./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe035_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe035_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje --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 32bit --witnessprinter.graph.data.programhash 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:01:10,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:01:10,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 05:01:10,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:01:10,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:01:10,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:01:10,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:01:10,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:01:10,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:01:10,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:01:10,940 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:01:10,941 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:01:10,941 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:01:10,942 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:01:10,942 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:01:10,942 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:01:10,943 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:01:10,946 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:01:10,947 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:01:10,947 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:01:10,948 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:01:10,951 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:01:10,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:01:10,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:01:10,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:01:10,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:01:10,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:01:10,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:01:10,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:01:10,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:01:10,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:01:10,969 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:01:10,969 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:01:10,970 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:01:10,970 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:01:10,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:01:10,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:01:10,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:01:10,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:01:10,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:01:10,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:01:10,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:01:10,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:01:10,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:01:10,975 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:01:10,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:01:10,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:01:10,976 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:01:10,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:01:10,976 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_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2024-11-09 05:01:11,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:01:11,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:01:11,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:01:11,353 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:01:11,354 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:01:11,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-wmm/safe035_power.i Unable to find full path for "g++" [2024-11-09 05:01:13,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:01:14,079 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:01:14,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-11-09 05:01:14,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/data/54e32b3ff/705abada89004db6ba156040f516ef52/FLAG9f05a9d7c [2024-11-09 05:01:14,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/data/54e32b3ff/705abada89004db6ba156040f516ef52 [2024-11-09 05:01:14,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:01:14,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:01:14,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:01:14,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:01:14,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:01:14,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:01:14" (1/1) ... [2024-11-09 05:01:14,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cfabf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:14, skipping insertion in model container [2024-11-09 05:01:14,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:01:14" (1/1) ... [2024-11-09 05:01:14,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:01:14,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:01:15,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:01:15,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:01:15,180 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:01:15,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:15 WrapperNode [2024-11-09 05:01:15,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:01:15,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:01:15,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:01:15,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:01:15,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:15" (1/1) ... [2024-11-09 05:01:15,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:15" (1/1) ... [2024-11-09 05:01:15,292 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 171 [2024-11-09 05:01:15,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:01:15,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:01:15,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:01:15,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:01:15,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:15" (1/1) ... [2024-11-09 05:01:15,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:15" (1/1) ... [2024-11-09 05:01:15,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:15" (1/1) ... [2024-11-09 05:01:15,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:15" (1/1) ... [2024-11-09 05:01:15,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:15" (1/1) ... [2024-11-09 05:01:15,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:15" (1/1) ... [2024-11-09 05:01:15,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:15" (1/1) ... [2024-11-09 05:01:15,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:15" (1/1) ... [2024-11-09 05:01:15,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:01:15,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:01:15,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:01:15,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:01:15,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:15" (1/1) ... [2024-11-09 05:01:15,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:01:15,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:15,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:01:15,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:01:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 05:01:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:01:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 05:01:15,474 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 05:01:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 05:01:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 05:01:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 05:01:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 05:01:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:01:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 05:01:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:01:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:01:15,480 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 05:01:15,722 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:01:15,725 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:01:16,481 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 05:01:16,481 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:01:17,045 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:01:17,048 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:01:17,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:01:17 BoogieIcfgContainer [2024-11-09 05:01:17,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:01:17,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:01:17,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:01:17,059 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:01:17,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:01:14" (1/3) ... [2024-11-09 05:01:17,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef9055f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:01:17, skipping insertion in model container [2024-11-09 05:01:17,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:15" (2/3) ... [2024-11-09 05:01:17,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef9055f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:01:17, skipping insertion in model container [2024-11-09 05:01:17,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:01:17" (3/3) ... [2024-11-09 05:01:17,067 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_power.i [2024-11-09 05:01:17,089 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:01:17,089 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 05:01:17,090 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 05:01:17,192 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 05:01:17,239 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 42 transitions, 96 flow [2024-11-09 05:01:17,731 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7166 states, 7140 states have (on average 3.541176470588235) internal successors, (25284), 7165 states have internal predecessors, (25284), 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) [2024-11-09 05:01:17,768 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:01:17,776 INFO L333 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, 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;@67ff0781, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:01:17,777 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-09 05:01:17,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 7166 states, 7140 states have (on average 3.541176470588235) internal successors, (25284), 7165 states have internal predecessors, (25284), 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) [2024-11-09 05:01:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:01:17,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:17,817 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:17,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:01:17,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:17,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1059153671, now seen corresponding path program 1 times [2024-11-09 05:01:17,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:17,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401010143] [2024-11-09 05:01:17,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:17,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:01:18,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:18,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401010143] [2024-11-09 05:01:18,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401010143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:18,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:18,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:01:18,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977589443] [2024-11-09 05:01:18,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:18,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:01:18,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:18,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:01:18,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:18,536 INFO L87 Difference]: Start difference. First operand has 7166 states, 7140 states have (on average 3.541176470588235) internal successors, (25284), 7165 states have internal predecessors, (25284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:01:18,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:18,920 INFO L93 Difference]: Finished difference Result 7166 states and 25284 transitions. [2024-11-09 05:01:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:01:18,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 05:01:18,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:19,025 INFO L225 Difference]: With dead ends: 7166 [2024-11-09 05:01:19,025 INFO L226 Difference]: Without dead ends: 5229 [2024-11-09 05:01:19,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:19,041 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 26 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:19,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 6 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:01:19,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5229 states. [2024-11-09 05:01:19,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5229 to 5229. [2024-11-09 05:01:19,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5229 states, 5222 states have (on average 3.495212562236691) internal successors, (18252), 5228 states have internal predecessors, (18252), 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) [2024-11-09 05:01:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5229 states to 5229 states and 18252 transitions. [2024-11-09 05:01:19,490 INFO L78 Accepts]: Start accepts. Automaton has 5229 states and 18252 transitions. Word has length 8 [2024-11-09 05:01:19,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:19,491 INFO L471 AbstractCegarLoop]: Abstraction has 5229 states and 18252 transitions. [2024-11-09 05:01:19,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:01:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 5229 states and 18252 transitions. [2024-11-09 05:01:19,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:01:19,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:19,493 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:19,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:01:19,494 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:01:19,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:19,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1059153672, now seen corresponding path program 1 times [2024-11-09 05:01:19,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:19,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168724841] [2024-11-09 05:01:19,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:19,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:01:19,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:19,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168724841] [2024-11-09 05:01:19,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168724841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:19,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:19,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:01:19,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424405706] [2024-11-09 05:01:19,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:19,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:01:19,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:19,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:01:19,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:19,655 INFO L87 Difference]: Start difference. First operand 5229 states and 18252 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:01:20,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:20,075 INFO L93 Difference]: Finished difference Result 5867 states and 19749 transitions. [2024-11-09 05:01:20,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:01:20,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 05:01:20,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:20,125 INFO L225 Difference]: With dead ends: 5867 [2024-11-09 05:01:20,125 INFO L226 Difference]: Without dead ends: 4312 [2024-11-09 05:01:20,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:20,135 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 20 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:20,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 12 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:01:20,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4312 states. [2024-11-09 05:01:20,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4312 to 4312. [2024-11-09 05:01:20,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4312 states, 4306 states have (on average 3.4233627496516488) internal successors, (14741), 4311 states have internal predecessors, (14741), 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) [2024-11-09 05:01:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 4312 states and 14741 transitions. [2024-11-09 05:01:20,464 INFO L78 Accepts]: Start accepts. Automaton has 4312 states and 14741 transitions. Word has length 8 [2024-11-09 05:01:20,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:20,466 INFO L471 AbstractCegarLoop]: Abstraction has 4312 states and 14741 transitions. [2024-11-09 05:01:20,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:01:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 14741 transitions. [2024-11-09 05:01:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 05:01:20,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:20,483 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:20,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:01:20,484 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:01:20,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:20,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1001979171, now seen corresponding path program 1 times [2024-11-09 05:01:20,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:20,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167941408] [2024-11-09 05:01:20,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:20,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:20,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:01:20,858 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:20,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167941408] [2024-11-09 05:01:20,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167941408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:20,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:20,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:01:20,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546089708] [2024-11-09 05:01:20,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:20,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:01:20,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:20,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:01:20,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:01:20,866 INFO L87 Difference]: Start difference. First operand 4312 states and 14741 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:01:21,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:21,581 INFO L93 Difference]: Finished difference Result 4396 states and 14897 transitions. [2024-11-09 05:01:21,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:01:21,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-09 05:01:21,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:21,631 INFO L225 Difference]: With dead ends: 4396 [2024-11-09 05:01:21,631 INFO L226 Difference]: Without dead ends: 3758 [2024-11-09 05:01:21,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:01:21,639 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 41 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:21,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 18 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 05:01:21,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3758 states. [2024-11-09 05:01:21,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3758 to 3758. [2024-11-09 05:01:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3758 states, 3755 states have (on average 3.4322237017310253) internal successors, (12888), 3757 states have internal predecessors, (12888), 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) [2024-11-09 05:01:21,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3758 states to 3758 states and 12888 transitions. [2024-11-09 05:01:21,870 INFO L78 Accepts]: Start accepts. Automaton has 3758 states and 12888 transitions. Word has length 16 [2024-11-09 05:01:21,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:21,871 INFO L471 AbstractCegarLoop]: Abstraction has 3758 states and 12888 transitions. [2024-11-09 05:01:21,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:01:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 3758 states and 12888 transitions. [2024-11-09 05:01:21,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 05:01:21,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:21,890 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:21,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:01:21,891 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:01:21,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:21,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2146271689, now seen corresponding path program 1 times [2024-11-09 05:01:21,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:21,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048729348] [2024-11-09 05:01:21,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:21,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:22,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:01:22,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:22,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048729348] [2024-11-09 05:01:22,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048729348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:22,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:22,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:01:22,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684812947] [2024-11-09 05:01:22,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:22,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:01:22,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:22,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:01:22,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:01:22,399 INFO L87 Difference]: Start difference. First operand 3758 states and 12888 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-09 05:01:22,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:22,782 INFO L93 Difference]: Finished difference Result 3758 states and 12888 transitions. [2024-11-09 05:01:22,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:01:22,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-09 05:01:22,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:22,798 INFO L225 Difference]: With dead ends: 3758 [2024-11-09 05:01:22,798 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:01:22,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:01:22,809 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 82 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:22,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 18 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:01:22,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:01:22,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:01:22,814 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) [2024-11-09 05:01:22,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:01:22,824 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2024-11-09 05:01:22,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:22,825 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:01:22,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-09 05:01:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:01:22,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:01:22,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-09 05:01:22,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-09 05:01:22,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-09 05:01:22,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-09 05:01:22,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-09 05:01:22,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-09 05:01:22,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-09 05:01:22,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-09 05:01:22,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-09 05:01:22,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-09 05:01:22,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-09 05:01:22,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-09 05:01:22,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-09 05:01:22,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-09 05:01:22,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-09 05:01:22,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:01:22,843 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 05:01:22,850 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 05:01:22,850 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:01:22,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:01:22 BasicIcfg [2024-11-09 05:01:22,857 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:01:22,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:01:22,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:01:22,860 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:01:22,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:01:17" (3/4) ... [2024-11-09 05:01:22,863 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:01:22,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-09 05:01:22,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-09 05:01:22,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-09 05:01:22,878 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 93 nodes and edges [2024-11-09 05:01:22,879 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-09 05:01:22,879 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 05:01:22,879 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 05:01:23,011 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:01:23,012 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:01:23,012 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:01:23,013 INFO L158 Benchmark]: Toolchain (without parser) took 8870.17ms. Allocated memory was 172.0MB in the beginning and 408.9MB in the end (delta: 237.0MB). Free memory was 113.3MB in the beginning and 238.0MB in the end (delta: -124.7MB). Peak memory consumption was 112.7MB. Max. memory is 16.1GB. [2024-11-09 05:01:23,013 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:01:23,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1036.87ms. Allocated memory is still 172.0MB. Free memory was 113.1MB in the beginning and 127.0MB in the end (delta: -13.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-09 05:01:23,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.76ms. Allocated memory is still 172.0MB. Free memory was 127.0MB in the beginning and 123.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:01:23,014 INFO L158 Benchmark]: Boogie Preprocessor took 75.66ms. Allocated memory is still 172.0MB. Free memory was 123.6MB in the beginning and 120.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:01:23,014 INFO L158 Benchmark]: RCFGBuilder took 1675.44ms. Allocated memory is still 172.0MB. Free memory was 120.7MB in the beginning and 104.3MB in the end (delta: 16.4MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2024-11-09 05:01:23,015 INFO L158 Benchmark]: TraceAbstraction took 5803.08ms. Allocated memory was 172.0MB in the beginning and 408.9MB in the end (delta: 237.0MB). Free memory was 103.2MB in the beginning and 243.2MB in the end (delta: -140.0MB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. [2024-11-09 05:01:23,015 INFO L158 Benchmark]: Witness Printer took 153.58ms. Allocated memory is still 408.9MB. Free memory was 243.2MB in the beginning and 238.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:01:23,019 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 117.4MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1036.87ms. Allocated memory is still 172.0MB. Free memory was 113.1MB in the beginning and 127.0MB in the end (delta: -13.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.76ms. Allocated memory is still 172.0MB. Free memory was 127.0MB in the beginning and 123.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.66ms. Allocated memory is still 172.0MB. Free memory was 123.6MB in the beginning and 120.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1675.44ms. Allocated memory is still 172.0MB. Free memory was 120.7MB in the beginning and 104.3MB in the end (delta: 16.4MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5803.08ms. Allocated memory was 172.0MB in the beginning and 408.9MB in the end (delta: 237.0MB). Free memory was 103.2MB in the beginning and 243.2MB in the end (delta: -140.0MB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. * Witness Printer took 153.58ms. Allocated memory is still 408.9MB. Free memory was 243.2MB in the beginning and 238.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 804]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 804]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 76 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 24 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7166occurred 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: 1.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 05:01:23,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b1c66-b7ab-4f7c-b1cf-a75253c105ee/bin/utaipan-verify-YMUCfTKeje/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