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:33:51,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:33:51,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:33:51,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:33:51,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:33:51,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:33:51,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:33:51,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:33:51,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:33:51,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:33:51,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:33:51,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:33:51,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:33:51,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:33:51,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:33:51,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:33:51,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:33:51,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:33:51,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:33:51,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:33:51,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 02:33:51,786 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:33:51,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:33:51,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:33:51,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:33:51,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:33:51,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:33:51,788 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:33:51,789 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:33:51,789 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:33:51,789 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:33:51,790 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:33:51,791 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:33:51,791 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:33:51,791 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:33:51,791 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:33:51,792 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:33:51,792 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:33:51,792 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:33:51,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:33:51,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:33:51,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:33:51,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:33:51,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:33:51,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:33:51,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:33:51,795 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:33:51,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:33:51,795 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:33:51,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:33:51,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:33:51,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:33:51,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:33:51,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:33:51,797 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:33:51,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:33:51,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:33:51,798 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:33:51,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:33:51,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:33:51,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:33:51,799 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_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8396d1a6b2a57463a0c5e8be9bfbd7b7bbcabc9a12140bf6abc41dfa764758e3 [2022-11-22 02:33:52,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:33:52,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:33:52,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:33:52,136 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:33:52,137 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:33:52,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_07_good.i [2022-11-22 02:33:55,279 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:33:55,675 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:33:55,677 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_07_good.i [2022-11-22 02:33:55,709 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/data/acebcb66e/c4640a6346d44eabb557eb4e879c371c/FLAG6b6b88643 [2022-11-22 02:33:55,725 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/data/acebcb66e/c4640a6346d44eabb557eb4e879c371c [2022-11-22 02:33:55,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:33:55,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:33:55,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:33:55,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:33:55,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:33:55,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:33:55" (1/1) ... [2022-11-22 02:33:55,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8e87de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:55, skipping insertion in model container [2022-11-22 02:33:55,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:33:55" (1/1) ... [2022-11-22 02:33:55,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:33:55,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:33:56,346 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 02:33:56,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:33:57,010 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:33:57,033 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 02:33:57,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:33:57,304 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:33:57,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:57 WrapperNode [2022-11-22 02:33:57,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:33:57,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:33:57,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:33:57,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:33:57,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:57" (1/1) ... [2022-11-22 02:33:57,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:57" (1/1) ... [2022-11-22 02:33:57,372 INFO L138 Inliner]: procedures = 503, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2022-11-22 02:33:57,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:33:57,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:33:57,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:33:57,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:33:57,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:57" (1/1) ... [2022-11-22 02:33:57,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:57" (1/1) ... [2022-11-22 02:33:57,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:57" (1/1) ... [2022-11-22 02:33:57,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:57" (1/1) ... [2022-11-22 02:33:57,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:57" (1/1) ... [2022-11-22 02:33:57,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:57" (1/1) ... [2022-11-22 02:33:57,425 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:57" (1/1) ... [2022-11-22 02:33:57,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:57" (1/1) ... [2022-11-22 02:33:57,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:33:57,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:33:57,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:33:57,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:33:57,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:57" (1/1) ... [2022-11-22 02:33:57,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:33:57,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:33:57,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:33:57,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:33:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-22 02:33:57,546 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-22 02:33:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-22 02:33:57,546 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-22 02:33:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:33:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:33:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:33:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:33:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:33:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:33:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-22 02:33:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:33:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:33:57,735 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:33:57,737 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:33:57,996 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:33:58,090 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:33:58,090 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:33:58,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:33:58 BoogieIcfgContainer [2022-11-22 02:33:58,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:33:58,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:33:58,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:33:58,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:33:58,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:33:55" (1/3) ... [2022-11-22 02:33:58,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7388c54f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:33:58, skipping insertion in model container [2022-11-22 02:33:58,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:57" (2/3) ... [2022-11-22 02:33:58,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7388c54f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:33:58, skipping insertion in model container [2022-11-22 02:33:58,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:33:58" (3/3) ... [2022-11-22 02:33:58,104 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_07_good.i [2022-11-22 02:33:58,125 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:33:58,125 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-22 02:33:58,179 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:33:58,186 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;@54bb3754, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:33:58,186 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-22 02:33:58,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.625) internal successors, (39), 39 states have internal predecessors, (39), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 02:33:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 02:33:58,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:58,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:33:58,200 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)] === [2022-11-22 02:33:58,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:58,206 INFO L85 PathProgramCache]: Analyzing trace with hash -2062542409, now seen corresponding path program 1 times [2022-11-22 02:33:58,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:33:58,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756150821] [2022-11-22 02:33:58,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:58,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:33:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:58,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:33:58,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:33:58,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756150821] [2022-11-22 02:33:58,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756150821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:33:58,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:33:58,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:33:58,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296936600] [2022-11-22 02:33:58,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:33:58,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:33:58,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:33:58,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:33:58,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:33:58,724 INFO L87 Difference]: Start difference. First operand has 45 states, 24 states have (on average 1.625) internal successors, (39), 39 states have internal predecessors, (39), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:33:58,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:33:58,854 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2022-11-22 02:33:58,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:33:58,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2022-11-22 02:33:58,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:33:58,866 INFO L225 Difference]: With dead ends: 45 [2022-11-22 02:33:58,867 INFO L226 Difference]: Without dead ends: 39 [2022-11-22 02:33:58,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:33:58,874 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:33:58,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 128 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:33:58,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-22 02:33:58,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-22 02:33:58,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 34 states have internal predecessors, (34), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-22 02:33:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2022-11-22 02:33:58,918 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 8 [2022-11-22 02:33:58,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:33:58,920 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2022-11-22 02:33:58,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:33:58,921 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2022-11-22 02:33:58,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:33:58,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:58,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:33:58,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:33:58,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 02:33:58,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:58,924 INFO L85 PathProgramCache]: Analyzing trace with hash 485694824, now seen corresponding path program 1 times [2022-11-22 02:33:58,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:33:58,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839644509] [2022-11-22 02:33:58,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:58,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:33:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:59,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:33:59,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:33:59,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839644509] [2022-11-22 02:33:59,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839644509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:33:59,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:33:59,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:33:59,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068873448] [2022-11-22 02:33:59,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:33:59,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:33:59,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:33:59,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:33:59,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:33:59,317 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:33:59,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:33:59,499 INFO L93 Difference]: Finished difference Result 66 states and 81 transitions. [2022-11-22 02:33:59,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:33:59,500 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-22 02:33:59,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:33:59,501 INFO L225 Difference]: With dead ends: 66 [2022-11-22 02:33:59,502 INFO L226 Difference]: Without dead ends: 36 [2022-11-22 02:33:59,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:33:59,504 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 41 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:33:59,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 65 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:33:59,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-22 02:33:59,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-22 02:33:59,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 29 states have internal predecessors, (29), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-22 02:33:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2022-11-22 02:33:59,513 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 9 [2022-11-22 02:33:59,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:33:59,514 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2022-11-22 02:33:59,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:33:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2022-11-22 02:33:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:33:59,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:59,515 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:33:59,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:33:59,516 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)] === [2022-11-22 02:33:59,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:59,517 INFO L85 PathProgramCache]: Analyzing trace with hash 10541747, now seen corresponding path program 1 times [2022-11-22 02:33:59,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:33:59,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415241235] [2022-11-22 02:33:59,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:59,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:33:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:59,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 02:33:59,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:33:59,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415241235] [2022-11-22 02:33:59,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415241235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:33:59,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:33:59,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:33:59,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629315164] [2022-11-22 02:33:59,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:33:59,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:33:59,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:33:59,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:33:59,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:33:59,646 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 02:33:59,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:33:59,710 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2022-11-22 02:33:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:33:59,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2022-11-22 02:33:59,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:33:59,711 INFO L225 Difference]: With dead ends: 36 [2022-11-22 02:33:59,712 INFO L226 Difference]: Without dead ends: 35 [2022-11-22 02:33:59,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:33:59,713 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:33:59,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 80 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:33:59,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-22 02:33:59,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-22 02:33:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 28 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-22 02:33:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2022-11-22 02:33:59,722 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 14 [2022-11-22 02:33:59,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:33:59,722 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2022-11-22 02:33:59,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 02:33:59,723 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-11-22 02:33:59,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 02:33:59,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:59,724 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:33:59,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:33:59,724 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 02:33:59,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:59,725 INFO L85 PathProgramCache]: Analyzing trace with hash 326794244, now seen corresponding path program 1 times [2022-11-22 02:33:59,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:33:59,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986980560] [2022-11-22 02:33:59,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:59,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:33:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 02:34:00,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:00,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986980560] [2022-11-22 02:34:00,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986980560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:00,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:00,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:34:00,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275991377] [2022-11-22 02:34:00,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:00,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:34:00,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:00,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:34:00,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:34:00,044 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 02:34:00,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:00,179 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-11-22 02:34:00,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:34:00,181 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2022-11-22 02:34:00,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:00,182 INFO L225 Difference]: With dead ends: 35 [2022-11-22 02:34:00,183 INFO L226 Difference]: Without dead ends: 34 [2022-11-22 02:34:00,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:34:00,196 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 35 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:00,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 59 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:34:00,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-22 02:34:00,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-22 02:34:00,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 27 states have internal predecessors, (27), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-22 02:34:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2022-11-22 02:34:00,204 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 15 [2022-11-22 02:34:00,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:00,205 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2022-11-22 02:34:00,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 02:34:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2022-11-22 02:34:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 02:34:00,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:00,209 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:00,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:34:00,210 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 02:34:00,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:00,212 INFO L85 PathProgramCache]: Analyzing trace with hash 763157054, now seen corresponding path program 1 times [2022-11-22 02:34:00,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:00,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708752655] [2022-11-22 02:34:00,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:00,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:00,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 02:34:00,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:00,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708752655] [2022-11-22 02:34:00,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708752655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:00,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:00,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:34:00,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226818782] [2022-11-22 02:34:00,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:00,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:34:00,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:00,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:34:00,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:34:00,366 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 02:34:00,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:00,410 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2022-11-22 02:34:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:34:00,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2022-11-22 02:34:00,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:00,418 INFO L225 Difference]: With dead ends: 34 [2022-11-22 02:34:00,418 INFO L226 Difference]: Without dead ends: 32 [2022-11-22 02:34:00,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:34:00,425 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:00,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 54 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:34:00,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-22 02:34:00,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-22 02:34:00,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 25 states have internal predecessors, (25), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-22 02:34:00,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2022-11-22 02:34:00,433 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 20 [2022-11-22 02:34:00,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:00,434 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2022-11-22 02:34:00,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 02:34:00,434 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-22 02:34:00,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 02:34:00,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:00,436 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:00,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:34:00,436 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 02:34:00,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:00,437 INFO L85 PathProgramCache]: Analyzing trace with hash 297211695, now seen corresponding path program 1 times [2022-11-22 02:34:00,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:00,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753419555] [2022-11-22 02:34:00,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:00,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:00,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 02:34:00,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:00,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753419555] [2022-11-22 02:34:00,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753419555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:00,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:00,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:34:00,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139074154] [2022-11-22 02:34:00,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:00,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:34:00,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:00,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:34:00,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:34:00,570 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 02:34:00,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:00,617 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2022-11-22 02:34:00,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:34:00,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2022-11-22 02:34:00,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:00,618 INFO L225 Difference]: With dead ends: 32 [2022-11-22 02:34:00,618 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 02:34:00,619 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 [2022-11-22 02:34:00,620 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 20 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:00,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 44 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:34:00,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 02:34:00,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 02:34:00,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:34:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 02:34:00,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-11-22 02:34:00,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:00,623 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 02:34:00,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 02:34:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 02:34:00,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 02:34:00,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-22 02:34:00,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-22 02:34:00,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-22 02:34:00,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-22 02:34:00,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-22 02:34:00,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-22 02:34:00,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-22 02:34:00,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-22 02:34:00,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:34:00,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 02:34:00,691 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-22 02:34:00,692 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-22 02:34:00,692 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-22 02:34:00,692 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-22 02:34:00,693 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) (= ~staticFive~0 5)) [2022-11-22 02:34:00,693 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2022-11-22 02:34:00,693 INFO L899 garLoopResultBuilder]: For program point L1629(line 1629) no Hoare annotation was computed. [2022-11-22 02:34:00,693 INFO L899 garLoopResultBuilder]: For program point L1629-1(line 1629) no Hoare annotation was computed. [2022-11-22 02:34:00,693 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1572) no Hoare annotation was computed. [2022-11-22 02:34:00,693 INFO L895 garLoopResultBuilder]: At program point L1559(line 1559) the Hoare annotation is: false [2022-11-22 02:34:00,693 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2022-11-22 02:34:00,694 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1608) no Hoare annotation was computed. [2022-11-22 02:34:00,694 INFO L899 garLoopResultBuilder]: For program point L1601-1(lines 1598 1617) no Hoare annotation was computed. [2022-11-22 02:34:00,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1565) no Hoare annotation was computed. [2022-11-22 02:34:00,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 02:34:00,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2022-11-22 02:34:00,694 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1617) no Hoare annotation was computed. [2022-11-22 02:34:00,695 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) (= ~staticFive~0 5)) [2022-11-22 02:34:00,695 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) (= ~staticFive~0 5)) [2022-11-22 02:34:00,695 INFO L899 garLoopResultBuilder]: For program point L1622-2(lines 1619 1634) no Hoare annotation was computed. [2022-11-22 02:34:00,695 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1634) no Hoare annotation was computed. [2022-11-22 02:34:00,695 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1594) no Hoare annotation was computed. [2022-11-22 02:34:00,696 INFO L902 garLoopResultBuilder]: At program point L1647(line 1647) the Hoare annotation is: true [2022-11-22 02:34:00,696 INFO L895 garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: (= ~staticFive~0 5) [2022-11-22 02:34:00,696 INFO L902 garLoopResultBuilder]: At program point L1647-1(line 1647) the Hoare annotation is: true [2022-11-22 02:34:00,696 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1565) no Hoare annotation was computed. [2022-11-22 02:34:00,696 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 02:34:00,697 INFO L902 garLoopResultBuilder]: At program point L1631(line 1631) the Hoare annotation is: true [2022-11-22 02:34:00,697 INFO L899 garLoopResultBuilder]: For program point L1565(line 1565) no Hoare annotation was computed. [2022-11-22 02:34:00,697 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2022-11-22 02:34:00,697 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2022-11-22 02:34:00,697 INFO L899 garLoopResultBuilder]: For program point L1553-2(lines 1550 1574) no Hoare annotation was computed. [2022-11-22 02:34:00,697 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: false [2022-11-22 02:34:00,698 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2022-11-22 02:34:00,698 INFO L899 garLoopResultBuilder]: For program point L1587(line 1587) no Hoare annotation was computed. [2022-11-22 02:34:00,698 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-11-22 02:34:00,698 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1595) no Hoare annotation was computed. [2022-11-22 02:34:00,698 INFO L895 garLoopResultBuilder]: At program point L1645(line 1645) the Hoare annotation is: (= ~staticFive~0 5) [2022-11-22 02:34:00,698 INFO L899 garLoopResultBuilder]: For program point L1645-1(line 1645) no Hoare annotation was computed. [2022-11-22 02:34:00,699 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-11-22 02:34:00,699 INFO L899 garLoopResultBuilder]: For program point L1612-1(line 1612) no Hoare annotation was computed. [2022-11-22 02:34:00,699 INFO L899 garLoopResultBuilder]: For program point L1579-2(lines 1576 1596) no Hoare annotation was computed. [2022-11-22 02:34:00,699 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2022-11-22 02:34:00,699 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) (= ~staticFive~0 5)) [2022-11-22 02:34:00,700 INFO L899 garLoopResultBuilder]: For program point L1571-1(lines 1557 1573) no Hoare annotation was computed. [2022-11-22 02:34:00,703 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-22 02:34:00,706 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:34:00,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:34:00 BoogieIcfgContainer [2022-11-22 02:34:00,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:34:00,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:34:00,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:34:00,718 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:34:00,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:33:58" (3/4) ... [2022-11-22 02:34:00,722 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 02:34:00,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-22 02:34:00,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-22 02:34:00,749 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-22 02:34:00,749 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-22 02:34:00,750 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 02:34:00,750 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:34:00,816 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:34:00,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:34:00,817 INFO L158 Benchmark]: Toolchain (without parser) took 5086.99ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 138.9MB in the beginning and 141.5MB in the end (delta: -2.6MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2022-11-22 02:34:00,817 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:34:00,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1572.24ms. Allocated memory is still 188.7MB. Free memory was 138.9MB in the beginning and 147.4MB in the end (delta: -8.4MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2022-11-22 02:34:00,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.72ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 144.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:34:00,821 INFO L158 Benchmark]: Boogie Preprocessor took 69.09ms. Allocated memory is still 188.7MB. Free memory was 144.2MB in the beginning and 142.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:34:00,821 INFO L158 Benchmark]: RCFGBuilder took 650.63ms. Allocated memory is still 188.7MB. Free memory was 142.1MB in the beginning and 122.2MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-22 02:34:00,822 INFO L158 Benchmark]: TraceAbstraction took 2621.17ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 121.1MB in the beginning and 145.7MB in the end (delta: -24.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-11-22 02:34:00,822 INFO L158 Benchmark]: Witness Printer took 98.69ms. Allocated memory is still 226.5MB. Free memory was 145.7MB in the beginning and 141.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 02:34:00,825 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1572.24ms. Allocated memory is still 188.7MB. Free memory was 138.9MB in the beginning and 147.4MB in the end (delta: -8.4MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.72ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 144.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.09ms. Allocated memory is still 188.7MB. Free memory was 144.2MB in the beginning and 142.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 650.63ms. Allocated memory is still 188.7MB. Free memory was 142.1MB in the beginning and 122.2MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2621.17ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 121.1MB in the beginning and 145.7MB in the end (delta: -24.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 98.69ms. Allocated memory is still 226.5MB. Free memory was 145.7MB in the beginning and 141.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 45 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 430 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 264 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 166 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 24 PreInvPairs, 27 NumberOfFragments, 65 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1647]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-22 02:34:00,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66ad049-92bc-4e26-ad05-8d532f8756c6/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE