./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:40:55,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:40:55,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:40:56,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:40:56,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:40:56,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:40:56,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:40:56,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:40:56,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:40:56,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:40:56,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:40:56,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:40:56,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:40:56,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:40:56,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:40:56,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:40:56,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:40:56,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:40:56,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:40:56,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:40:56,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:40:56,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:40:56,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:40:56,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:40:56,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:40:56,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:40:56,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:40:56,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:40:56,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:40:56,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:40:56,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:40:56,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:40:56,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:40:56,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:40:56,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:40:56,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:40:56,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:40:56,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:40:56,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:40:56,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:40:56,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:40:56,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-13 02:40:56,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:40:56,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:40:56,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:40:56,086 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:40:56,087 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:40:56,087 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:40:56,087 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:40:56,087 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:40:56,088 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:40:56,088 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:40:56,088 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:40:56,088 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:40:56,088 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:40:56,089 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:40:56,089 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:40:56,089 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:40:56,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:40:56,090 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 02:40:56,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:40:56,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:40:56,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:40:56,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:40:56,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:40:56,092 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 02:40:56,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:40:56,092 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:40:56,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:40:56,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:40:56,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:40:56,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:40:56,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:40:56,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:40:56,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:40:56,094 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:40:56,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:40:56,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:40:56,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:40:56,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:40:56,095 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 [2021-11-13 02:40:56,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:40:56,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:40:56,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:40:56,375 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:40:56,376 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:40:56,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-11-13 02:40:56,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/data/d01e6b994/df63ffefd6054dbfbc2a5d7e5ce09f73/FLAG69fa91cea [2021-11-13 02:40:57,052 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:40:57,052 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-11-13 02:40:57,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/data/d01e6b994/df63ffefd6054dbfbc2a5d7e5ce09f73/FLAG69fa91cea [2021-11-13 02:40:57,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/data/d01e6b994/df63ffefd6054dbfbc2a5d7e5ce09f73 [2021-11-13 02:40:57,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:40:57,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:40:57,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:40:57,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:40:57,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:40:57,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:40:57" (1/1) ... [2021-11-13 02:40:57,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32960023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:57, skipping insertion in model container [2021-11-13 02:40:57,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:40:57" (1/1) ... [2021-11-13 02:40:57,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:40:57,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:40:58,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:40:58,102 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:40:58,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:40:58,335 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:40:58,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:58 WrapperNode [2021-11-13 02:40:58,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:40:58,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:40:58,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:40:58,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:40:58,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:58" (1/1) ... [2021-11-13 02:40:58,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:58" (1/1) ... [2021-11-13 02:40:58,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:40:58,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:40:58,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:40:58,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:40:58,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:58" (1/1) ... [2021-11-13 02:40:58,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:58" (1/1) ... [2021-11-13 02:40:58,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:58" (1/1) ... [2021-11-13 02:40:58,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:58" (1/1) ... [2021-11-13 02:40:58,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:58" (1/1) ... [2021-11-13 02:40:58,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:58" (1/1) ... [2021-11-13 02:40:58,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:58" (1/1) ... [2021-11-13 02:40:58,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:40:58,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:40:58,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:40:58,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:40:58,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:58" (1/1) ... [2021-11-13 02:40:58,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:40:58,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:40:58,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:40:58,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:40:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 02:40:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 02:40:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:40:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:40:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:40:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 02:40:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 02:40:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-13 02:40:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:40:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-11-13 02:40:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:40:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 02:40:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:40:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:40:59,464 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:40:59,464 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-13 02:40:59,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:40:59 BoogieIcfgContainer [2021-11-13 02:40:59,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:40:59,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:40:59,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:40:59,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:40:59,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:40:57" (1/3) ... [2021-11-13 02:40:59,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c839dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:40:59, skipping insertion in model container [2021-11-13 02:40:59,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:58" (2/3) ... [2021-11-13 02:40:59,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c839dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:40:59, skipping insertion in model container [2021-11-13 02:40:59,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:40:59" (3/3) ... [2021-11-13 02:40:59,476 INFO L111 eAbstractionObserver]: Analyzing ICFG dirname-1.i [2021-11-13 02:40:59,481 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:40:59,481 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2021-11-13 02:40:59,544 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:40:59,551 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 02:40:59,551 INFO L340 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2021-11-13 02:40:59,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 42 states have (on average 1.880952380952381) internal successors, (79), 66 states have internal predecessors, (79), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 02:40:59,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 02:40:59,583 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:40:59,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-13 02:40:59,584 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-13 02:40:59,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:40:59,588 INFO L85 PathProgramCache]: Analyzing trace with hash 258831, now seen corresponding path program 1 times [2021-11-13 02:40:59,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:40:59,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177582946] [2021-11-13 02:40:59,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:40:59,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:40:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:40:59,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:40:59,832 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:40:59,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177582946] [2021-11-13 02:40:59,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177582946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:40:59,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:40:59,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-13 02:40:59,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914020033] [2021-11-13 02:40:59,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:40:59,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:40:59,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:40:59,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:40:59,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:40:59,871 INFO L87 Difference]: Start difference. First operand has 69 states, 42 states have (on average 1.880952380952381) internal successors, (79), 66 states have internal predecessors, (79), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-13 02:40:59,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:40:59,967 INFO L93 Difference]: Finished difference Result 137 states and 161 transitions. [2021-11-13 02:40:59,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:40:59,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-13 02:40:59,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:40:59,984 INFO L225 Difference]: With dead ends: 137 [2021-11-13 02:40:59,984 INFO L226 Difference]: Without dead ends: 71 [2021-11-13 02:40:59,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:40:59,995 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 1 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.84ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.66ms IncrementalHoareTripleChecker+Time [2021-11-13 02:40:59,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 134 Invalid, 29 Unknown, 0 Unchecked, 3.84ms Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 59.66ms Time] [2021-11-13 02:41:00,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-11-13 02:41:00,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-11-13 02:41:00,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 45 states have (on average 1.8) internal successors, (81), 68 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 02:41:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 83 transitions. [2021-11-13 02:41:00,053 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 83 transitions. Word has length 3 [2021-11-13 02:41:00,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:41:00,054 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 83 transitions. [2021-11-13 02:41:00,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-13 02:41:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2021-11-13 02:41:00,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 02:41:00,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:41:00,057 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2021-11-13 02:41:00,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 02:41:00,058 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-13 02:41:00,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:41:00,061 INFO L85 PathProgramCache]: Analyzing trace with hash -879055743, now seen corresponding path program 1 times [2021-11-13 02:41:00,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:41:00,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626121986] [2021-11-13 02:41:00,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:00,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:41:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:41:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 02:41:00,211 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:41:00,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626121986] [2021-11-13 02:41:00,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626121986] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:41:00,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:41:00,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 02:41:00,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290915024] [2021-11-13 02:41:00,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:41:00,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:41:00,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:41:00,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:41:00,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:41:00,215 INFO L87 Difference]: Start difference. First operand 71 states and 83 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-13 02:41:00,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:41:00,264 INFO L93 Difference]: Finished difference Result 71 states and 83 transitions. [2021-11-13 02:41:00,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:41:00,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2021-11-13 02:41:00,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:41:00,266 INFO L225 Difference]: With dead ends: 71 [2021-11-13 02:41:00,266 INFO L226 Difference]: Without dead ends: 70 [2021-11-13 02:41:00,267 INFO L932 BasicCegarLoop]: 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 [2021-11-13 02:41:00,268 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 2 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.51ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.45ms IncrementalHoareTripleChecker+Time [2021-11-13 02:41:00,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 132 Invalid, 23 Unknown, 0 Unchecked, 1.51ms Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 38.45ms Time] [2021-11-13 02:41:00,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-13 02:41:00,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-11-13 02:41:00,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 45 states have (on average 1.7777777777777777) internal successors, (80), 67 states have internal predecessors, (80), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 02:41:00,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 82 transitions. [2021-11-13 02:41:00,277 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 82 transitions. Word has length 6 [2021-11-13 02:41:00,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:41:00,277 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 82 transitions. [2021-11-13 02:41:00,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-13 02:41:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2021-11-13 02:41:00,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 02:41:00,278 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:41:00,278 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2021-11-13 02:41:00,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 02:41:00,279 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-13 02:41:00,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:41:00,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1480924212, now seen corresponding path program 1 times [2021-11-13 02:41:00,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:41:00,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094147158] [2021-11-13 02:41:00,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:00,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:41:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:41:00,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:41:00,402 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:41:00,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094147158] [2021-11-13 02:41:00,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094147158] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 02:41:00,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712769641] [2021-11-13 02:41:00,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:00,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:41:00,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:41:00,414 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:41:00,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 02:41:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:41:00,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 02:41:00,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:41:00,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:41:00,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:41:00,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:41:00,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712769641] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:41:00,683 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-13 02:41:00,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [2] total 5 [2021-11-13 02:41:00,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346114969] [2021-11-13 02:41:00,684 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:41:00,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:41:00,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:41:00,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:41:00,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:41:00,687 INFO L87 Difference]: Start difference. First operand 70 states and 82 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 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) [2021-11-13 02:41:00,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:41:00,766 INFO L93 Difference]: Finished difference Result 70 states and 82 transitions. [2021-11-13 02:41:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:41:00,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 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 7 [2021-11-13 02:41:00,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:41:00,768 INFO L225 Difference]: With dead ends: 70 [2021-11-13 02:41:00,768 INFO L226 Difference]: Without dead ends: 69 [2021-11-13 02:41:00,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:41:00,770 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 213 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.15ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.73ms IncrementalHoareTripleChecker+Time [2021-11-13 02:41:00,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 68 Invalid, 25 Unknown, 0 Unchecked, 2.15ms Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 65.73ms Time] [2021-11-13 02:41:00,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-13 02:41:00,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2021-11-13 02:41:00,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.7906976744186047) internal successors, (77), 64 states have internal predecessors, (77), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 02:41:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 79 transitions. [2021-11-13 02:41:00,778 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 79 transitions. Word has length 7 [2021-11-13 02:41:00,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:41:00,779 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 79 transitions. [2021-11-13 02:41:00,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 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) [2021-11-13 02:41:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 79 transitions. [2021-11-13 02:41:00,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 02:41:00,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:41:00,780 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:41:00,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:41:01,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-13 02:41:01,010 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-13 02:41:01,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:41:01,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1312036796, now seen corresponding path program 1 times [2021-11-13 02:41:01,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:41:01,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527656735] [2021-11-13 02:41:01,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:01,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:41:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:41:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:41:01,068 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:41:01,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527656735] [2021-11-13 02:41:01,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527656735] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 02:41:01,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866182233] [2021-11-13 02:41:01,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:01,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:41:01,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:41:01,086 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:41:01,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 02:41:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:41:01,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 02:41:01,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:41:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:41:01,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:41:01,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:41:01,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866182233] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:41:01,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [579083867] [2021-11-13 02:41:01,327 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-13 02:41:01,328 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 02:41:01,332 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 02:41:01,337 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 02:41:01,338 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 02:41:01,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:01,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:01,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:01,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 246 [2021-11-13 02:41:01,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:01,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:01,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-13 02:41:01,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:01,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:01,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 02:41:01,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:01,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:01,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-13 02:41:01,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:01,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:01,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 02:41:01,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 867 [2021-11-13 02:41:01,571 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_28|], 351=[|v_#valid_47|]} [2021-11-13 02:41:01,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:01,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,449 INFO L244 Elim1Store]: Index analysis took 824 ms [2021-11-13 02:41:02,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-13 02:41:02,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:02,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-13 02:41:02,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:02,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-13 02:41:02,490 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:02,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:02,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:04,374 INFO L244 Elim1Store]: Index analysis took 735 ms [2021-11-13 02:41:05,410 INFO L354 Elim1Store]: treesize reduction 763, result has 4.5 percent of original size [2021-11-13 02:41:05,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 64 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 223 treesize of output 222 [2021-11-13 02:41:05,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:05,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-13 02:41:05,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:05,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-13 02:41:05,446 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:05,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:05,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:05,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:41:05,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:41:05,774 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: incompatible size at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:210) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:63) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:573) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:444) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 02:41:05,777 INFO L158 Benchmark]: Toolchain (without parser) took 8475.50ms. Allocated memory was 104.9MB in the beginning and 167.8MB in the end (delta: 62.9MB). Free memory was 71.0MB in the beginning and 119.7MB in the end (delta: -48.7MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2021-11-13 02:41:05,777 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:41:05,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1017.78ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 70.8MB in the beginning and 108.0MB in the end (delta: -37.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2021-11-13 02:41:05,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.51ms. Allocated memory is still 136.3MB. Free memory was 108.0MB in the beginning and 104.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:41:05,778 INFO L158 Benchmark]: Boogie Preprocessor took 58.33ms. Allocated memory is still 136.3MB. Free memory was 104.7MB in the beginning and 101.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 02:41:05,779 INFO L158 Benchmark]: RCFGBuilder took 993.74ms. Allocated memory is still 136.3MB. Free memory was 101.8MB in the beginning and 69.1MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-13 02:41:05,779 INFO L158 Benchmark]: TraceAbstraction took 6307.29ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 68.3MB in the beginning and 119.7MB in the end (delta: -51.5MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2021-11-13 02:41:05,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1017.78ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 70.8MB in the beginning and 108.0MB in the end (delta: -37.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.51ms. Allocated memory is still 136.3MB. Free memory was 108.0MB in the beginning and 104.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.33ms. Allocated memory is still 136.3MB. Free memory was 104.7MB in the beginning and 101.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 993.74ms. Allocated memory is still 136.3MB. Free memory was 101.8MB in the beginning and 69.1MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6307.29ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 68.3MB in the beginning and 119.7MB in the end (delta: -51.5MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: incompatible size de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: incompatible size: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:210) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 02:41:05,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27ef94a-b113-4a6c-ab8c-a4f9ac86ecab/bin/utaipan-vmNK8stdcF/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: incompatible size