./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/a.06.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh --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 90244b6c2e1b1f029f80e9cfc86fb57c09347d52a85284d5d619fffbbf31f641 --- 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-2329fc7 [2022-12-14 08:51:05,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:51:05,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:51:05,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:51:05,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:51:05,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:51:05,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:51:05,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:51:05,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:51:05,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:51:05,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:51:05,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:51:05,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:51:05,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:51:05,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:51:05,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:51:05,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:51:05,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:51:05,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:51:05,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:51:05,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:51:05,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:51:05,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:51:05,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:51:05,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:51:05,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:51:05,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:51:05,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:51:05,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:51:05,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:51:05,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:51:05,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:51:05,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:51:05,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:51:05,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:51:05,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:51:05,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:51:05,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:51:05,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:51:05,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:51:05,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:51:05,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 08:51:05,130 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:51:05,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:51:05,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:51:05,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:51:05,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:51:05,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:51:05,131 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:51:05,131 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:51:05,131 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:51:05,131 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:51:05,131 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:51:05,131 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:51:05,132 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:51:05,132 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:51:05,132 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:51:05,132 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:51:05,132 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:51:05,132 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:51:05,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:51:05,133 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:51:05,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:51:05,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:51:05,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:51:05,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:51:05,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:51:05,133 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:51:05,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:51:05,134 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:51:05,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:51:05,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:51:05,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:51:05,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:51:05,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:51:05,134 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:51:05,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:51:05,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:51:05,135 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:51:05,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:51:05,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:51:05,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:51:05,135 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_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90244b6c2e1b1f029f80e9cfc86fb57c09347d52a85284d5d619fffbbf31f641 [2022-12-14 08:51:05,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:51:05,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:51:05,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:51:05,319 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:51:05,319 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:51:05,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/termination-restricted-15/a.06.c [2022-12-14 08:51:07,772 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:51:07,924 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:51:07,924 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/sv-benchmarks/c/termination-restricted-15/a.06.c [2022-12-14 08:51:07,928 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/data/74aa36e3f/4be77d82e1a04903801053a8d9e84e68/FLAG396d17668 [2022-12-14 08:51:07,938 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/data/74aa36e3f/4be77d82e1a04903801053a8d9e84e68 [2022-12-14 08:51:07,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:51:07,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:51:07,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:51:07,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:51:07,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:51:07,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:51:07" (1/1) ... [2022-12-14 08:51:07,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eaaca3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:07, skipping insertion in model container [2022-12-14 08:51:07,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:51:07" (1/1) ... [2022-12-14 08:51:07,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:51:07,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:51:08,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:51:08,065 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:51:08,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:51:08,086 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:51:08,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:08 WrapperNode [2022-12-14 08:51:08,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:51:08,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:51:08,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:51:08,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:51:08,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:08" (1/1) ... [2022-12-14 08:51:08,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:08" (1/1) ... [2022-12-14 08:51:08,109 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-12-14 08:51:08,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:51:08,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:51:08,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:51:08,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:51:08,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:08" (1/1) ... [2022-12-14 08:51:08,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:08" (1/1) ... [2022-12-14 08:51:08,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:08" (1/1) ... [2022-12-14 08:51:08,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:08" (1/1) ... [2022-12-14 08:51:08,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:08" (1/1) ... [2022-12-14 08:51:08,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:08" (1/1) ... [2022-12-14 08:51:08,124 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:08" (1/1) ... [2022-12-14 08:51:08,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:08" (1/1) ... [2022-12-14 08:51:08,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:51:08,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:51:08,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:51:08,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:51:08,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:08" (1/1) ... [2022-12-14 08:51:08,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:51:08,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:51:08,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:51:08,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:51:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:51:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:51:08,248 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:51:08,250 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:51:08,345 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:51:08,356 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:51:08,357 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 08:51:08,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:51:08 BoogieIcfgContainer [2022-12-14 08:51:08,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:51:08,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:51:08,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:51:08,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:51:08,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:51:07" (1/3) ... [2022-12-14 08:51:08,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282013c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:51:08, skipping insertion in model container [2022-12-14 08:51:08,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:08" (2/3) ... [2022-12-14 08:51:08,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282013c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:51:08, skipping insertion in model container [2022-12-14 08:51:08,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:51:08" (3/3) ... [2022-12-14 08:51:08,366 INFO L112 eAbstractionObserver]: Analyzing ICFG a.06.c [2022-12-14 08:51:08,380 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:51:08,381 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-14 08:51:08,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:51:08,422 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;@8afdc04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:51:08,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-14 08:51:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 31 states have internal predecessors, (37), 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) [2022-12-14 08:51:08,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:51:08,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:08,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:51:08,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:08,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:08,436 INFO L85 PathProgramCache]: Analyzing trace with hash 2956357, now seen corresponding path program 1 times [2022-12-14 08:51:08,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:08,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710039585] [2022-12-14 08:51:08,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:08,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:08,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:08,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:08,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710039585] [2022-12-14 08:51:08,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710039585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:08,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:08,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:51:08,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370717938] [2022-12-14 08:51:08,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:08,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:51:08,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:08,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:51:08,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:51:08,590 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 31 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:08,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:08,638 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2022-12-14 08:51:08,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:51:08,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 08:51:08,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:08,647 INFO L225 Difference]: With dead ends: 34 [2022-12-14 08:51:08,647 INFO L226 Difference]: Without dead ends: 28 [2022-12-14 08:51:08,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:51:08,651 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:08,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 14 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:51:08,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-14 08:51:08,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-12-14 08:51:08,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.6) internal successors, (32), 27 states have internal predecessors, (32), 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) [2022-12-14 08:51:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2022-12-14 08:51:08,678 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 4 [2022-12-14 08:51:08,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:08,679 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2022-12-14 08:51:08,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:08,679 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-12-14 08:51:08,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 08:51:08,679 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:08,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 08:51:08,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:51:08,680 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:08,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:08,681 INFO L85 PathProgramCache]: Analyzing trace with hash 91647111, now seen corresponding path program 1 times [2022-12-14 08:51:08,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:08,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254634393] [2022-12-14 08:51:08,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:08,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:08,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:08,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:08,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254634393] [2022-12-14 08:51:08,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254634393] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:08,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:08,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:51:08,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647516527] [2022-12-14 08:51:08,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:08,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:51:08,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:08,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:51:08,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:51:08,730 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:08,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:08,806 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2022-12-14 08:51:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:51:08,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 08:51:08,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:08,808 INFO L225 Difference]: With dead ends: 51 [2022-12-14 08:51:08,808 INFO L226 Difference]: Without dead ends: 48 [2022-12-14 08:51:08,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:51:08,814 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 48 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:08,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 41 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:51:08,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-14 08:51:08,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2022-12-14 08:51:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 37 states have (on average 1.5405405405405406) internal successors, (57), 43 states have internal predecessors, (57), 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) [2022-12-14 08:51:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2022-12-14 08:51:08,823 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 5 [2022-12-14 08:51:08,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:08,824 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2022-12-14 08:51:08,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:08,824 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2022-12-14 08:51:08,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 08:51:08,825 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:08,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:08,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:51:08,826 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:08,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:08,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1162526250, now seen corresponding path program 1 times [2022-12-14 08:51:08,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:08,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337516491] [2022-12-14 08:51:08,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:08,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:08,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:08,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:08,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337516491] [2022-12-14 08:51:08,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337516491] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:08,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:08,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:51:08,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271832529] [2022-12-14 08:51:08,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:08,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:51:08,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:08,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:51:08,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:51:08,878 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:08,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:08,909 INFO L93 Difference]: Finished difference Result 100 states and 129 transitions. [2022-12-14 08:51:08,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:51:08,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 08:51:08,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:08,910 INFO L225 Difference]: With dead ends: 100 [2022-12-14 08:51:08,910 INFO L226 Difference]: Without dead ends: 57 [2022-12-14 08:51:08,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:51:08,912 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 25 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:08,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 70 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:51:08,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-14 08:51:08,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 46. [2022-12-14 08:51:08,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 39 states have (on average 1.4871794871794872) internal successors, (58), 45 states have internal predecessors, (58), 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) [2022-12-14 08:51:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2022-12-14 08:51:08,920 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 8 [2022-12-14 08:51:08,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:08,920 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2022-12-14 08:51:08,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-12-14 08:51:08,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 08:51:08,921 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:08,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:08,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:51:08,922 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:08,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:08,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1162476630, now seen corresponding path program 1 times [2022-12-14 08:51:08,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:08,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332335415] [2022-12-14 08:51:08,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:08,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:08,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:08,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:08,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332335415] [2022-12-14 08:51:08,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332335415] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:08,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:08,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:51:08,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592769965] [2022-12-14 08:51:08,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:08,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:51:08,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:08,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:51:08,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:51:08,966 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:08,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:08,989 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions. [2022-12-14 08:51:08,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:51:08,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 08:51:08,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:08,990 INFO L225 Difference]: With dead ends: 46 [2022-12-14 08:51:08,990 INFO L226 Difference]: Without dead ends: 44 [2022-12-14 08:51:08,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:51:08,991 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:08,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 14 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:51:08,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-14 08:51:08,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 27. [2022-12-14 08:51:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 26 states have internal predecessors, (31), 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) [2022-12-14 08:51:08,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-12-14 08:51:08,995 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 8 [2022-12-14 08:51:08,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:08,995 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-12-14 08:51:08,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:08,996 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-12-14 08:51:08,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 08:51:08,996 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:08,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:08,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:51:08,997 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:08,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:08,997 INFO L85 PathProgramCache]: Analyzing trace with hash -442816622, now seen corresponding path program 1 times [2022-12-14 08:51:08,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:08,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291967460] [2022-12-14 08:51:08,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:08,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:09,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:09,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:09,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291967460] [2022-12-14 08:51:09,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291967460] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:09,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:09,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:51:09,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620486363] [2022-12-14 08:51:09,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:09,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:51:09,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:09,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:51:09,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:51:09,062 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2022-12-14 08:51:09,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:09,111 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2022-12-14 08:51:09,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:51:09,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 08:51:09,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:09,112 INFO L225 Difference]: With dead ends: 66 [2022-12-14 08:51:09,112 INFO L226 Difference]: Without dead ends: 40 [2022-12-14 08:51:09,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:51:09,113 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 19 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:09,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 66 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:51:09,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-14 08:51:09,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2022-12-14 08:51:09,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 37 states have internal predecessors, (45), 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) [2022-12-14 08:51:09,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2022-12-14 08:51:09,117 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 10 [2022-12-14 08:51:09,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:09,117 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2022-12-14 08:51:09,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2022-12-14 08:51:09,118 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-12-14 08:51:09,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 08:51:09,118 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:09,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:09,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 08:51:09,118 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:09,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:09,119 INFO L85 PathProgramCache]: Analyzing trace with hash 684189530, now seen corresponding path program 1 times [2022-12-14 08:51:09,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:09,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588636678] [2022-12-14 08:51:09,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:09,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:09,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:09,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:09,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588636678] [2022-12-14 08:51:09,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588636678] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:09,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:09,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:51:09,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345442271] [2022-12-14 08:51:09,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:09,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:51:09,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:09,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:51:09,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:51:09,152 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-14 08:51:09,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:09,203 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2022-12-14 08:51:09,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:51:09,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 08:51:09,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:09,204 INFO L225 Difference]: With dead ends: 58 [2022-12-14 08:51:09,204 INFO L226 Difference]: Without dead ends: 56 [2022-12-14 08:51:09,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:51:09,205 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 51 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:09,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 27 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:51:09,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-12-14 08:51:09,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2022-12-14 08:51:09,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 49 states have (on average 1.2653061224489797) internal successors, (62), 52 states have internal predecessors, (62), 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) [2022-12-14 08:51:09,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2022-12-14 08:51:09,213 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 62 transitions. Word has length 10 [2022-12-14 08:51:09,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:09,213 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 62 transitions. [2022-12-14 08:51:09,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-14 08:51:09,213 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2022-12-14 08:51:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 08:51:09,214 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:09,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:09,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 08:51:09,214 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:09,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:09,215 INFO L85 PathProgramCache]: Analyzing trace with hash -264960977, now seen corresponding path program 1 times [2022-12-14 08:51:09,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:09,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524360666] [2022-12-14 08:51:09,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:09,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:09,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:09,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:09,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524360666] [2022-12-14 08:51:09,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524360666] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:09,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:09,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:51:09,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085453830] [2022-12-14 08:51:09,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:09,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:51:09,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:09,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:51:09,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:51:09,283 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2022-12-14 08:51:09,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:09,332 INFO L93 Difference]: Finished difference Result 62 states and 72 transitions. [2022-12-14 08:51:09,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:51:09,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 08:51:09,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:09,334 INFO L225 Difference]: With dead ends: 62 [2022-12-14 08:51:09,334 INFO L226 Difference]: Without dead ends: 61 [2022-12-14 08:51:09,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:51:09,335 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 34 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:09,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 20 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:51:09,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-12-14 08:51:09,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 57. [2022-12-14 08:51:09,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 56 states have internal predecessors, (67), 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) [2022-12-14 08:51:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 67 transitions. [2022-12-14 08:51:09,342 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 67 transitions. Word has length 11 [2022-12-14 08:51:09,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:09,342 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 67 transitions. [2022-12-14 08:51:09,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2022-12-14 08:51:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2022-12-14 08:51:09,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 08:51:09,343 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:09,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:09,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 08:51:09,344 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:09,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:09,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1552533810, now seen corresponding path program 1 times [2022-12-14 08:51:09,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:09,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911610121] [2022-12-14 08:51:09,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:09,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:09,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:09,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:09,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911610121] [2022-12-14 08:51:09,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911610121] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:09,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:09,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:51:09,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222800807] [2022-12-14 08:51:09,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:09,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:51:09,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:09,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:51:09,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:51:09,414 INFO L87 Difference]: Start difference. First operand 57 states and 67 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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) [2022-12-14 08:51:09,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:09,497 INFO L93 Difference]: Finished difference Result 102 states and 120 transitions. [2022-12-14 08:51:09,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:51:09,498 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 08:51:09,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:09,499 INFO L225 Difference]: With dead ends: 102 [2022-12-14 08:51:09,500 INFO L226 Difference]: Without dead ends: 101 [2022-12-14 08:51:09,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:51:09,501 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 82 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:09,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 42 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:51:09,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-12-14 08:51:09,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 40. [2022-12-14 08:51:09,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 39 states have internal predecessors, (47), 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) [2022-12-14 08:51:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2022-12-14 08:51:09,507 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 12 [2022-12-14 08:51:09,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:09,507 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2022-12-14 08:51:09,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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) [2022-12-14 08:51:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2022-12-14 08:51:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 08:51:09,508 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:09,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:09,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 08:51:09,508 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:09,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:09,509 INFO L85 PathProgramCache]: Analyzing trace with hash 376333056, now seen corresponding path program 1 times [2022-12-14 08:51:09,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:09,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715729421] [2022-12-14 08:51:09,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:09,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:09,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:09,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715729421] [2022-12-14 08:51:09,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715729421] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:09,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:09,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:51:09,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353315488] [2022-12-14 08:51:09,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:09,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:51:09,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:09,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:51:09,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:51:09,527 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-14 08:51:09,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:09,533 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2022-12-14 08:51:09,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:51:09,534 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 08:51:09,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:09,534 INFO L225 Difference]: With dead ends: 81 [2022-12-14 08:51:09,534 INFO L226 Difference]: Without dead ends: 40 [2022-12-14 08:51:09,535 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 [2022-12-14 08:51:09,535 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:09,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:51:09,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-14 08:51:09,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-12-14 08:51:09,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 39 states have internal predecessors, (44), 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) [2022-12-14 08:51:09,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2022-12-14 08:51:09,539 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 12 [2022-12-14 08:51:09,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:09,539 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2022-12-14 08:51:09,540 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), 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) [2022-12-14 08:51:09,540 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-12-14 08:51:09,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 08:51:09,540 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:09,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:09,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 08:51:09,541 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:09,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:09,541 INFO L85 PathProgramCache]: Analyzing trace with hash -883907781, now seen corresponding path program 1 times [2022-12-14 08:51:09,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:09,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189895757] [2022-12-14 08:51:09,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:09,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:09,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:09,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189895757] [2022-12-14 08:51:09,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189895757] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:09,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:09,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:51:09,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496175149] [2022-12-14 08:51:09,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:09,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:51:09,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:09,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:51:09,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:51:09,588 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:09,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:09,631 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2022-12-14 08:51:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:51:09,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 08:51:09,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:09,632 INFO L225 Difference]: With dead ends: 41 [2022-12-14 08:51:09,632 INFO L226 Difference]: Without dead ends: 40 [2022-12-14 08:51:09,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-14 08:51:09,634 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 35 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:09,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 26 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:51:09,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-14 08:51:09,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-12-14 08:51:09,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 37 states have (on average 1.162162162162162) internal successors, (43), 39 states have internal predecessors, (43), 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) [2022-12-14 08:51:09,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2022-12-14 08:51:09,638 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 13 [2022-12-14 08:51:09,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:09,638 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2022-12-14 08:51:09,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-12-14 08:51:09,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 08:51:09,639 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:09,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:09,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 08:51:09,639 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:09,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:09,640 INFO L85 PathProgramCache]: Analyzing trace with hash 431294195, now seen corresponding path program 1 times [2022-12-14 08:51:09,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:09,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695602516] [2022-12-14 08:51:09,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:09,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:09,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:09,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:09,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695602516] [2022-12-14 08:51:09,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695602516] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:09,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:09,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:51:09,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384708581] [2022-12-14 08:51:09,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:09,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:51:09,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:09,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:51:09,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:51:09,666 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:09,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:09,688 INFO L93 Difference]: Finished difference Result 82 states and 88 transitions. [2022-12-14 08:51:09,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:51:09,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 08:51:09,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:09,689 INFO L225 Difference]: With dead ends: 82 [2022-12-14 08:51:09,689 INFO L226 Difference]: Without dead ends: 40 [2022-12-14 08:51:09,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 08:51:09,690 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 7 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:09,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 80 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:51:09,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-14 08:51:09,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-12-14 08:51:09,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 37 states have (on average 1.135135135135135) internal successors, (42), 39 states have internal predecessors, (42), 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) [2022-12-14 08:51:09,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2022-12-14 08:51:09,694 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 13 [2022-12-14 08:51:09,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:09,694 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2022-12-14 08:51:09,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:09,694 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2022-12-14 08:51:09,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 08:51:09,695 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:09,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:09,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 08:51:09,695 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:09,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:09,696 INFO L85 PathProgramCache]: Analyzing trace with hash 697504740, now seen corresponding path program 1 times [2022-12-14 08:51:09,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:09,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050694774] [2022-12-14 08:51:09,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:09,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:09,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:09,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050694774] [2022-12-14 08:51:09,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050694774] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:09,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:09,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:51:09,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125112399] [2022-12-14 08:51:09,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:09,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:51:09,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:09,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:51:09,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:51:09,709 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:09,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:09,721 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2022-12-14 08:51:09,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:51:09,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 08:51:09,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:09,722 INFO L225 Difference]: With dead ends: 40 [2022-12-14 08:51:09,722 INFO L226 Difference]: Without dead ends: 39 [2022-12-14 08:51:09,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:51:09,723 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 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 [2022-12-14 08:51:09,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:51:09,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-14 08:51:09,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2022-12-14 08:51:09,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 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) [2022-12-14 08:51:09,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2022-12-14 08:51:09,726 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 14 [2022-12-14 08:51:09,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:09,726 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2022-12-14 08:51:09,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:09,726 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-12-14 08:51:09,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 08:51:09,727 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:09,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:09,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 08:51:09,727 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:09,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:09,728 INFO L85 PathProgramCache]: Analyzing trace with hash -916664265, now seen corresponding path program 1 times [2022-12-14 08:51:09,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:09,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368810984] [2022-12-14 08:51:09,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:09,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:09,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:09,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368810984] [2022-12-14 08:51:09,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368810984] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:09,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:09,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:51:09,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146236816] [2022-12-14 08:51:09,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:09,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:51:09,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:09,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:51:09,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:51:09,748 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-12-14 08:51:09,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:09,774 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2022-12-14 08:51:09,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:51:09,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 08:51:09,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:09,775 INFO L225 Difference]: With dead ends: 72 [2022-12-14 08:51:09,775 INFO L226 Difference]: Without dead ends: 37 [2022-12-14 08:51:09,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:51:09,775 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 15 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:09,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 46 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:51:09,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-14 08:51:09,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2022-12-14 08:51:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 33 states have internal predecessors, (36), 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) [2022-12-14 08:51:09,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2022-12-14 08:51:09,778 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 15 [2022-12-14 08:51:09,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:09,778 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2022-12-14 08:51:09,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-12-14 08:51:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-12-14 08:51:09,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 08:51:09,779 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:09,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:09,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 08:51:09,779 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-14 08:51:09,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:09,780 INFO L85 PathProgramCache]: Analyzing trace with hash 287159750, now seen corresponding path program 1 times [2022-12-14 08:51:09,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:09,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628040887] [2022-12-14 08:51:09,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:09,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:09,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:51:09,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:09,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628040887] [2022-12-14 08:51:09,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628040887] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:09,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:51:09,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:51:09,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085390690] [2022-12-14 08:51:09,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:09,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:51:09,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:09,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:51:09,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:51:09,793 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:09,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:09,802 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2022-12-14 08:51:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:51:09,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-14 08:51:09,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:09,802 INFO L225 Difference]: With dead ends: 34 [2022-12-14 08:51:09,802 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 08:51:09,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:51:09,803 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:09,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:51:09,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 08:51:09,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 08:51:09,804 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) [2022-12-14 08:51:09,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 08:51:09,805 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2022-12-14 08:51:09,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:09,805 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 08:51:09,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:09,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 08:51:09,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 08:51:09,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-12-14 08:51:09,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-12-14 08:51:09,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-12-14 08:51:09,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-12-14 08:51:09,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-12-14 08:51:09,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-12-14 08:51:09,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-12-14 08:51:09,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-12-14 08:51:09,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-12-14 08:51:09,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-12-14 08:51:09,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 08:51:09,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 08:51:09,861 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,861 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-12-14 08:51:09,861 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,861 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,861 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,862 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-12-14 08:51:09,862 INFO L899 garLoopResultBuilder]: For program point L12-3(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,862 INFO L899 garLoopResultBuilder]: For program point L12-5(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,862 INFO L899 garLoopResultBuilder]: For program point L12-6(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,862 INFO L899 garLoopResultBuilder]: For program point L12-8(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,862 INFO L899 garLoopResultBuilder]: For program point L12-9(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,862 INFO L899 garLoopResultBuilder]: For program point L12-10(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 08:51:09,862 INFO L899 garLoopResultBuilder]: For program point L12-12(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,862 INFO L899 garLoopResultBuilder]: For program point L12-13(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,863 INFO L899 garLoopResultBuilder]: For program point L12-14(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,863 INFO L899 garLoopResultBuilder]: For program point L12-15(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,863 INFO L899 garLoopResultBuilder]: For program point L12-16(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,863 INFO L899 garLoopResultBuilder]: For program point L12-18(lines 12 15) no Hoare annotation was computed. [2022-12-14 08:51:09,863 INFO L895 garLoopResultBuilder]: At program point L12-20(lines 12 15) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2022-12-14 08:51:09,863 INFO L895 garLoopResultBuilder]: At program point L12-21(lines 12 15) the Hoare annotation is: (<= |ULTIMATE.start_main_~y~0#1| 2147483647) [2022-12-14 08:51:09,864 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-12-14 08:51:09,864 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-12-14 08:51:09,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-12-14 08:51:09,864 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 08:51:09,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2022-12-14 08:51:09,864 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2022-12-14 08:51:09,864 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2022-12-14 08:51:09,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-12-14 08:51:09,867 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:09,869 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:51:09,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:51:09 BoogieIcfgContainer [2022-12-14 08:51:09,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:51:09,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:51:09,879 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:51:09,879 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:51:09,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:51:08" (3/4) ... [2022-12-14 08:51:09,882 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 08:51:09,889 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 08:51:09,889 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 08:51:09,889 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 08:51:09,914 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:51:09,914 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:51:09,914 INFO L158 Benchmark]: Toolchain (without parser) took 1973.43ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 103.6MB in the beginning and 92.0MB in the end (delta: 11.6MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2022-12-14 08:51:09,915 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:51:09,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.76ms. Allocated memory is still 138.4MB. Free memory was 103.1MB in the beginning and 93.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 08:51:09,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.65ms. Allocated memory is still 138.4MB. Free memory was 93.9MB in the beginning and 92.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:51:09,916 INFO L158 Benchmark]: Boogie Preprocessor took 15.69ms. Allocated memory is still 138.4MB. Free memory was 92.1MB in the beginning and 91.2MB in the end (delta: 878.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:51:09,916 INFO L158 Benchmark]: RCFGBuilder took 232.06ms. Allocated memory is still 138.4MB. Free memory was 91.2MB in the beginning and 80.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 08:51:09,916 INFO L158 Benchmark]: TraceAbstraction took 1518.36ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 79.6MB in the beginning and 95.2MB in the end (delta: -15.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2022-12-14 08:51:09,917 INFO L158 Benchmark]: Witness Printer took 34.84ms. Allocated memory is still 167.8MB. Free memory was 95.2MB in the beginning and 92.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 08:51:09,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 144.76ms. Allocated memory is still 138.4MB. Free memory was 103.1MB in the beginning and 93.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.65ms. Allocated memory is still 138.4MB. Free memory was 93.9MB in the beginning and 92.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.69ms. Allocated memory is still 138.4MB. Free memory was 92.1MB in the beginning and 91.2MB in the end (delta: 878.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 232.06ms. Allocated memory is still 138.4MB. Free memory was 91.2MB in the beginning and 80.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1518.36ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 79.6MB in the beginning and 95.2MB in the end (delta: -15.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 34.84ms. Allocated memory is still 167.8MB. Free memory was 95.2MB in the beginning and 92.0MB in the end (delta: 3.1MB). 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 367 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 367 mSDsluCounter, 556 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 265 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 454 IncrementalHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 291 mSDtfsCounter, 454 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=7, InterpolantAutomatonStates: 60, 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, 14 MinimizatonAttempts, 112 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 20 HoareAnnotationTreeSize, 2 FomulaSimplifications, 122 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 174 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 137 ConstructedInterpolants, 0 QuantifiedInterpolants, 380 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 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 10 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: y <= 2147483647 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((z <= 2147483647 && 0 <= z + 2147483648) && 0 <= y + 2147483648) && y <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-12-14 08:51:09,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb3658c-4326-4c28-b22e-e524a9587ab5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE