./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_07_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_07_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --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 2cffa9c83dceffcab51ae28a2e9e4af309649d5379be8d53d464d763bd5de99d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:54:07,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:54:07,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-24 23:54:07,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:54:07,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:54:07,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:54:07,283 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:54:07,283 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:54:07,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:54:07,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:54:07,285 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:54:07,286 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:54:07,286 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:54:07,287 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:54:07,287 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:54:07,288 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:54:07,289 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:54:07,289 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:54:07,290 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:54:07,292 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:54:07,293 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:54:07,304 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:54:07,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:54:07,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:54:07,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:54:07,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:54:07,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:54:07,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:54:07,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:54:07,308 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:54:07,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:54:07,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:54:07,309 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:54:07,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:54:07,310 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:54:07,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:54:07,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:07,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:54:07,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:54:07,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:54:07,313 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:54:07,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:54:07,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:54:07,315 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:54:07,316 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:54:07,316 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:54:07,316 INFO L153 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_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cffa9c83dceffcab51ae28a2e9e4af309649d5379be8d53d464d763bd5de99d [2023-11-24 23:54:07,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:54:07,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:54:07,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:54:07,668 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:54:07,670 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:54:07,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_07_good.i [2023-11-24 23:54:10,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:54:11,340 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:54:11,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_07_good.i [2023-11-24 23:54:11,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/data/f19c06f35/5f8600356ab84feb836c0a9f1928bad4/FLAGec518006d [2023-11-24 23:54:11,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/data/f19c06f35/5f8600356ab84feb836c0a9f1928bad4 [2023-11-24 23:54:11,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:54:11,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:54:11,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:11,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:54:11,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:54:11,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:11" (1/1) ... [2023-11-24 23:54:11,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f1579b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:11, skipping insertion in model container [2023-11-24 23:54:11,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:11" (1/1) ... [2023-11-24 23:54:11,538 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:54:12,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:12,630 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:54:12,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:12,955 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:54:12,956 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:54:12,956 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:54:12,956 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:54:12,964 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:54:12,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:12 WrapperNode [2023-11-24 23:54:12,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:12,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:12,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:54:12,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:54:12,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:12" (1/1) ... [2023-11-24 23:54:13,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:12" (1/1) ... [2023-11-24 23:54:13,069 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 104 [2023-11-24 23:54:13,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:13,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:54:13,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:54:13,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:54:13,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:12" (1/1) ... [2023-11-24 23:54:13,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:12" (1/1) ... [2023-11-24 23:54:13,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:12" (1/1) ... [2023-11-24 23:54:13,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:12" (1/1) ... [2023-11-24 23:54:13,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:12" (1/1) ... [2023-11-24 23:54:13,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:12" (1/1) ... [2023-11-24 23:54:13,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:12" (1/1) ... [2023-11-24 23:54:13,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:12" (1/1) ... [2023-11-24 23:54:13,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:54:13,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:54:13,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:54:13,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:54:13,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:12" (1/1) ... [2023-11-24 23:54:13,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:13,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:54:13,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:54:13,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:54:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:54:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:54:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:54:13,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:54:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:54:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:54:13,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:54:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:54:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:54:13,364 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:54:13,367 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:54:13,657 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:54:13,742 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:54:13,743 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:54:13,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:13 BoogieIcfgContainer [2023-11-24 23:54:13,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:54:13,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:54:13,750 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:54:13,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:54:13,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:54:11" (1/3) ... [2023-11-24 23:54:13,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3745402a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:13, skipping insertion in model container [2023-11-24 23:54:13,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:12" (2/3) ... [2023-11-24 23:54:13,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3745402a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:13, skipping insertion in model container [2023-11-24 23:54:13,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:13" (3/3) ... [2023-11-24 23:54:13,758 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_07_good.i [2023-11-24 23:54:13,779 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:54:13,779 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-24 23:54:13,845 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:54:13,852 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=LoopHeads, 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;@18f0f0c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:54:13,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-24 23:54:13,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 32 states have (on average 1.46875) internal successors, (47), 40 states have internal predecessors, (47), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-24 23:54:13,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:54:13,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:13,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:54:13,886 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-24 23:54:13,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:13,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1813018311, now seen corresponding path program 1 times [2023-11-24 23:54:13,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:54:13,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583333670] [2023-11-24 23:54:13,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:13,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:54:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:54:14,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:54:14,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583333670] [2023-11-24 23:54:14,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583333670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:54:14,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:54:14,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:54:14,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80323481] [2023-11-24 23:54:14,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:54:14,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:54:14,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:54:14,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:54:14,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:54:14,382 INFO L87 Difference]: Start difference. First operand has 53 states, 32 states have (on average 1.46875) internal successors, (47), 40 states have internal predecessors, (47), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:54:14,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:54:14,484 INFO L93 Difference]: Finished difference Result 89 states and 110 transitions. [2023-11-24 23:54:14,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:54:14,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2023-11-24 23:54:14,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:54:14,494 INFO L225 Difference]: With dead ends: 89 [2023-11-24 23:54:14,494 INFO L226 Difference]: Without dead ends: 37 [2023-11-24 23:54:14,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:54:14,505 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 47 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:54:14,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 65 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:54:14,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-24 23:54:14,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-24 23:54:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 29 states have internal predecessors, (30), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-24 23:54:14,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2023-11-24 23:54:14,546 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 8 [2023-11-24 23:54:14,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:54:14,548 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2023-11-24 23:54:14,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:54:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2023-11-24 23:54:14,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:54:14,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:14,550 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:54:14,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:54:14,551 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-24 23:54:14,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:14,552 INFO L85 PathProgramCache]: Analyzing trace with hash -175081578, now seen corresponding path program 1 times [2023-11-24 23:54:14,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:54:14,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977048616] [2023-11-24 23:54:14,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:14,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:54:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:14,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:54:14,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:54:14,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977048616] [2023-11-24 23:54:14,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977048616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:54:14,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:54:14,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:54:14,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490646267] [2023-11-24 23:54:14,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:54:14,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:54:14,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:54:14,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:54:14,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:54:14,764 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-24 23:54:14,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:54:14,823 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2023-11-24 23:54:14,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:54:14,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2023-11-24 23:54:14,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:54:14,824 INFO L225 Difference]: With dead ends: 54 [2023-11-24 23:54:14,825 INFO L226 Difference]: Without dead ends: 31 [2023-11-24 23:54:14,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:54:14,827 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 26 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:54:14,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 36 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:54:14,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-24 23:54:14,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-24 23:54:14,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 24 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-24 23:54:14,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2023-11-24 23:54:14,835 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 15 [2023-11-24 23:54:14,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:54:14,835 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2023-11-24 23:54:14,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-24 23:54:14,836 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2023-11-24 23:54:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:54:14,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:14,837 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:54:14,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:54:14,837 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-24 23:54:14,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:14,838 INFO L85 PathProgramCache]: Analyzing trace with hash 2128674982, now seen corresponding path program 1 times [2023-11-24 23:54:14,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:54:14,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132230729] [2023-11-24 23:54:14,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:14,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:54:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:54:14,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:54:14,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132230729] [2023-11-24 23:54:14,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132230729] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:54:14,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:54:14,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:54:14,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260592717] [2023-11-24 23:54:14,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:54:14,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:54:14,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:54:14,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:54:14,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:54:14,959 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:54:14,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:54:14,994 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2023-11-24 23:54:14,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:54:14,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2023-11-24 23:54:14,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:54:14,999 INFO L225 Difference]: With dead ends: 31 [2023-11-24 23:54:14,999 INFO L226 Difference]: Without dead ends: 29 [2023-11-24 23:54:15,000 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 [2023-11-24 23:54:15,007 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:54:15,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 41 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:54:15,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-24 23:54:15,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-24 23:54:15,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 22 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-24 23:54:15,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2023-11-24 23:54:15,014 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 22 [2023-11-24 23:54:15,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:54:15,014 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2023-11-24 23:54:15,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:54:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2023-11-24 23:54:15,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:54:15,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:15,017 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:54:15,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 23:54:15,018 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-24 23:54:15,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:15,019 INFO L85 PathProgramCache]: Analyzing trace with hash -546449390, now seen corresponding path program 1 times [2023-11-24 23:54:15,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:54:15,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36256305] [2023-11-24 23:54:15,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:15,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:54:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:15,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:54:15,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:54:15,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36256305] [2023-11-24 23:54:15,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36256305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:54:15,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:54:15,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:54:15,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214654083] [2023-11-24 23:54:15,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:54:15,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:54:15,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:54:15,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:54:15,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:54:15,148 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-24 23:54:15,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:54:15,184 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2023-11-24 23:54:15,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:54:15,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2023-11-24 23:54:15,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:54:15,185 INFO L225 Difference]: With dead ends: 29 [2023-11-24 23:54:15,186 INFO L226 Difference]: Without dead ends: 0 [2023-11-24 23:54:15,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:54:15,196 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 10 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:54:15,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 32 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:54:15,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-24 23:54:15,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-24 23:54:15,197 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) [2023-11-24 23:54:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-24 23:54:15,198 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2023-11-24 23:54:15,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:54:15,198 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-24 23:54:15,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-24 23:54:15,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-24 23:54:15,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:54:15,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-24 23:54:15,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-24 23:54:15,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-24 23:54:15,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-24 23:54:15,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-24 23:54:15,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-24 23:54:15,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-24 23:54:15,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-24 23:54:15,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-24 23:54:15,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-24 23:54:15,242 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-24 23:54:15,243 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-24 23:54:15,243 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-24 23:54:15,243 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-24 23:54:15,243 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2023-11-24 23:54:15,244 INFO L899 garLoopResultBuilder]: For program point L1629(line 1629) no Hoare annotation was computed. [2023-11-24 23:54:15,244 INFO L899 garLoopResultBuilder]: For program point L1629-1(line 1629) no Hoare annotation was computed. [2023-11-24 23:54:15,244 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1572) no Hoare annotation was computed. [2023-11-24 23:54:15,244 INFO L899 garLoopResultBuilder]: For program point L1563-2(lines 1549 1574) no Hoare annotation was computed. [2023-11-24 23:54:15,244 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2023-11-24 23:54:15,245 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1565) no Hoare annotation was computed. [2023-11-24 23:54:15,245 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1617) no Hoare annotation was computed. [2023-11-24 23:54:15,245 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: false [2023-11-24 23:54:15,245 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2023-11-24 23:54:15,246 INFO L899 garLoopResultBuilder]: For program point L1622-2(lines 1619 1634) no Hoare annotation was computed. [2023-11-24 23:54:15,246 INFO L895 garLoopResultBuilder]: At program point L1647(line 1647) the Hoare annotation is: (= ~staticFive~0 5) [2023-11-24 23:54:15,246 INFO L895 garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: (= ~staticFive~0 5) [2023-11-24 23:54:15,246 INFO L899 garLoopResultBuilder]: For program point L1647-1(line 1647) no Hoare annotation was computed. [2023-11-24 23:54:15,246 INFO L899 garLoopResultBuilder]: For program point L1614-1(line 1614) no Hoare annotation was computed. [2023-11-24 23:54:15,247 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1565) no Hoare annotation was computed. [2023-11-24 23:54:15,247 INFO L895 garLoopResultBuilder]: At program point L1631(line 1631) the Hoare annotation is: (= ~staticFive~0 5) [2023-11-24 23:54:15,247 INFO L899 garLoopResultBuilder]: For program point L1631-1(line 1631) no Hoare annotation was computed. [2023-11-24 23:54:15,247 INFO L899 garLoopResultBuilder]: For program point L1565(line 1565) no Hoare annotation was computed. [2023-11-24 23:54:15,247 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2023-11-24 23:54:15,247 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-24 23:54:15,248 INFO L899 garLoopResultBuilder]: For program point L1575(lines 1575 1596) no Hoare annotation was computed. [2023-11-24 23:54:15,248 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: false [2023-11-24 23:54:15,248 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2023-11-24 23:54:15,248 INFO L895 garLoopResultBuilder]: At program point L1559(line 1559) the Hoare annotation is: false [2023-11-24 23:54:15,248 INFO L899 garLoopResultBuilder]: For program point L1559-1(line 1559) no Hoare annotation was computed. [2023-11-24 23:54:15,249 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1608) no Hoare annotation was computed. [2023-11-24 23:54:15,249 INFO L899 garLoopResultBuilder]: For program point L1601-2(lines 1598 1617) no Hoare annotation was computed. [2023-11-24 23:54:15,249 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2023-11-24 23:54:15,249 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: (and (= ~staticFive~0 5) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-11-24 23:54:15,249 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2023-11-24 23:54:15,250 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1634) no Hoare annotation was computed. [2023-11-24 23:54:15,250 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1594) no Hoare annotation was computed. [2023-11-24 23:54:15,250 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-24 23:54:15,250 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2023-11-24 23:54:15,250 INFO L899 garLoopResultBuilder]: For program point L1553-2(lines 1550 1574) no Hoare annotation was computed. [2023-11-24 23:54:15,251 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: false [2023-11-24 23:54:15,251 INFO L899 garLoopResultBuilder]: For program point L1603-1(line 1603) no Hoare annotation was computed. [2023-11-24 23:54:15,251 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2023-11-24 23:54:15,251 INFO L899 garLoopResultBuilder]: For program point L1587(line 1587) no Hoare annotation was computed. [2023-11-24 23:54:15,251 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2023-11-24 23:54:15,252 INFO L895 garLoopResultBuilder]: At program point L1645(line 1645) the Hoare annotation is: (= ~staticFive~0 5) [2023-11-24 23:54:15,252 INFO L899 garLoopResultBuilder]: For program point L1645-1(line 1645) no Hoare annotation was computed. [2023-11-24 23:54:15,252 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2023-11-24 23:54:15,252 INFO L899 garLoopResultBuilder]: For program point L1612-1(line 1612) no Hoare annotation was computed. [2023-11-24 23:54:15,252 INFO L899 garLoopResultBuilder]: For program point L1579-2(lines 1576 1596) no Hoare annotation was computed. [2023-11-24 23:54:15,253 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2023-11-24 23:54:15,253 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (and (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~staticFive~0 5)) [2023-11-24 23:54:15,253 INFO L899 garLoopResultBuilder]: For program point L1571-1(line 1571) no Hoare annotation was computed. [2023-11-24 23:54:15,256 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-24 23:54:15,260 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:54:15,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:54:15 BoogieIcfgContainer [2023-11-24 23:54:15,270 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:54:15,271 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:54:15,271 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:54:15,271 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:54:15,272 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:13" (3/4) ... [2023-11-24 23:54:15,274 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:54:15,277 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:54:15,278 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:54:15,293 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-24 23:54:15,295 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:54:15,296 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:54:15,296 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:54:15,408 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:54:15,408 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-24 23:54:15,408 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:54:15,409 INFO L158 Benchmark]: Toolchain (without parser) took 3998.50ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 85.3MB in the beginning and 119.6MB in the end (delta: -34.4MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. [2023-11-24 23:54:15,409 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:54:15,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1551.79ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 85.3MB in the beginning and 97.6MB in the end (delta: -12.4MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-11-24 23:54:15,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.44ms. Allocated memory is still 159.4MB. Free memory was 97.6MB in the beginning and 94.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:54:15,411 INFO L158 Benchmark]: Boogie Preprocessor took 34.19ms. Allocated memory is still 159.4MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:54:15,411 INFO L158 Benchmark]: RCFGBuilder took 640.84ms. Allocated memory is still 159.4MB. Free memory was 92.6MB in the beginning and 74.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:54:15,412 INFO L158 Benchmark]: TraceAbstraction took 1520.96ms. Allocated memory is still 159.4MB. Free memory was 73.7MB in the beginning and 50.8MB in the end (delta: 23.0MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-24 23:54:15,412 INFO L158 Benchmark]: Witness Printer took 137.49ms. Allocated memory is still 159.4MB. Free memory was 50.8MB in the beginning and 119.6MB in the end (delta: -68.8MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2023-11-24 23:54:15,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1551.79ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 85.3MB in the beginning and 97.6MB in the end (delta: -12.4MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.44ms. Allocated memory is still 159.4MB. Free memory was 97.6MB in the beginning and 94.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.19ms. Allocated memory is still 159.4MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 640.84ms. Allocated memory is still 159.4MB. Free memory was 92.6MB in the beginning and 74.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1520.96ms. Allocated memory is still 159.4MB. Free memory was 73.7MB in the beginning and 50.8MB in the end (delta: 23.0MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 137.49ms. Allocated memory is still 159.4MB. Free memory was 50.8MB in the beginning and 119.6MB in the end (delta: -68.8MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 174 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 90 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 26 PreInvPairs, 30 NumberOfFragments, 32 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-24 23:54:15,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f036daa-1b0c-4af8-ac86-0316e7695e52/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE