./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/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_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/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 32bit --witnessprinter.graph.data.programhash 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef --- 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 13:09:26,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:09:26,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:09:26,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:09:26,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:09:26,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:09:26,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:09:26,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:09:26,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:09:26,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:09:26,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:09:26,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:09:26,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:09:26,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:09:26,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:09:26,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:09:26,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:09:26,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:09:26,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:09:26,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:09:26,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:09:26,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:09:26,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:09:26,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:09:26,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:09:26,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:09:26,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:09:26,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:09:26,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:09:26,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:09:26,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:09:26,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:09:26,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:09:26,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:09:26,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:09:26,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:09:26,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:09:26,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:09:26,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:09:26,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:09:26,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:09:26,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 13:09:26,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:09:26,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:09:26,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:09:26,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:09:26,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:09:26,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:09:26,127 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:09:26,127 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:09:26,127 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:09:26,128 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:09:26,128 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:09:26,128 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:09:26,128 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:09:26,128 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:09:26,129 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:09:26,129 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:09:26,129 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:09:26,129 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:09:26,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:09:26,130 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 13:09:26,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 13:09:26,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:09:26,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 13:09:26,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:09:26,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:09:26,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:09:26,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:09:26,132 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 13:09:26,132 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 13:09:26,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:09:26,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:09:26,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:09:26,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:09:26,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:09:26,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:09:26,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:09:26,133 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:09:26,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:09:26,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:09:26,134 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:09:26,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:09:26,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:09:26,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:09:26,134 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_251562ca-682e-4f33-88f3-c3beb0782254/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef [2022-12-14 13:09:26,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:09:26,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:09:26,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:09:26,364 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:09:26,364 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:09:26,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/psyco/psyco_abp_1-1.c [2022-12-14 13:09:29,003 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:09:29,152 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:09:29,153 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/sv-benchmarks/c/psyco/psyco_abp_1-1.c [2022-12-14 13:09:29,160 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/data/291c5a3bc/be6ab826e8cc4edd828a371a794bb87c/FLAG3a53d2edc [2022-12-14 13:09:29,172 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/data/291c5a3bc/be6ab826e8cc4edd828a371a794bb87c [2022-12-14 13:09:29,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:09:29,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:09:29,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:09:29,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:09:29,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:09:29,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:29,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613335ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29, skipping insertion in model container [2022-12-14 13:09:29,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:29,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:09:29,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:09:29,376 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831] [2022-12-14 13:09:29,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:09:29,387 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:09:29,434 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831] [2022-12-14 13:09:29,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:09:29,446 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:09:29,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29 WrapperNode [2022-12-14 13:09:29,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:09:29,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:09:29,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:09:29,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:09:29,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:29,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:29,493 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 469 [2022-12-14 13:09:29,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:09:29,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:09:29,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:09:29,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:09:29,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:29,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:29,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:29,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:29,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:29,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:29,554 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:29,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:29,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:09:29,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:09:29,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:09:29,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:09:29,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:29,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:09:29,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:09:29,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:09:29,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:09:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:09:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:09:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:09:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:09:29,698 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:09:29,699 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:09:30,263 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:09:30,286 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:09:30,286 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 13:09:30,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:09:30 BoogieIcfgContainer [2022-12-14 13:09:30,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:09:30,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:09:30,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:09:30,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:09:30,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:09:29" (1/3) ... [2022-12-14 13:09:30,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e096a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:09:30, skipping insertion in model container [2022-12-14 13:09:30,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (2/3) ... [2022-12-14 13:09:30,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e096a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:09:30, skipping insertion in model container [2022-12-14 13:09:30,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:09:30" (3/3) ... [2022-12-14 13:09:30,297 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-1.c [2022-12-14 13:09:30,319 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:09:30,320 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-12-14 13:09:30,373 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:09:30,380 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;@2b671db8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:09:30,380 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-12-14 13:09:30,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 149 states have (on average 1.9731543624161074) internal successors, (294), 191 states have internal predecessors, (294), 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 13:09:30,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 13:09:30,391 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:30,392 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:30,392 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 13:09:30,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:30,397 INFO L85 PathProgramCache]: Analyzing trace with hash -732953023, now seen corresponding path program 1 times [2022-12-14 13:09:30,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:09:30,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349108642] [2022-12-14 13:09:30,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:30,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:09:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:30,580 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 13:09:30,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:09:30,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349108642] [2022-12-14 13:09:30,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349108642] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:30,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:30,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:09:30,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143090792] [2022-12-14 13:09:30,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:30,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:09:30,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:09:30,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:09:30,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:30,616 INFO L87 Difference]: Start difference. First operand has 192 states, 149 states have (on average 1.9731543624161074) internal successors, (294), 191 states have internal predecessors, (294), 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, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:09:30,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:30,723 INFO L93 Difference]: Finished difference Result 386 states and 593 transitions. [2022-12-14 13:09:30,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:09:30,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 13:09:30,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:30,735 INFO L225 Difference]: With dead ends: 386 [2022-12-14 13:09:30,735 INFO L226 Difference]: Without dead ends: 165 [2022-12-14 13:09:30,739 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 13:09:30,742 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 4 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:30,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 525 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:09:30,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-12-14 13:09:30,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2022-12-14 13:09:30,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 123 states have (on average 1.6910569105691058) internal successors, (208), 164 states have internal predecessors, (208), 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 13:09:30,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 208 transitions. [2022-12-14 13:09:30,781 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 208 transitions. Word has length 9 [2022-12-14 13:09:30,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:30,782 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 208 transitions. [2022-12-14 13:09:30,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:09:30,782 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 208 transitions. [2022-12-14 13:09:30,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 13:09:30,783 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:30,783 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:30,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:09:30,783 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 13:09:30,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:30,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1106630647, now seen corresponding path program 1 times [2022-12-14 13:09:30,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:09:30,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758792527] [2022-12-14 13:09:30,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:30,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:09:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:30,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:09:30,925 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:09:30,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758792527] [2022-12-14 13:09:30,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758792527] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:30,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:30,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:09:30,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865890423] [2022-12-14 13:09:30,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:30,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:09:30,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:09:30,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:09:30,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:09:30,928 INFO L87 Difference]: Start difference. First operand 165 states and 208 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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 13:09:31,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:31,046 INFO L93 Difference]: Finished difference Result 329 states and 415 transitions. [2022-12-14 13:09:31,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 13:09:31,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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 13:09:31,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:31,049 INFO L225 Difference]: With dead ends: 329 [2022-12-14 13:09:31,049 INFO L226 Difference]: Without dead ends: 269 [2022-12-14 13:09:31,049 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 13:09:31,050 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 315 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:31,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 329 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:09:31,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-12-14 13:09:31,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 251. [2022-12-14 13:09:31,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 209 states have (on average 1.6267942583732058) internal successors, (340), 250 states have internal predecessors, (340), 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 13:09:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 340 transitions. [2022-12-14 13:09:31,060 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 340 transitions. Word has length 14 [2022-12-14 13:09:31,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:31,061 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 340 transitions. [2022-12-14 13:09:31,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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 13:09:31,061 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 340 transitions. [2022-12-14 13:09:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 13:09:31,061 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:31,061 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:31,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:09:31,062 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 13:09:31,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:31,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1993942009, now seen corresponding path program 1 times [2022-12-14 13:09:31,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:09:31,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866573279] [2022-12-14 13:09:31,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:31,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:09:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:09:31,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:09:31,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866573279] [2022-12-14 13:09:31,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866573279] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:31,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:31,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:09:31,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705507485] [2022-12-14 13:09:31,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:31,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:09:31,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:09:31,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:09:31,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:31,136 INFO L87 Difference]: Start difference. First operand 251 states and 340 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 13:09:31,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:31,189 INFO L93 Difference]: Finished difference Result 354 states and 486 transitions. [2022-12-14 13:09:31,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:09:31,190 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 13:09:31,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:31,191 INFO L225 Difference]: With dead ends: 354 [2022-12-14 13:09:31,191 INFO L226 Difference]: Without dead ends: 346 [2022-12-14 13:09:31,192 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 13:09:31,193 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 123 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:31,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 375 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 13:09:31,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2022-12-14 13:09:31,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 341. [2022-12-14 13:09:31,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 299 states have (on average 1.5785953177257526) internal successors, (472), 340 states have internal predecessors, (472), 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 13:09:31,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 472 transitions. [2022-12-14 13:09:31,210 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 472 transitions. Word has length 16 [2022-12-14 13:09:31,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:31,211 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 472 transitions. [2022-12-14 13:09:31,211 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 13:09:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 472 transitions. [2022-12-14 13:09:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 13:09:31,212 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:31,212 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:31,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 13:09:31,213 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 13:09:31,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:31,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1428786505, now seen corresponding path program 1 times [2022-12-14 13:09:31,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:09:31,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248584759] [2022-12-14 13:09:31,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:31,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:09:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:09:31,292 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:09:31,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248584759] [2022-12-14 13:09:31,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248584759] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:31,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:31,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:09:31,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980595559] [2022-12-14 13:09:31,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:31,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:09:31,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:09:31,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:09:31,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:31,294 INFO L87 Difference]: Start difference. First operand 341 states and 472 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 13:09:31,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:31,324 INFO L93 Difference]: Finished difference Result 695 states and 969 transitions. [2022-12-14 13:09:31,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:09:31,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 24 [2022-12-14 13:09:31,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:31,325 INFO L225 Difference]: With dead ends: 695 [2022-12-14 13:09:31,325 INFO L226 Difference]: Without dead ends: 356 [2022-12-14 13:09:31,326 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 13:09:31,327 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 39 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:31,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 348 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 13:09:31,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-12-14 13:09:31,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2022-12-14 13:09:31,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 314 states have (on average 1.5509554140127388) internal successors, (487), 355 states have internal predecessors, (487), 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 13:09:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 487 transitions. [2022-12-14 13:09:31,335 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 487 transitions. Word has length 24 [2022-12-14 13:09:31,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:31,335 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 487 transitions. [2022-12-14 13:09:31,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 13:09:31,336 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 487 transitions. [2022-12-14 13:09:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 13:09:31,336 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:31,336 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:31,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 13:09:31,337 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 13:09:31,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:31,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1183212724, now seen corresponding path program 1 times [2022-12-14 13:09:31,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:09:31,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986253093] [2022-12-14 13:09:31,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:31,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:09:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:31,450 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:09:31,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:09:31,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986253093] [2022-12-14 13:09:31,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986253093] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:09:31,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492704093] [2022-12-14 13:09:31,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:31,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:09:31,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:09:31,452 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:09:31,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 13:09:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:31,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 13:09:31,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:09:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:09:31,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:09:31,627 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:09:31,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492704093] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 13:09:31,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 13:09:31,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 3] total 8 [2022-12-14 13:09:31,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133066920] [2022-12-14 13:09:31,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:31,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:09:31,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:09:31,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:09:31,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=38, Unknown=0, NotChecked=0, Total=72 [2022-12-14 13:09:31,629 INFO L87 Difference]: Start difference. First operand 356 states and 487 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 13:09:31,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:31,695 INFO L93 Difference]: Finished difference Result 356 states and 487 transitions. [2022-12-14 13:09:31,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:09:31,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2022-12-14 13:09:31,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:31,697 INFO L225 Difference]: With dead ends: 356 [2022-12-14 13:09:31,697 INFO L226 Difference]: Without dead ends: 339 [2022-12-14 13:09:31,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=38, Unknown=0, NotChecked=0, Total=72 [2022-12-14 13:09:31,698 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 337 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:31,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 144 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:09:31,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-12-14 13:09:31,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2022-12-14 13:09:31,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 314 states have (on average 1.4968152866242037) internal successors, (470), 338 states have internal predecessors, (470), 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 13:09:31,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 470 transitions. [2022-12-14 13:09:31,711 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 470 transitions. Word has length 27 [2022-12-14 13:09:31,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:31,711 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 470 transitions. [2022-12-14 13:09:31,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 13:09:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 470 transitions. [2022-12-14 13:09:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 13:09:31,713 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:31,713 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:31,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 13:09:31,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:09:31,914 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 13:09:31,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:31,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1975112562, now seen corresponding path program 1 times [2022-12-14 13:09:31,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:09:31,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223431356] [2022-12-14 13:09:31,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:31,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:09:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 13:09:31,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:09:31,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223431356] [2022-12-14 13:09:31,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223431356] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:31,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:31,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:09:31,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002297845] [2022-12-14 13:09:31,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:31,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:09:31,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:09:31,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:09:31,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:31,952 INFO L87 Difference]: Start difference. First operand 339 states and 470 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 13:09:31,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:31,968 INFO L93 Difference]: Finished difference Result 679 states and 941 transitions. [2022-12-14 13:09:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:09:31,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-14 13:09:31,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:31,970 INFO L225 Difference]: With dead ends: 679 [2022-12-14 13:09:31,970 INFO L226 Difference]: Without dead ends: 339 [2022-12-14 13:09:31,971 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 13:09:31,972 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:31,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 367 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 13:09:31,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-12-14 13:09:31,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2022-12-14 13:09:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 314 states have (on average 1.4872611464968153) internal successors, (467), 338 states have internal predecessors, (467), 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 13:09:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 467 transitions. [2022-12-14 13:09:31,984 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 467 transitions. Word has length 28 [2022-12-14 13:09:31,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:31,985 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 467 transitions. [2022-12-14 13:09:31,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 13:09:31,985 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 467 transitions. [2022-12-14 13:09:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 13:09:31,986 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:31,986 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:31,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 13:09:31,987 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 13:09:31,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:31,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1975110896, now seen corresponding path program 1 times [2022-12-14 13:09:31,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:09:31,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324295066] [2022-12-14 13:09:31,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:31,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:09:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 13:09:32,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:09:32,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324295066] [2022-12-14 13:09:32,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324295066] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:32,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:32,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:09:32,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180046025] [2022-12-14 13:09:32,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:32,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:09:32,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:09:32,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:09:32,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:32,058 INFO L87 Difference]: Start difference. First operand 339 states and 467 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 13:09:32,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:32,102 INFO L93 Difference]: Finished difference Result 341 states and 469 transitions. [2022-12-14 13:09:32,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:09:32,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-14 13:09:32,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:32,104 INFO L225 Difference]: With dead ends: 341 [2022-12-14 13:09:32,104 INFO L226 Difference]: Without dead ends: 298 [2022-12-14 13:09:32,104 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 13:09:32,105 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 146 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:32,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 151 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 13:09:32,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-12-14 13:09:32,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 205. [2022-12-14 13:09:32,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 197 states have (on average 1.4619289340101522) internal successors, (288), 204 states have internal predecessors, (288), 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 13:09:32,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 288 transitions. [2022-12-14 13:09:32,113 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 288 transitions. Word has length 28 [2022-12-14 13:09:32,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:32,113 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 288 transitions. [2022-12-14 13:09:32,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 13:09:32,113 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 288 transitions. [2022-12-14 13:09:32,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 13:09:32,114 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:32,114 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:32,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 13:09:32,115 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 13:09:32,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:32,115 INFO L85 PathProgramCache]: Analyzing trace with hash 293984338, now seen corresponding path program 1 times [2022-12-14 13:09:32,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:09:32,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995805642] [2022-12-14 13:09:32,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:32,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:09:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:09:32,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:09:32,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995805642] [2022-12-14 13:09:32,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995805642] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:09:32,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853236876] [2022-12-14 13:09:32,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:32,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:09:32,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:09:32,169 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:09:32,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 13:09:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:32,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 13:09:32,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:09:32,267 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:09:32,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:09:32,303 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:09:32,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853236876] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:09:32,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [60587601] [2022-12-14 13:09:32,321 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-12-14 13:09:32,321 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:09:32,324 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:09:32,329 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:09:32,330 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:09:33,929 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 13:09:36,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [60587601] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:36,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 13:09:36,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [3, 3, 3] total 29 [2022-12-14 13:09:36,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820259640] [2022-12-14 13:09:36,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:36,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-14 13:09:36,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:09:36,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-14 13:09:36,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2022-12-14 13:09:36,254 INFO L87 Difference]: Start difference. First operand 205 states and 288 transitions. Second operand has 25 states, 24 states have (on average 1.125) internal successors, (27), 24 states have internal predecessors, (27), 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 13:09:39,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:39,348 INFO L93 Difference]: Finished difference Result 459 states and 643 transitions. [2022-12-14 13:09:39,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 13:09:39,349 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.125) internal successors, (27), 24 states have internal predecessors, (27), 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 30 [2022-12-14 13:09:39,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:39,349 INFO L225 Difference]: With dead ends: 459 [2022-12-14 13:09:39,349 INFO L226 Difference]: Without dead ends: 256 [2022-12-14 13:09:39,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=308, Invalid=1332, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 13:09:39,350 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 147 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:39,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 840 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1019 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 13:09:39,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-12-14 13:09:39,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 252. [2022-12-14 13:09:39,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 244 states have (on average 1.4344262295081966) internal successors, (350), 251 states have internal predecessors, (350), 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 13:09:39,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 350 transitions. [2022-12-14 13:09:39,362 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 350 transitions. Word has length 30 [2022-12-14 13:09:39,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:39,363 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 350 transitions. [2022-12-14 13:09:39,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.125) internal successors, (27), 24 states have internal predecessors, (27), 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 13:09:39,363 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 350 transitions. [2022-12-14 13:09:39,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 13:09:39,364 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:39,364 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:39,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 13:09:39,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:09:39,565 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 13:09:39,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:39,567 INFO L85 PathProgramCache]: Analyzing trace with hash 523580220, now seen corresponding path program 1 times [2022-12-14 13:09:39,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:09:39,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108208621] [2022-12-14 13:09:39,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:39,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:09:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:09:39,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:09:39,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108208621] [2022-12-14 13:09:39,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108208621] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:09:39,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866884247] [2022-12-14 13:09:39,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:39,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:09:39,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:09:39,661 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:09:39,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 13:09:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:39,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 13:09:39,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:09:39,740 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:09:39,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:09:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:09:39,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866884247] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:09:39,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [754789373] [2022-12-14 13:09:39,771 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-12-14 13:09:39,771 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:09:39,772 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:09:39,772 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:09:39,772 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:09:40,804 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 13:09:43,209 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6819#(and (<= 0 (+ |ULTIMATE.start_main_~P6~0#1| 2147483648)) (<= |ULTIMATE.start_main_~this_expect~0#1| 2147483648) (<= 0 (+ |ULTIMATE.start_main_~P5~0#1| 2147483648)) (= 6 ~m_recv_ack_1_1~0) (= 2 ~m_msg_2~0) (= ~m_msg_1_1~0 4) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~this_expect~0#1|)) (= 7 ~m_recv_ack_1_2~0) (<= |ULTIMATE.start_main_~P3~0#1| 2147483647) (= ~m_msg_1_2~0 5) (<= |ULTIMATE.start_main_~P2~0#1| 2147483647) (= 3 |ULTIMATE.start_main_~method_id~0#1|) (<= 0 (+ |ULTIMATE.start_main_~P9~0#1| 2147483648)) (or (not (= |ULTIMATE.start_main_~P3~0#1| 0)) (= |ULTIMATE.start_main_~P3~0#1| (ite (and (< |ULTIMATE.start_main_~this_expect~0#1| 1) (not (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))) (+ (- 2) (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))) (= |ULTIMATE.start_main_~P1~0#1| 0) (= ~m_Protocol~0 1) (< (+ |ULTIMATE.start_main_~this_buffer_empty~0#1| 2147483646) 0) (<= |ULTIMATE.start_main_~P9~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~P2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~P4~0#1| 2147483647) (<= |ULTIMATE.start_main_~P5~0#1| 2147483647) (= |ULTIMATE.start_main_~q~0#1| 4) (<= 0 (+ |ULTIMATE.start_main_~P7~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~P3~0#1| 2147483648)) (= 3 ~m_recv_ack_2~0) (= |#NULL.offset| 0) (<= 0 (+ |ULTIMATE.start_main_~P4~0#1| 2147483648)) (<= |ULTIMATE.start_main_~P7~0#1| 2147483647) (<= 0 |#StackHeapBarrier|) (<= 0 (+ |ULTIMATE.start_main_~P8~0#1| 2147483648)) (<= |ULTIMATE.start_main_~P6~0#1| 2147483647) (<= |ULTIMATE.start_main_~P8~0#1| 2147483647) (= |#NULL.base| 0))' at error location [2022-12-14 13:09:43,209 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 13:09:43,209 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 13:09:43,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-12-14 13:09:43,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568756278] [2022-12-14 13:09:43,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 13:09:43,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 13:09:43,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:09:43,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 13:09:43,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=724, Unknown=0, NotChecked=0, Total=930 [2022-12-14 13:09:43,211 INFO L87 Difference]: Start difference. First operand 252 states and 350 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 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 13:09:43,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:43,273 INFO L93 Difference]: Finished difference Result 257 states and 356 transitions. [2022-12-14 13:09:43,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 13:09:43,273 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 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) Word has length 31 [2022-12-14 13:09:43,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:43,274 INFO L225 Difference]: With dead ends: 257 [2022-12-14 13:09:43,274 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 13:09:43,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=222, Invalid=770, Unknown=0, NotChecked=0, Total=992 [2022-12-14 13:09:43,275 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 476 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:43,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 336 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 13:09:43,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 13:09:43,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 13:09:43,276 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 13:09:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 13:09:43,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2022-12-14 13:09:43,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:43,276 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 13:09:43,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 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 13:09:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 13:09:43,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 13:09:43,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2022-12-14 13:09:43,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2022-12-14 13:09:43,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2022-12-14 13:09:43,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2022-12-14 13:09:43,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2022-12-14 13:09:43,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2022-12-14 13:09:43,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2022-12-14 13:09:43,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2022-12-14 13:09:43,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2022-12-14 13:09:43,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2022-12-14 13:09:43,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2022-12-14 13:09:43,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2022-12-14 13:09:43,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2022-12-14 13:09:43,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2022-12-14 13:09:43,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2022-12-14 13:09:43,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2022-12-14 13:09:43,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2022-12-14 13:09:43,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2022-12-14 13:09:43,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2022-12-14 13:09:43,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2022-12-14 13:09:43,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2022-12-14 13:09:43,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2022-12-14 13:09:43,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2022-12-14 13:09:43,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2022-12-14 13:09:43,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2022-12-14 13:09:43,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2022-12-14 13:09:43,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2022-12-14 13:09:43,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2022-12-14 13:09:43,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2022-12-14 13:09:43,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2022-12-14 13:09:43,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2022-12-14 13:09:43,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2022-12-14 13:09:43,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2022-12-14 13:09:43,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2022-12-14 13:09:43,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2022-12-14 13:09:43,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2022-12-14 13:09:43,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2022-12-14 13:09:43,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2022-12-14 13:09:43,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2022-12-14 13:09:43,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2022-12-14 13:09:43,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2022-12-14 13:09:43,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2022-12-14 13:09:43,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 13:09:43,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-14 13:09:43,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 13:09:43,723 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2022-12-14 13:09:43,723 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 513) no Hoare annotation was computed. [2022-12-14 13:09:43,723 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 564) no Hoare annotation was computed. [2022-12-14 13:09:43,723 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 443) no Hoare annotation was computed. [2022-12-14 13:09:43,723 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2022-12-14 13:09:43,723 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 381) no Hoare annotation was computed. [2022-12-14 13:09:43,724 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 311) no Hoare annotation was computed. [2022-12-14 13:09:43,724 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 179) no Hoare annotation was computed. [2022-12-14 13:09:43,724 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 543) no Hoare annotation was computed. [2022-12-14 13:09:43,724 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2022-12-14 13:09:43,724 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 481) no Hoare annotation was computed. [2022-12-14 13:09:43,724 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 411) no Hoare annotation was computed. [2022-12-14 13:09:43,724 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 279) no Hoare annotation was computed. [2022-12-14 13:09:43,724 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2022-12-14 13:09:43,724 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-12-14 13:09:43,724 INFO L899 garLoopResultBuilder]: For program point L136-1(line 136) no Hoare annotation was computed. [2022-12-14 13:09:43,724 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 138) no Hoare annotation was computed. [2022-12-14 13:09:43,725 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 511) no Hoare annotation was computed. [2022-12-14 13:09:43,725 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2022-12-14 13:09:43,725 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 379) no Hoare annotation was computed. [2022-12-14 13:09:43,725 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2022-12-14 13:09:43,725 INFO L899 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2022-12-14 13:09:43,725 INFO L899 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2022-12-14 13:09:43,725 INFO L899 garLoopResultBuilder]: For program point L236-2(lines 236 238) no Hoare annotation was computed. [2022-12-14 13:09:43,725 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 106) no Hoare annotation was computed. [2022-12-14 13:09:43,725 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 479) no Hoare annotation was computed. [2022-12-14 13:09:43,725 INFO L899 garLoopResultBuilder]: For program point L336(line 336) no Hoare annotation was computed. [2022-12-14 13:09:43,725 INFO L899 garLoopResultBuilder]: For program point L336-1(line 336) no Hoare annotation was computed. [2022-12-14 13:09:43,725 INFO L899 garLoopResultBuilder]: For program point L336-2(lines 336 338) no Hoare annotation was computed. [2022-12-14 13:09:43,726 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 206) no Hoare annotation was computed. [2022-12-14 13:09:43,726 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 74) no Hoare annotation was computed. [2022-12-14 13:09:43,726 INFO L899 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2022-12-14 13:09:43,726 INFO L899 garLoopResultBuilder]: For program point L436-1(line 436) no Hoare annotation was computed. [2022-12-14 13:09:43,726 INFO L899 garLoopResultBuilder]: For program point L436-2(lines 436 438) no Hoare annotation was computed. [2022-12-14 13:09:43,726 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 306) no Hoare annotation was computed. [2022-12-14 13:09:43,726 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 174) no Hoare annotation was computed. [2022-12-14 13:09:43,726 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 26 567) no Hoare annotation was computed. [2022-12-14 13:09:43,726 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-12-14 13:09:43,726 INFO L899 garLoopResultBuilder]: For program point L536-1(line 536) no Hoare annotation was computed. [2022-12-14 13:09:43,726 INFO L899 garLoopResultBuilder]: For program point L536-2(lines 536 538) no Hoare annotation was computed. [2022-12-14 13:09:43,726 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 406) no Hoare annotation was computed. [2022-12-14 13:09:43,726 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2022-12-14 13:09:43,727 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 274) no Hoare annotation was computed. [2022-12-14 13:09:43,727 INFO L899 garLoopResultBuilder]: For program point L504(lines 504 506) no Hoare annotation was computed. [2022-12-14 13:09:43,727 INFO L899 garLoopResultBuilder]: For program point L372(lines 372 374) no Hoare annotation was computed. [2022-12-14 13:09:43,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2022-12-14 13:09:43,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2022-12-14 13:09:43,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2022-12-14 13:09:43,727 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-12-14 13:09:43,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2022-12-14 13:09:43,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2022-12-14 13:09:43,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2022-12-14 13:09:43,728 INFO L899 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2022-12-14 13:09:43,728 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2022-12-14 13:09:43,728 INFO L899 garLoopResultBuilder]: For program point L78-2(line 78) no Hoare annotation was computed. [2022-12-14 13:09:43,728 INFO L899 garLoopResultBuilder]: For program point L78-3(line 78) no Hoare annotation was computed. [2022-12-14 13:09:43,728 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2022-12-14 13:09:43,728 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 61) no Hoare annotation was computed. [2022-12-14 13:09:43,728 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2022-12-14 13:09:43,728 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 161) no Hoare annotation was computed. [2022-12-14 13:09:43,728 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2022-12-14 13:09:43,728 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 261) no Hoare annotation was computed. [2022-12-14 13:09:43,728 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2022-12-14 13:09:43,728 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 129) no Hoare annotation was computed. [2022-12-14 13:09:43,729 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 59) no Hoare annotation was computed. [2022-12-14 13:09:43,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2022-12-14 13:09:43,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2022-12-14 13:09:43,729 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 361) no Hoare annotation was computed. [2022-12-14 13:09:43,729 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 229) no Hoare annotation was computed. [2022-12-14 13:09:43,729 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2022-12-14 13:09:43,729 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 97) no Hoare annotation was computed. [2022-12-14 13:09:43,729 INFO L902 garLoopResultBuilder]: At program point L16(lines 16 572) the Hoare annotation is: true [2022-12-14 13:09:43,729 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 461) no Hoare annotation was computed. [2022-12-14 13:09:43,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2022-12-14 13:09:43,730 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 329) no Hoare annotation was computed. [2022-12-14 13:09:43,730 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 259) no Hoare annotation was computed. [2022-12-14 13:09:43,730 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 197) no Hoare annotation was computed. [2022-12-14 13:09:43,730 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 127) no Hoare annotation was computed. [2022-12-14 13:09:43,730 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 561) no Hoare annotation was computed. [2022-12-14 13:09:43,730 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 429) no Hoare annotation was computed. [2022-12-14 13:09:43,730 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 359) no Hoare annotation was computed. [2022-12-14 13:09:43,730 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 297) no Hoare annotation was computed. [2022-12-14 13:09:43,730 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 227) no Hoare annotation was computed. [2022-12-14 13:09:43,730 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 95) no Hoare annotation was computed. [2022-12-14 13:09:43,730 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2022-12-14 13:09:43,730 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 529) no Hoare annotation was computed. [2022-12-14 13:09:43,730 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 459) no Hoare annotation was computed. [2022-12-14 13:09:43,731 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 397) no Hoare annotation was computed. [2022-12-14 13:09:43,731 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 327) no Hoare annotation was computed. [2022-12-14 13:09:43,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2022-12-14 13:09:43,731 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 195) no Hoare annotation was computed. [2022-12-14 13:09:43,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2022-12-14 13:09:43,731 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 54) no Hoare annotation was computed. [2022-12-14 13:09:43,731 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 559) no Hoare annotation was computed. [2022-12-14 13:09:43,731 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 497) no Hoare annotation was computed. [2022-12-14 13:09:43,731 INFO L895 garLoopResultBuilder]: At program point L548-2(lines 26 567) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_main_~this_expect~0#1|)) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) [2022-12-14 13:09:43,731 INFO L899 garLoopResultBuilder]: For program point L416(lines 416 427) no Hoare annotation was computed. [2022-12-14 13:09:43,731 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 295) no Hoare annotation was computed. [2022-12-14 13:09:43,731 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-12-14 13:09:43,731 INFO L899 garLoopResultBuilder]: For program point L152-1(line 152) no Hoare annotation was computed. [2022-12-14 13:09:43,732 INFO L899 garLoopResultBuilder]: For program point L152-2(lines 152 154) no Hoare annotation was computed. [2022-12-14 13:09:43,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2022-12-14 13:09:43,732 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 527) no Hoare annotation was computed. [2022-12-14 13:09:43,732 INFO L899 garLoopResultBuilder]: For program point L384(lines 384 395) no Hoare annotation was computed. [2022-12-14 13:09:43,732 INFO L899 garLoopResultBuilder]: For program point L252(line 252) no Hoare annotation was computed. [2022-12-14 13:09:43,732 INFO L899 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2022-12-14 13:09:43,732 INFO L899 garLoopResultBuilder]: For program point L252-2(lines 252 254) no Hoare annotation was computed. [2022-12-14 13:09:43,732 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 122) no Hoare annotation was computed. [2022-12-14 13:09:43,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2022-12-14 13:09:43,732 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 495) no Hoare annotation was computed. [2022-12-14 13:09:43,732 INFO L899 garLoopResultBuilder]: For program point L352(line 352) no Hoare annotation was computed. [2022-12-14 13:09:43,732 INFO L899 garLoopResultBuilder]: For program point L352-1(line 352) no Hoare annotation was computed. [2022-12-14 13:09:43,732 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 354) no Hoare annotation was computed. [2022-12-14 13:09:43,733 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 222) no Hoare annotation was computed. [2022-12-14 13:09:43,733 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-12-14 13:09:43,733 INFO L899 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2022-12-14 13:09:43,733 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2022-12-14 13:09:43,733 INFO L899 garLoopResultBuilder]: For program point L88-2(lines 88 90) no Hoare annotation was computed. [2022-12-14 13:09:43,733 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-12-14 13:09:43,733 INFO L899 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2022-12-14 13:09:43,733 INFO L899 garLoopResultBuilder]: For program point L452-2(lines 452 454) no Hoare annotation was computed. [2022-12-14 13:09:43,733 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 322) no Hoare annotation was computed. [2022-12-14 13:09:43,733 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-12-14 13:09:43,733 INFO L899 garLoopResultBuilder]: For program point L188-1(line 188) no Hoare annotation was computed. [2022-12-14 13:09:43,733 INFO L899 garLoopResultBuilder]: For program point L188-2(lines 188 190) no Hoare annotation was computed. [2022-12-14 13:09:43,733 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2022-12-14 13:09:43,734 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-12-14 13:09:43,734 INFO L899 garLoopResultBuilder]: For program point L552-2(line 552) no Hoare annotation was computed. [2022-12-14 13:09:43,734 INFO L899 garLoopResultBuilder]: For program point L552-3(line 552) no Hoare annotation was computed. [2022-12-14 13:09:43,734 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 422) no Hoare annotation was computed. [2022-12-14 13:09:43,734 INFO L899 garLoopResultBuilder]: For program point L552-4(lines 552 554) no Hoare annotation was computed. [2022-12-14 13:09:43,734 INFO L899 garLoopResultBuilder]: For program point L288(line 288) no Hoare annotation was computed. [2022-12-14 13:09:43,734 INFO L899 garLoopResultBuilder]: For program point L288-2(line 288) no Hoare annotation was computed. [2022-12-14 13:09:43,734 INFO L899 garLoopResultBuilder]: For program point L288-3(line 288) no Hoare annotation was computed. [2022-12-14 13:09:43,734 INFO L899 garLoopResultBuilder]: For program point L288-4(lines 288 290) no Hoare annotation was computed. [2022-12-14 13:09:43,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2022-12-14 13:09:43,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2022-12-14 13:09:43,734 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 522) no Hoare annotation was computed. [2022-12-14 13:09:43,735 INFO L899 garLoopResultBuilder]: For program point L388(line 388) no Hoare annotation was computed. [2022-12-14 13:09:43,735 INFO L899 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2022-12-14 13:09:43,735 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 390) no Hoare annotation was computed. [2022-12-14 13:09:43,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 13:09:43,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2022-12-14 13:09:43,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2022-12-14 13:09:43,735 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-12-14 13:09:43,735 INFO L899 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2022-12-14 13:09:43,735 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 490) no Hoare annotation was computed. [2022-12-14 13:09:43,735 INFO L895 garLoopResultBuilder]: At program point L26-2(lines 26 567) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_main_~this_expect~0#1|)) (<= |ULTIMATE.start_main_~this_expect~0#1| 16) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) [2022-12-14 13:09:43,735 INFO L899 garLoopResultBuilder]: For program point L26-3(lines 26 567) no Hoare annotation was computed. [2022-12-14 13:09:43,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2022-12-14 13:09:43,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2022-12-14 13:09:43,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2022-12-14 13:09:43,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2022-12-14 13:09:43,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2022-12-14 13:09:43,736 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-12-14 13:09:43,736 INFO L899 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2022-12-14 13:09:43,736 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-12-14 13:09:43,736 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 13:09:43,736 INFO L899 garLoopResultBuilder]: For program point L426-1(line 426) no Hoare annotation was computed. [2022-12-14 13:09:43,736 INFO L899 garLoopResultBuilder]: For program point L426-2(line 426) no Hoare annotation was computed. [2022-12-14 13:09:43,736 INFO L899 garLoopResultBuilder]: For program point L426-3(line 426) no Hoare annotation was computed. [2022-12-14 13:09:43,736 INFO L899 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2022-12-14 13:09:43,736 INFO L899 garLoopResultBuilder]: For program point L294-1(line 294) no Hoare annotation was computed. [2022-12-14 13:09:43,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2022-12-14 13:09:43,737 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 145) no Hoare annotation was computed. [2022-12-14 13:09:43,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2022-12-14 13:09:43,737 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 245) no Hoare annotation was computed. [2022-12-14 13:09:43,737 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 113) no Hoare annotation was computed. [2022-12-14 13:09:43,737 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 164) no Hoare annotation was computed. [2022-12-14 13:09:43,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2022-12-14 13:09:43,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2022-12-14 13:09:43,737 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 345) no Hoare annotation was computed. [2022-12-14 13:09:43,737 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 213) no Hoare annotation was computed. [2022-12-14 13:09:43,737 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 264) no Hoare annotation was computed. [2022-12-14 13:09:43,737 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 143) no Hoare annotation was computed. [2022-12-14 13:09:43,737 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-12-14 13:09:43,738 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2022-12-14 13:09:43,738 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 445) no Hoare annotation was computed. [2022-12-14 13:09:43,738 INFO L899 garLoopResultBuilder]: For program point L298(lines 298 313) no Hoare annotation was computed. [2022-12-14 13:09:43,738 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 364) no Hoare annotation was computed. [2022-12-14 13:09:43,738 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2022-12-14 13:09:43,738 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 181) no Hoare annotation was computed. [2022-12-14 13:09:43,738 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 111) no Hoare annotation was computed. [2022-12-14 13:09:43,738 INFO L902 garLoopResultBuilder]: At program point main_ERROR#1(lines 16 572) the Hoare annotation is: true [2022-12-14 13:09:43,738 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2022-12-14 13:09:43,738 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 545) no Hoare annotation was computed. [2022-12-14 13:09:43,738 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 413) no Hoare annotation was computed. [2022-12-14 13:09:43,738 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 464) no Hoare annotation was computed. [2022-12-14 13:09:43,738 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 343) no Hoare annotation was computed. [2022-12-14 13:09:43,739 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 281) no Hoare annotation was computed. [2022-12-14 13:09:43,739 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 211) no Hoare annotation was computed. [2022-12-14 13:09:43,739 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 79) no Hoare annotation was computed. [2022-12-14 13:09:43,741 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:43,744 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 13:09:43,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 01:09:43 BoogieIcfgContainer [2022-12-14 13:09:43,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 13:09:43,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 13:09:43,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 13:09:43,759 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 13:09:43,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:09:30" (3/4) ... [2022-12-14 13:09:43,762 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 13:09:43,778 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 13:09:43,779 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 13:09:43,780 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 13:09:43,781 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 13:09:43,860 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 13:09:43,860 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 13:09:43,861 INFO L158 Benchmark]: Toolchain (without parser) took 14686.38ms. Allocated memory was 111.1MB in the beginning and 249.6MB in the end (delta: 138.4MB). Free memory was 69.4MB in the beginning and 81.1MB in the end (delta: -11.7MB). Peak memory consumption was 129.8MB. Max. memory is 16.1GB. [2022-12-14 13:09:43,861 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:09:43,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.32ms. Allocated memory is still 111.1MB. Free memory was 69.0MB in the beginning and 48.8MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 13:09:43,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.99ms. Allocated memory is still 111.1MB. Free memory was 48.8MB in the beginning and 44.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 13:09:43,862 INFO L158 Benchmark]: Boogie Preprocessor took 69.31ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 44.2MB in the beginning and 111.2MB in the end (delta: -67.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-12-14 13:09:43,862 INFO L158 Benchmark]: RCFGBuilder took 726.25ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 63.7MB in the end (delta: 47.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-12-14 13:09:43,863 INFO L158 Benchmark]: TraceAbstraction took 13466.48ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 63.0MB in the beginning and 89.5MB in the end (delta: -26.5MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2022-12-14 13:09:43,863 INFO L158 Benchmark]: Witness Printer took 101.73ms. Allocated memory is still 249.6MB. Free memory was 89.5MB in the beginning and 81.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 13:09:43,865 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 111.1MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.32ms. Allocated memory is still 111.1MB. Free memory was 69.0MB in the beginning and 48.8MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.99ms. Allocated memory is still 111.1MB. Free memory was 48.8MB in the beginning and 44.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.31ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 44.2MB in the beginning and 111.2MB in the end (delta: -67.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * RCFGBuilder took 726.25ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 63.7MB in the end (delta: 47.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 13466.48ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 63.0MB in the beginning and 89.5MB in the end (delta: -26.5MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. * Witness Printer took 101.73ms. Allocated memory is still 249.6MB. Free memory was 89.5MB in the beginning and 81.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: 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, 192 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 13.4s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1587 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1587 mSDsluCounter, 3415 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1762 mSDsCounter, 156 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1349 IncrementalHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 156 mSolverCounterUnsat, 1653 mSDtfsCounter, 1349 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred in iteration=4, InterpolantAutomatonStates: 45, 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, 9 MinimizatonAttempts, 120 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 18 NumberOfFragments, 29 HoareAnnotationTreeSize, 4 FomulaSimplifications, 226 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 919 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 295 NumberOfCodeBlocks, 295 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 368 ConstructedInterpolants, 0 QuantifiedInterpolants, 948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 650 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 65/89 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 1.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 34, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 98, TOOLS_POST_TIME: 1.3s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 69, TOOLS_QUANTIFIERELIM_TIME: 1.2s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 144, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 34, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 0.8s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.8s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 783, DAG_COMPRESSION_RETAINED_NODES: 92, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((0 <= 2147483647 + this_expect && this_expect <= 16) && 0 <= this_buffer_empty) && this_buffer_empty <= 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (0 <= 2147483647 + this_expect && 0 <= this_buffer_empty) && this_buffer_empty <= 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 13:09:43,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251562ca-682e-4f33-88f3-c3beb0782254/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE