./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0 --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 968635f18a28870168009bfe8d7e422c316a8658b55cd7107db985a9eb51370f --- 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-e04fb08 [2022-11-16 20:03:11,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:03:11,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:03:11,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:03:11,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:03:11,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:03:11,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:03:11,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:03:11,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:03:11,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:03:11,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:03:11,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:03:11,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:03:11,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:03:11,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:03:11,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:03:11,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:03:11,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:03:11,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:03:11,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:03:11,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:03:11,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:03:11,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:03:11,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:03:11,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:03:11,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:03:11,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:03:11,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:03:11,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:03:11,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:03:11,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:03:11,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:03:11,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:03:11,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:03:11,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:03:11,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:03:11,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:03:11,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:03:11,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:03:11,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:03:11,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:03:11,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-16 20:03:11,915 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:03:11,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:03:11,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:03:11,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:03:11,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:03:11,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:03:11,918 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:03:11,918 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:03:11,919 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:03:11,919 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:03:11,919 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:03:11,919 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:03:11,920 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:03:11,920 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:03:11,920 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:03:11,921 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:03:11,921 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:03:11,921 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:03:11,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:03:11,922 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 20:03:11,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:03:11,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:03:11,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:03:11,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:03:11,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:03:11,924 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 20:03:11,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:03:11,924 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:03:11,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:03:11,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:03:11,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:03:11,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:03:11,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:03:11,926 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:03:11,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:03:11,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:03:11,927 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:03:11,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:03:11,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:03:11,928 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:03:11,928 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_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 968635f18a28870168009bfe8d7e422c316a8658b55cd7107db985a9eb51370f [2022-11-16 20:03:12,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:03:12,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:03:12,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:03:12,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:03:12,291 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:03:12,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_15_good.i [2022-11-16 20:03:12,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/data/94b0d56a3/3532b4dce89d403e83f4d2ca5fe632c1/FLAG9c4d4f610 [2022-11-16 20:03:13,145 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:03:13,149 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_15_good.i [2022-11-16 20:03:13,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/data/94b0d56a3/3532b4dce89d403e83f4d2ca5fe632c1/FLAG9c4d4f610 [2022-11-16 20:03:13,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/data/94b0d56a3/3532b4dce89d403e83f4d2ca5fe632c1 [2022-11-16 20:03:13,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:03:13,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:03:13,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:03:13,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:03:13,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:03:13,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:03:13" (1/1) ... [2022-11-16 20:03:13,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:13, skipping insertion in model container [2022-11-16 20:03:13,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:03:13" (1/1) ... [2022-11-16 20:03:13,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:03:13,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:03:13,847 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 20:03:14,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:03:14,457 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:03:14,475 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 20:03:14,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:03:14,674 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:03:14,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:14 WrapperNode [2022-11-16 20:03:14,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:03:14,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:03:14,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:03:14,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:03:14,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:14" (1/1) ... [2022-11-16 20:03:14,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:14" (1/1) ... [2022-11-16 20:03:14,795 INFO L138 Inliner]: procedures = 503, calls = 163, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 239 [2022-11-16 20:03:14,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:03:14,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:03:14,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:03:14,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:03:14,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:14" (1/1) ... [2022-11-16 20:03:14,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:14" (1/1) ... [2022-11-16 20:03:14,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:14" (1/1) ... [2022-11-16 20:03:14,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:14" (1/1) ... [2022-11-16 20:03:14,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:14" (1/1) ... [2022-11-16 20:03:14,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:14" (1/1) ... [2022-11-16 20:03:14,843 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:14" (1/1) ... [2022-11-16 20:03:14,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:14" (1/1) ... [2022-11-16 20:03:14,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:03:14,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:03:14,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:03:14,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:03:14,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:14" (1/1) ... [2022-11-16 20:03:14,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:03:14,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:03:14,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:03:14,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:03:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-16 20:03:14,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-16 20:03:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-16 20:03:14,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-16 20:03:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:03:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:03:14,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:03:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-16 20:03:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:03:15,182 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:03:15,184 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:03:15,516 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:03:15,565 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:03:15,565 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 20:03:15,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:03:15 BoogieIcfgContainer [2022-11-16 20:03:15,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:03:15,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:03:15,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:03:15,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:03:15,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:03:13" (1/3) ... [2022-11-16 20:03:15,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8886ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:03:15, skipping insertion in model container [2022-11-16 20:03:15,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:14" (2/3) ... [2022-11-16 20:03:15,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8886ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:03:15, skipping insertion in model container [2022-11-16 20:03:15,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:03:15" (3/3) ... [2022-11-16 20:03:15,578 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_15_good.i [2022-11-16 20:03:15,599 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:03:15,600 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-16 20:03:15,651 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:03:15,658 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;@1514d71a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:03:15,658 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-16 20:03:15,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 38 states have (on average 1.6578947368421053) internal successors, (63), 60 states have internal predecessors, (63), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-16 20:03:15,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 20:03:15,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:03:15,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:03:15,672 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)] === [2022-11-16 20:03:15,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:03:15,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1580911178, now seen corresponding path program 1 times [2022-11-16 20:03:15,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:03:15,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438905247] [2022-11-16 20:03:15,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:03:15,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:03:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:03:16,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:03:16,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:03:16,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438905247] [2022-11-16 20:03:16,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438905247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:03:16,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:03:16,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:03:16,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300798925] [2022-11-16 20:03:16,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:03:16,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:03:16,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:03:16,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:03:16,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:16,149 INFO L87 Difference]: Start difference. First operand has 65 states, 38 states have (on average 1.6578947368421053) internal successors, (63), 60 states have internal predecessors, (63), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-16 20:03:16,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:03:16,284 INFO L93 Difference]: Finished difference Result 167 states and 244 transitions. [2022-11-16 20:03:16,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:03:16,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11 [2022-11-16 20:03:16,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:03:16,304 INFO L225 Difference]: With dead ends: 167 [2022-11-16 20:03:16,315 INFO L226 Difference]: Without dead ends: 100 [2022-11-16 20:03:16,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:16,322 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 47 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:03:16,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 177 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 20:03:16,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-16 20:03:16,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 62. [2022-11-16 20:03:16,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 39 states have (on average 1.6153846153846154) internal successors, (63), 58 states have internal predecessors, (63), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 20:03:16,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2022-11-16 20:03:16,383 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 11 [2022-11-16 20:03:16,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:03:16,383 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2022-11-16 20:03:16,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-16 20:03:16,384 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2022-11-16 20:03:16,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 20:03:16,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:03:16,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:03:16,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:03:16,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 20:03:16,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:03:16,386 INFO L85 PathProgramCache]: Analyzing trace with hash -819245347, now seen corresponding path program 1 times [2022-11-16 20:03:16,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:03:16,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62663270] [2022-11-16 20:03:16,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:03:16,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:03:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:03:16,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:03:16,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:03:16,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62663270] [2022-11-16 20:03:16,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62663270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:03:16,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:03:16,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:03:16,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266559784] [2022-11-16 20:03:16,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:03:16,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:03:16,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:03:16,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:03:16,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:16,497 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-16 20:03:16,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:03:16,530 INFO L93 Difference]: Finished difference Result 105 states and 149 transitions. [2022-11-16 20:03:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:03:16,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2022-11-16 20:03:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:03:16,532 INFO L225 Difference]: With dead ends: 105 [2022-11-16 20:03:16,533 INFO L226 Difference]: Without dead ends: 51 [2022-11-16 20:03:16,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:16,535 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 1 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:03:16,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 124 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 20:03:16,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-16 20:03:16,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-16 20:03:16,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.53125) internal successors, (49), 47 states have internal predecessors, (49), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 20:03:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2022-11-16 20:03:16,551 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 71 transitions. Word has length 12 [2022-11-16 20:03:16,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:03:16,553 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 71 transitions. [2022-11-16 20:03:16,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-16 20:03:16,554 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2022-11-16 20:03:16,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 20:03:16,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:03:16,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:03:16,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 20:03:16,557 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)] === [2022-11-16 20:03:16,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:03:16,558 INFO L85 PathProgramCache]: Analyzing trace with hash -782652151, now seen corresponding path program 1 times [2022-11-16 20:03:16,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:03:16,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601586526] [2022-11-16 20:03:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:03:16,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:03:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:03:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:03:16,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:03:16,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601586526] [2022-11-16 20:03:16,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601586526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:03:16,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:03:16,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:03:16,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407526474] [2022-11-16 20:03:16,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:03:16,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:03:16,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:03:16,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:03:16,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:16,621 INFO L87 Difference]: Start difference. First operand 51 states and 71 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-16 20:03:16,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:03:16,654 INFO L93 Difference]: Finished difference Result 92 states and 127 transitions. [2022-11-16 20:03:16,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:03:16,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 15 [2022-11-16 20:03:16,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:03:16,656 INFO L225 Difference]: With dead ends: 92 [2022-11-16 20:03:16,656 INFO L226 Difference]: Without dead ends: 51 [2022-11-16 20:03:16,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:16,658 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 2 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 117 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 [2022-11-16 20:03:16,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 117 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 20:03:16,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-16 20:03:16,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-16 20:03:16,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.5) internal successors, (48), 46 states have internal predecessors, (48), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 20:03:16,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 70 transitions. [2022-11-16 20:03:16,666 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 70 transitions. Word has length 15 [2022-11-16 20:03:16,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:03:16,667 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 70 transitions. [2022-11-16 20:03:16,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-16 20:03:16,667 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-16 20:03:16,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 20:03:16,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:03:16,669 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:03:16,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 20:03:16,669 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)] === [2022-11-16 20:03:16,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:03:16,670 INFO L85 PathProgramCache]: Analyzing trace with hash -870808288, now seen corresponding path program 1 times [2022-11-16 20:03:16,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:03:16,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612083853] [2022-11-16 20:03:16,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:03:16,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:03:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:03:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 20:03:16,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:03:16,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612083853] [2022-11-16 20:03:16,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612083853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:03:16,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:03:16,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:03:16,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785763229] [2022-11-16 20:03:16,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:03:16,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:03:16,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:03:16,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:03:16,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:16,726 INFO L87 Difference]: Start difference. First operand 51 states and 70 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 20:03:16,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:03:16,783 INFO L93 Difference]: Finished difference Result 92 states and 126 transitions. [2022-11-16 20:03:16,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:03:16,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2022-11-16 20:03:16,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:03:16,785 INFO L225 Difference]: With dead ends: 92 [2022-11-16 20:03:16,786 INFO L226 Difference]: Without dead ends: 50 [2022-11-16 20:03:16,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:16,789 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:03:16,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 20:03:16,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-16 20:03:16,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-16 20:03:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.46875) internal successors, (47), 45 states have internal predecessors, (47), 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) [2022-11-16 20:03:16,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2022-11-16 20:03:16,813 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 67 transitions. Word has length 17 [2022-11-16 20:03:16,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:03:16,814 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 67 transitions. [2022-11-16 20:03:16,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 20:03:16,814 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-16 20:03:16,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 20:03:16,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:03:16,815 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:03:16,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 20:03:16,816 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)] === [2022-11-16 20:03:16,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:03:16,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1634167547, now seen corresponding path program 1 times [2022-11-16 20:03:16,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:03:16,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975565151] [2022-11-16 20:03:16,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:03:16,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:03:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:03:16,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 20:03:16,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:03:16,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975565151] [2022-11-16 20:03:16,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975565151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:03:16,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:03:16,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:03:16,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105092327] [2022-11-16 20:03:16,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:03:16,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:03:16,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:03:16,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:03:16,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:16,926 INFO L87 Difference]: Start difference. First operand 50 states and 67 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-16 20:03:16,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:03:16,965 INFO L93 Difference]: Finished difference Result 108 states and 144 transitions. [2022-11-16 20:03:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:03:16,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 19 [2022-11-16 20:03:16,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:03:16,968 INFO L225 Difference]: With dead ends: 108 [2022-11-16 20:03:16,968 INFO L226 Difference]: Without dead ends: 77 [2022-11-16 20:03:16,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:16,970 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 26 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 119 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 [2022-11-16 20:03:16,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 119 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 20:03:16,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-16 20:03:16,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 53. [2022-11-16 20:03:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.457142857142857) internal successors, (51), 48 states have internal predecessors, (51), 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) [2022-11-16 20:03:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 71 transitions. [2022-11-16 20:03:16,980 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 71 transitions. Word has length 19 [2022-11-16 20:03:16,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:03:16,981 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 71 transitions. [2022-11-16 20:03:16,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-16 20:03:16,981 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2022-11-16 20:03:16,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 20:03:16,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:03:16,982 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:03:16,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 20:03:16,983 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 20:03:16,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:03:16,984 INFO L85 PathProgramCache]: Analyzing trace with hash -825094548, now seen corresponding path program 1 times [2022-11-16 20:03:16,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:03:16,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189506060] [2022-11-16 20:03:16,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:03:16,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:03:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:03:17,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 20:03:17,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:03:17,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189506060] [2022-11-16 20:03:17,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189506060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:03:17,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:03:17,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:03:17,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896365154] [2022-11-16 20:03:17,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:03:17,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:03:17,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:03:17,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:03:17,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:17,059 INFO L87 Difference]: Start difference. First operand 53 states and 71 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-16 20:03:17,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:03:17,085 INFO L93 Difference]: Finished difference Result 82 states and 109 transitions. [2022-11-16 20:03:17,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:03:17,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 20 [2022-11-16 20:03:17,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:03:17,087 INFO L225 Difference]: With dead ends: 82 [2022-11-16 20:03:17,087 INFO L226 Difference]: Without dead ends: 43 [2022-11-16 20:03:17,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:17,089 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 1 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:03:17,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 93 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 20:03:17,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-16 20:03:17,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-16 20:03:17,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 38 states have internal predecessors, (39), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 20:03:17,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 55 transitions. [2022-11-16 20:03:17,096 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 55 transitions. Word has length 20 [2022-11-16 20:03:17,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:03:17,097 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 55 transitions. [2022-11-16 20:03:17,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-16 20:03:17,097 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-16 20:03:17,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 20:03:17,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:03:17,098 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:03:17,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 20:03:17,099 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 20:03:17,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:03:17,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1113528717, now seen corresponding path program 1 times [2022-11-16 20:03:17,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:03:17,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418994467] [2022-11-16 20:03:17,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:03:17,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:03:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:03:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 20:03:17,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:03:17,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418994467] [2022-11-16 20:03:17,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418994467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:03:17,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:03:17,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:03:17,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349717781] [2022-11-16 20:03:17,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:03:17,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:03:17,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:03:17,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:03:17,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:17,164 INFO L87 Difference]: Start difference. First operand 43 states and 55 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-16 20:03:17,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:03:17,191 INFO L93 Difference]: Finished difference Result 69 states and 87 transitions. [2022-11-16 20:03:17,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:03:17,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 23 [2022-11-16 20:03:17,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:03:17,193 INFO L225 Difference]: With dead ends: 69 [2022-11-16 20:03:17,193 INFO L226 Difference]: Without dead ends: 41 [2022-11-16 20:03:17,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:17,195 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:03:17,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 81 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 20:03:17,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-16 20:03:17,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-16 20:03:17,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 35 states have internal predecessors, (36), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-16 20:03:17,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2022-11-16 20:03:17,202 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 23 [2022-11-16 20:03:17,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:03:17,202 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2022-11-16 20:03:17,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-16 20:03:17,203 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-11-16 20:03:17,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 20:03:17,204 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:03:17,204 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] [2022-11-16 20:03:17,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 20:03:17,205 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 20:03:17,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:03:17,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1633733435, now seen corresponding path program 1 times [2022-11-16 20:03:17,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:03:17,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723706285] [2022-11-16 20:03:17,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:03:17,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:03:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:03:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 20:03:17,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:03:17,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723706285] [2022-11-16 20:03:17,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723706285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:03:17,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:03:17,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:03:17,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234546858] [2022-11-16 20:03:17,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:03:17,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:03:17,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:03:17,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:03:17,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:03:17,335 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-16 20:03:17,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:03:17,390 INFO L93 Difference]: Finished difference Result 59 states and 73 transitions. [2022-11-16 20:03:17,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:03:17,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 26 [2022-11-16 20:03:17,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:03:17,396 INFO L225 Difference]: With dead ends: 59 [2022-11-16 20:03:17,396 INFO L226 Difference]: Without dead ends: 57 [2022-11-16 20:03:17,396 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 [2022-11-16 20:03:17,399 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 16 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:03:17,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 123 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 20:03:17,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-16 20:03:17,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 45. [2022-11-16 20:03:17,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.28125) internal successors, (41), 38 states have internal predecessors, (41), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-16 20:03:17,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2022-11-16 20:03:17,420 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 26 [2022-11-16 20:03:17,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:03:17,421 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2022-11-16 20:03:17,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-16 20:03:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-11-16 20:03:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 20:03:17,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:03:17,427 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:03:17,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 20:03:17,428 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 20:03:17,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:03:17,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1825466361, now seen corresponding path program 1 times [2022-11-16 20:03:17,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:03:17,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289131616] [2022-11-16 20:03:17,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:03:17,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:03:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:03:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 20:03:17,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:03:17,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289131616] [2022-11-16 20:03:17,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289131616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:03:17,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:03:17,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:03:17,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128345675] [2022-11-16 20:03:17,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:03:17,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:03:17,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:03:17,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:03:17,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:17,497 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 20:03:17,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:03:17,537 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2022-11-16 20:03:17,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:03:17,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29 [2022-11-16 20:03:17,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:03:17,540 INFO L225 Difference]: With dead ends: 62 [2022-11-16 20:03:17,540 INFO L226 Difference]: Without dead ends: 38 [2022-11-16 20:03:17,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:17,542 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:03:17,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 20:03:17,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-16 20:03:17,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-16 20:03:17,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 32 states have internal predecessors, (33), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-16 20:03:17,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2022-11-16 20:03:17,546 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 29 [2022-11-16 20:03:17,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:03:17,547 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2022-11-16 20:03:17,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 20:03:17,547 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-11-16 20:03:17,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-16 20:03:17,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:03:17,548 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, 1, 1, 1, 1] [2022-11-16 20:03:17,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 20:03:17,549 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 20:03:17,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:03:17,549 INFO L85 PathProgramCache]: Analyzing trace with hash -645261221, now seen corresponding path program 1 times [2022-11-16 20:03:17,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:03:17,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607824273] [2022-11-16 20:03:17,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:03:17,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:03:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:03:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 20:03:17,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:03:17,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607824273] [2022-11-16 20:03:17,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607824273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:03:17,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:03:17,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:03:17,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669720769] [2022-11-16 20:03:17,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:03:17,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:03:17,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:03:17,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:03:17,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:17,631 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-11-16 20:03:17,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:03:17,658 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2022-11-16 20:03:17,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:03:17,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 31 [2022-11-16 20:03:17,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:03:17,660 INFO L225 Difference]: With dead ends: 50 [2022-11-16 20:03:17,660 INFO L226 Difference]: Without dead ends: 36 [2022-11-16 20:03:17,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:17,661 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 3 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:03:17,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 60 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 20:03:17,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-16 20:03:17,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-16 20:03:17,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 29 states have internal predecessors, (30), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-16 20:03:17,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2022-11-16 20:03:17,675 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 31 [2022-11-16 20:03:17,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:03:17,676 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2022-11-16 20:03:17,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-11-16 20:03:17,676 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-11-16 20:03:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-16 20:03:17,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:03:17,681 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:03:17,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 20:03:17,682 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 20:03:17,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:03:17,682 INFO L85 PathProgramCache]: Analyzing trace with hash -816234911, now seen corresponding path program 1 times [2022-11-16 20:03:17,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:03:17,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586417326] [2022-11-16 20:03:17,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:03:17,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:03:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:03:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 20:03:17,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:03:17,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586417326] [2022-11-16 20:03:17,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586417326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:03:17,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:03:17,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:03:17,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357489558] [2022-11-16 20:03:17,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:03:17,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:03:17,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:03:17,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:03:17,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:03:17,844 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-16 20:03:17,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:03:17,898 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2022-11-16 20:03:17,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:03:17,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 35 [2022-11-16 20:03:17,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:03:17,900 INFO L225 Difference]: With dead ends: 42 [2022-11-16 20:03:17,901 INFO L226 Difference]: Without dead ends: 36 [2022-11-16 20:03:17,901 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 [2022-11-16 20:03:17,902 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 3 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:03:17,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 91 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 20:03:17,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-16 20:03:17,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-16 20:03:17,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 29 states have internal predecessors, (29), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-16 20:03:17,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2022-11-16 20:03:17,909 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 35 [2022-11-16 20:03:17,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:03:17,910 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2022-11-16 20:03:17,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-16 20:03:17,911 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-11-16 20:03:17,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 20:03:17,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:03:17,915 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:03:17,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 20:03:17,916 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 20:03:17,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:03:17,917 INFO L85 PathProgramCache]: Analyzing trace with hash 468306225, now seen corresponding path program 1 times [2022-11-16 20:03:17,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:03:17,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045365567] [2022-11-16 20:03:17,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:03:17,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:03:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:03:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 20:03:18,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:03:18,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045365567] [2022-11-16 20:03:18,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045365567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:03:18,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:03:18,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:03:18,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828801414] [2022-11-16 20:03:18,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:03:18,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:03:18,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:03:18,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:03:18,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:18,016 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-11-16 20:03:18,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:03:18,040 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2022-11-16 20:03:18,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:03:18,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 36 [2022-11-16 20:03:18,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:03:18,042 INFO L225 Difference]: With dead ends: 38 [2022-11-16 20:03:18,042 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 20:03:18,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:03:18,043 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:03:18,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 20:03:18,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 20:03:18,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 20:03:18,045 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) [2022-11-16 20:03:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 20:03:18,046 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-11-16 20:03:18,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:03:18,046 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 20:03:18,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-11-16 20:03:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 20:03:18,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 20:03:18,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-16 20:03:18,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-16 20:03:18,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-16 20:03:18,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-16 20:03:18,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-16 20:03:18,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-16 20:03:18,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-16 20:03:18,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-16 20:03:18,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 20:03:18,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 20:03:18,134 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-16 20:03:18,134 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-16 20:03:18,135 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-16 20:03:18,135 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-16 20:03:18,136 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2022-11-16 20:03:18,136 INFO L902 garLoopResultBuilder]: At program point L1662(line 1662) the Hoare annotation is: true [2022-11-16 20:03:18,136 INFO L899 garLoopResultBuilder]: For program point L1629(line 1629) no Hoare annotation was computed. [2022-11-16 20:03:18,136 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1605) no Hoare annotation was computed. [2022-11-16 20:03:18,137 INFO L899 garLoopResultBuilder]: For program point L1629-1(line 1629) no Hoare annotation was computed. [2022-11-16 20:03:18,137 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2022-11-16 20:03:18,137 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-11-16 20:03:18,137 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1656) no Hoare annotation was computed. [2022-11-16 20:03:18,138 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2022-11-16 20:03:18,138 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 20:03:18,138 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: false [2022-11-16 20:03:18,138 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2022-11-16 20:03:18,139 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2022-11-16 20:03:18,139 INFO L895 garLoopResultBuilder]: At program point L1631(line 1631) the Hoare annotation is: |ULTIMATE.start_goodG2B1_#t~switch99#1| [2022-11-16 20:03:18,139 INFO L899 garLoopResultBuilder]: For program point L1598(line 1598) no Hoare annotation was computed. [2022-11-16 20:03:18,139 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2022-11-16 20:03:18,139 INFO L899 garLoopResultBuilder]: For program point L1656(line 1656) no Hoare annotation was computed. [2022-11-16 20:03:18,140 INFO L899 garLoopResultBuilder]: For program point L1656-1(line 1656) no Hoare annotation was computed. [2022-11-16 20:03:18,140 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: false [2022-11-16 20:03:18,140 INFO L899 garLoopResultBuilder]: For program point L1557(line 1557) no Hoare annotation was computed. [2022-11-16 20:03:18,140 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-11-16 20:03:18,141 INFO L899 garLoopResultBuilder]: For program point L1607(line 1607) no Hoare annotation was computed. [2022-11-16 20:03:18,141 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-11-16 20:03:18,141 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-11-16 20:03:18,141 INFO L895 garLoopResultBuilder]: At program point L1649(line 1649) the Hoare annotation is: false [2022-11-16 20:03:18,142 INFO L895 garLoopResultBuilder]: At program point L1616(lines 1616 1624) the Hoare annotation is: (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-11-16 20:03:18,142 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: false [2022-11-16 20:03:18,143 INFO L895 garLoopResultBuilder]: At program point L1575(line 1575) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch93#1| (<= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-16 20:03:18,143 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: false [2022-11-16 20:03:18,143 INFO L899 garLoopResultBuilder]: For program point L1567(lines 1567 1576) no Hoare annotation was computed. [2022-11-16 20:03:18,143 INFO L902 garLoopResultBuilder]: At program point L1658(line 1658) the Hoare annotation is: true [2022-11-16 20:03:18,144 INFO L895 garLoopResultBuilder]: At program point L1625(lines 1625 1637) the Hoare annotation is: |ULTIMATE.start_goodG2B1_#t~switch99#1| [2022-11-16 20:03:18,144 INFO L895 garLoopResultBuilder]: At program point L1584(lines 1584 1592) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch95#1| (<= 2147483647 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-16 20:03:18,144 INFO L899 garLoopResultBuilder]: For program point L1634(line 1634) no Hoare annotation was computed. [2022-11-16 20:03:18,145 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2022-11-16 20:03:18,145 INFO L895 garLoopResultBuilder]: At program point L1593(lines 1593 1610) the Hoare annotation is: |ULTIMATE.start_goodB2G2_#t~switch96#1| [2022-11-16 20:03:18,145 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-11-16 20:03:18,145 INFO L895 garLoopResultBuilder]: At program point L1552(lines 1552 1560) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch92#1| (<= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-16 20:03:18,145 INFO L902 garLoopResultBuilder]: At program point L1676(line 1676) the Hoare annotation is: true [2022-11-16 20:03:18,146 INFO L899 garLoopResultBuilder]: For program point L1676-1(line 1676) no Hoare annotation was computed. [2022-11-16 20:03:18,146 INFO L895 garLoopResultBuilder]: At program point L1643(lines 1643 1651) the Hoare annotation is: (= |ULTIMATE.start_goodG2B2_~data~3#1| 2) [2022-11-16 20:03:18,146 INFO L895 garLoopResultBuilder]: At program point L1635(line 1635) the Hoare annotation is: false [2022-11-16 20:03:18,147 INFO L899 garLoopResultBuilder]: For program point L1569(line 1569) no Hoare annotation was computed. [2022-11-16 20:03:18,147 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 20:03:18,147 INFO L899 garLoopResultBuilder]: For program point L1569-1(line 1569) no Hoare annotation was computed. [2022-11-16 20:03:18,147 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2022-11-16 20:03:18,147 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-11-16 20:03:18,148 INFO L895 garLoopResultBuilder]: At program point L1561(lines 1561 1578) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch93#1| [2022-11-16 20:03:18,148 INFO L902 garLoopResultBuilder]: At program point L1652(lines 1652 1664) the Hoare annotation is: true [2022-11-16 20:03:18,148 INFO L895 garLoopResultBuilder]: At program point L1619(line 1619) the Hoare annotation is: false [2022-11-16 20:03:18,148 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2022-11-16 20:03:18,149 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2022-11-16 20:03:18,149 INFO L899 garLoopResultBuilder]: For program point L1661(line 1661) no Hoare annotation was computed. [2022-11-16 20:03:18,149 INFO L899 garLoopResultBuilder]: For program point L1595(line 1595) no Hoare annotation was computed. [2022-11-16 20:03:18,149 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-11-16 20:03:18,149 INFO L902 garLoopResultBuilder]: At program point L1678(line 1678) the Hoare annotation is: true [2022-11-16 20:03:18,150 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-11-16 20:03:18,150 INFO L902 garLoopResultBuilder]: At program point L1678-1(line 1678) the Hoare annotation is: true [2022-11-16 20:03:18,150 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1656) no Hoare annotation was computed. [2022-11-16 20:03:18,150 INFO L895 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch96#1| (<= 2147483647 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-16 20:03:18,151 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: false [2022-11-16 20:03:18,154 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:03:18,157 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 20:03:18,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 08:03:18 BoogieIcfgContainer [2022-11-16 20:03:18,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 20:03:18,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 20:03:18,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 20:03:18,193 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 20:03:18,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:03:15" (3/4) ... [2022-11-16 20:03:18,197 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 20:03:18,204 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-16 20:03:18,204 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-16 20:03:18,220 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2022-11-16 20:03:18,221 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2022-11-16 20:03:18,222 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-16 20:03:18,223 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-16 20:03:18,223 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 20:03:18,223 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 20:03:18,224 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 20:03:18,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 20:03:18,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 20:03:18,300 INFO L158 Benchmark]: Toolchain (without parser) took 4997.26ms. Allocated memory was 117.4MB in the beginning and 205.5MB in the end (delta: 88.1MB). Free memory was 68.8MB in the beginning and 126.2MB in the end (delta: -57.4MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2022-11-16 20:03:18,300 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:03:18,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1371.27ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 68.6MB in the beginning and 120.0MB in the end (delta: -51.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-11-16 20:03:18,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.27ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 115.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 20:03:18,301 INFO L158 Benchmark]: Boogie Preprocessor took 49.67ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 114.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:03:18,302 INFO L158 Benchmark]: RCFGBuilder took 720.21ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 90.7MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-16 20:03:18,302 INFO L158 Benchmark]: TraceAbstraction took 2621.54ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 89.7MB in the beginning and 130.4MB in the end (delta: -40.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:03:18,303 INFO L158 Benchmark]: Witness Printer took 106.04ms. Allocated memory is still 205.5MB. Free memory was 130.4MB in the beginning and 126.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 20:03:18,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1371.27ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 68.6MB in the beginning and 120.0MB in the end (delta: -51.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.27ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 115.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.67ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 114.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 720.21ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 90.7MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2621.54ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 89.7MB in the beginning and 130.4MB in the end (delta: -40.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 106.04ms. Allocated memory is still 205.5MB. Free memory was 130.4MB in the beginning and 126.2MB 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: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: 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 - PositiveResult [Line: 1656]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: 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, 65 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 1219 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 620 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 221 IncrementalHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 599 mSDtfsCounter, 221 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 38, 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, 12 MinimizatonAttempts, 74 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 101 PreInvPairs, 121 NumberOfFragments, 47 HoareAnnotationTreeSize, 101 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 44/44 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: 1616]: Loop Invariant Derived loop invariant: 2 == data - InvariantResult [Line: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1561]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: aux-switch(6) { case 6: data = 0x7fffffff; break; default: printLine("Benign, fixed string"); break; }-aux && 2147483647 <= data - InvariantResult [Line: 1593]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1643]: Loop Invariant Derived loop invariant: data == 2 - InvariantResult [Line: 1584]: Loop Invariant Derived loop invariant: aux-switch(6) { case 6: data = 0x7fffffff; break; default: printLine("Benign, fixed string"); break; }-aux && 2147483647 <= data - InvariantResult [Line: 1625]: Loop Invariant Derived loop invariant: NULL RESULT: Ultimate proved your program to be correct! [2022-11-16 20:03:18,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f78c756-79ec-411c-99dd-265d58abc492/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE