./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix020.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix020.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E --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 b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:29:59,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:29:59,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 03:29:59,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:29:59,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:29:59,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:29:59,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:29:59,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:29:59,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:29:59,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:29:59,177 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:29:59,178 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:29:59,178 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:29:59,178 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:29:59,178 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:29:59,178 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:29:59,178 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:29:59,179 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:29:59,179 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:29:59,179 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:29:59,179 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:29:59,180 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:29:59,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:29:59,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:29:59,181 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:29:59,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:29:59,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:29:59,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:29:59,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:29:59,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:29:59,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:29:59,182 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:29:59,183 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 03:29:59,183 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:29:59,183 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:29:59,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:29:59,183 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:29:59,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:29:59,183 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:29:59,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:29:59,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:29:59,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:29:59,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:29:59,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:29:59,184 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:29:59,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:29:59,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:29:59,185 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:29:59,185 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:29:59,185 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E 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 -> b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 [2024-11-14 03:29:59,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:29:59,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:29:59,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:29:59,609 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:29:59,609 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:29:59,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-wmm/mix020.opt.i Unable to find full path for "g++" [2024-11-14 03:30:01,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:30:01,976 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:30:01,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/sv-benchmarks/c/pthread-wmm/mix020.opt.i [2024-11-14 03:30:02,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/data/9de1b80bf/219f62fa8b104fb4b8f1df39c15e2aba/FLAG24d88910f [2024-11-14 03:30:02,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/data/9de1b80bf/219f62fa8b104fb4b8f1df39c15e2aba [2024-11-14 03:30:02,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:30:02,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:30:02,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:30:02,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:30:02,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:30:02,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:30:02" (1/1) ... [2024-11-14 03:30:02,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6003cb74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02, skipping insertion in model container [2024-11-14 03:30:02,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:30:02" (1/1) ... [2024-11-14 03:30:02,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:30:02,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:30:02,679 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:30:02,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:30:02,858 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:30:02,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02 WrapperNode [2024-11-14 03:30:02,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:30:02,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:30:02,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:30:02,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:30:02,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02" (1/1) ... [2024-11-14 03:30:02,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02" (1/1) ... [2024-11-14 03:30:02,932 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 156 [2024-11-14 03:30:02,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:30:02,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:30:02,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:30:02,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:30:02,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02" (1/1) ... [2024-11-14 03:30:02,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02" (1/1) ... [2024-11-14 03:30:02,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02" (1/1) ... [2024-11-14 03:30:02,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02" (1/1) ... [2024-11-14 03:30:02,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02" (1/1) ... [2024-11-14 03:30:02,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02" (1/1) ... [2024-11-14 03:30:02,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02" (1/1) ... [2024-11-14 03:30:02,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02" (1/1) ... [2024-11-14 03:30:03,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:30:03,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:30:03,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:30:03,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:30:03,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02" (1/1) ... [2024-11-14 03:30:03,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:30:03,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:30:03,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:30:03,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:30:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 03:30:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:30:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-14 03:30:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-14 03:30:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-14 03:30:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-14 03:30:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-14 03:30:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-14 03:30:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-14 03:30:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-14 03:30:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:30:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 03:30:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:30:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:30:03,114 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 03:30:03,302 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:30:03,304 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:30:03,996 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 03:30:03,996 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:30:04,455 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:30:04,456 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 03:30:04,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:30:04 BoogieIcfgContainer [2024-11-14 03:30:04,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:30:04,460 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:30:04,460 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:30:04,466 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:30:04,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:30:02" (1/3) ... [2024-11-14 03:30:04,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33552ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:30:04, skipping insertion in model container [2024-11-14 03:30:04,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:02" (2/3) ... [2024-11-14 03:30:04,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33552ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:30:04, skipping insertion in model container [2024-11-14 03:30:04,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:30:04" (3/3) ... [2024-11-14 03:30:04,471 INFO L112 eAbstractionObserver]: Analyzing ICFG mix020.opt.i [2024-11-14 03:30:04,495 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:30:04,497 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG mix020.opt.i that has 5 procedures, 52 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-14 03:30:04,497 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 03:30:04,597 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 03:30:04,636 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64 places, 51 transitions, 118 flow [2024-11-14 03:30:07,886 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 52558 states, 52478 states have (on average 4.402511528640574) internal successors, (231035), 52557 states have internal predecessors, (231035), 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) [2024-11-14 03:30:07,923 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:30:07,939 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;@3d9773dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:30:07,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-14 03:30:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 52558 states, 52478 states have (on average 4.402511528640574) internal successors, (231035), 52557 states have internal predecessors, (231035), 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) [2024-11-14 03:30:08,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 03:30:08,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:30:08,080 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:30:08,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 03:30:08,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:30:08,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1824177799, now seen corresponding path program 1 times [2024-11-14 03:30:08,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:30:08,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694593489] [2024-11-14 03:30:08,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:30:08,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:30:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:30:08,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:30:08,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:30:08,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694593489] [2024-11-14 03:30:08,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694593489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:30:08,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:30:08,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 03:30:08,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967581159] [2024-11-14 03:30:08,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:30:08,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:30:08,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:30:08,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:30:08,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:30:08,588 INFO L87 Difference]: Start difference. First operand has 52558 states, 52478 states have (on average 4.402511528640574) internal successors, (231035), 52557 states have internal predecessors, (231035), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-14 03:30:10,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:30:10,842 INFO L93 Difference]: Finished difference Result 70774 states and 293995 transitions. [2024-11-14 03:30:10,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:30:10,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-14 03:30:10,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:30:11,679 INFO L225 Difference]: With dead ends: 70774 [2024-11-14 03:30:11,680 INFO L226 Difference]: Without dead ends: 38112 [2024-11-14 03:30:11,781 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 [2024-11-14 03:30:11,784 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 25 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:30:11,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 28 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:30:11,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38112 states. [2024-11-14 03:30:13,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38112 to 38112. [2024-11-14 03:30:13,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38112 states, 38048 states have (on average 4.240511984861228) internal successors, (161343), 38111 states have internal predecessors, (161343), 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) [2024-11-14 03:30:14,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38112 states to 38112 states and 161343 transitions. [2024-11-14 03:30:14,733 INFO L78 Accepts]: Start accepts. Automaton has 38112 states and 161343 transitions. Word has length 7 [2024-11-14 03:30:14,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:30:14,735 INFO L471 AbstractCegarLoop]: Abstraction has 38112 states and 161343 transitions. [2024-11-14 03:30:14,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-14 03:30:14,737 INFO L276 IsEmpty]: Start isEmpty. Operand 38112 states and 161343 transitions. [2024-11-14 03:30:14,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 03:30:14,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:30:14,754 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:30:14,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:30:14,755 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 03:30:14,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:30:14,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1326825385, now seen corresponding path program 1 times [2024-11-14 03:30:14,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:30:14,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422296570] [2024-11-14 03:30:14,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:30:14,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:30:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:30:15,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:30:15,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:30:15,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422296570] [2024-11-14 03:30:15,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422296570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:30:15,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:30:15,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:30:15,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363191426] [2024-11-14 03:30:15,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:30:15,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:30:15,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:30:15,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:30:15,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:30:15,024 INFO L87 Difference]: Start difference. First operand 38112 states and 161343 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:30:16,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:30:16,120 INFO L93 Difference]: Finished difference Result 38112 states and 161343 transitions. [2024-11-14 03:30:16,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:30:16,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-14 03:30:16,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:30:16,539 INFO L225 Difference]: With dead ends: 38112 [2024-11-14 03:30:16,540 INFO L226 Difference]: Without dead ends: 27774 [2024-11-14 03:30:16,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:30:16,593 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 56 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:30:16,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 56 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:30:17,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27774 states. [2024-11-14 03:30:17,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27774 to 27774. [2024-11-14 03:30:18,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27774 states, 27760 states have (on average 4.244884726224784) internal successors, (117838), 27773 states have internal predecessors, (117838), 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) [2024-11-14 03:30:18,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27774 states to 27774 states and 117838 transitions. [2024-11-14 03:30:18,588 INFO L78 Accepts]: Start accepts. Automaton has 27774 states and 117838 transitions. Word has length 14 [2024-11-14 03:30:18,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:30:18,589 INFO L471 AbstractCegarLoop]: Abstraction has 27774 states and 117838 transitions. [2024-11-14 03:30:18,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:30:18,590 INFO L276 IsEmpty]: Start isEmpty. Operand 27774 states and 117838 transitions. [2024-11-14 03:30:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 03:30:18,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:30:18,598 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:30:18,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:30:18,598 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 03:30:18,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:30:18,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1326825384, now seen corresponding path program 1 times [2024-11-14 03:30:18,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:30:18,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545792460] [2024-11-14 03:30:18,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:30:18,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:30:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:30:18,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:30:18,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:30:18,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545792460] [2024-11-14 03:30:18,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545792460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:30:18,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:30:18,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:30:18,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051633030] [2024-11-14 03:30:18,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:30:18,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:30:18,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:30:18,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:30:18,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:30:18,776 INFO L87 Difference]: Start difference. First operand 27774 states and 117838 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:30:19,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:30:19,262 INFO L93 Difference]: Finished difference Result 29954 states and 124102 transitions. [2024-11-14 03:30:19,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:30:19,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-14 03:30:19,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:30:19,464 INFO L225 Difference]: With dead ends: 29954 [2024-11-14 03:30:19,465 INFO L226 Difference]: Without dead ends: 22076 [2024-11-14 03:30:19,496 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 [2024-11-14 03:30:19,499 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 71 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:30:19,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 42 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:30:19,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22076 states. [2024-11-14 03:30:20,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22076 to 22076. [2024-11-14 03:30:20,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22076 states, 22066 states have (on average 4.2209281247167585) internal successors, (93139), 22075 states have internal predecessors, (93139), 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) [2024-11-14 03:30:20,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22076 states to 22076 states and 93139 transitions. [2024-11-14 03:30:20,698 INFO L78 Accepts]: Start accepts. Automaton has 22076 states and 93139 transitions. Word has length 14 [2024-11-14 03:30:20,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:30:20,699 INFO L471 AbstractCegarLoop]: Abstraction has 22076 states and 93139 transitions. [2024-11-14 03:30:20,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:30:20,701 INFO L276 IsEmpty]: Start isEmpty. Operand 22076 states and 93139 transitions. [2024-11-14 03:30:20,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-14 03:30:20,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:30:20,737 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] [2024-11-14 03:30:20,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:30:20,737 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 03:30:20,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:30:20,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1071999451, now seen corresponding path program 1 times [2024-11-14 03:30:20,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:30:20,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811321852] [2024-11-14 03:30:20,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:30:20,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:30:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:30:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:30:21,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:30:21,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811321852] [2024-11-14 03:30:21,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811321852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:30:21,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:30:21,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:30:21,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270437552] [2024-11-14 03:30:21,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:30:21,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:30:21,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:30:21,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:30:21,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:30:21,077 INFO L87 Difference]: Start difference. First operand 22076 states and 93139 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-14 03:30:21,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:30:21,897 INFO L93 Difference]: Finished difference Result 22300 states and 93667 transitions. [2024-11-14 03:30:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:30:21,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2024-11-14 03:30:21,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:30:22,088 INFO L225 Difference]: With dead ends: 22300 [2024-11-14 03:30:22,089 INFO L226 Difference]: Without dead ends: 20120 [2024-11-14 03:30:22,102 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 [2024-11-14 03:30:22,103 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 77 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:30:22,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 56 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:30:22,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20120 states. [2024-11-14 03:30:22,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20120 to 20120. [2024-11-14 03:30:22,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20120 states, 20116 states have (on average 4.25606482402068) internal successors, (85615), 20119 states have internal predecessors, (85615), 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) [2024-11-14 03:30:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20120 states to 20120 states and 85615 transitions. [2024-11-14 03:30:22,992 INFO L78 Accepts]: Start accepts. Automaton has 20120 states and 85615 transitions. Word has length 21 [2024-11-14 03:30:22,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:30:22,993 INFO L471 AbstractCegarLoop]: Abstraction has 20120 states and 85615 transitions. [2024-11-14 03:30:22,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-14 03:30:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 20120 states and 85615 transitions. [2024-11-14 03:30:23,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-14 03:30:23,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:30:23,095 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, 1, 1, 1, 1, 1] [2024-11-14 03:30:23,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 03:30:23,096 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 03:30:23,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:30:23,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1803283475, now seen corresponding path program 1 times [2024-11-14 03:30:23,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:30:23,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49950190] [2024-11-14 03:30:23,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:30:23,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:30:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:30:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:30:23,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:30:23,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49950190] [2024-11-14 03:30:23,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49950190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:30:23,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:30:23,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:30:23,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530817379] [2024-11-14 03:30:23,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:30:23,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:30:23,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:30:23,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:30:23,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:30:23,894 INFO L87 Difference]: Start difference. First operand 20120 states and 85615 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-11-14 03:30:24,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:30:24,325 INFO L93 Difference]: Finished difference Result 20120 states and 85615 transitions. [2024-11-14 03:30:24,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:30:24,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 29 [2024-11-14 03:30:24,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:30:24,377 INFO L225 Difference]: With dead ends: 20120 [2024-11-14 03:30:24,377 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 03:30:24,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:30:24,413 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 122 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:30:24,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 56 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:30:24,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 03:30:24,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 03:30:24,415 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) [2024-11-14 03:30:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 03:30:24,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2024-11-14 03:30:24,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:30:24,455 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 03:30:24,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-11-14 03:30:24,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 03:30:24,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 03:30:24,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-14 03:30:24,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-14 03:30:24,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-14 03:30:24,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-14 03:30:24,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-14 03:30:24,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-14 03:30:24,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-14 03:30:24,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-14 03:30:24,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-14 03:30:24,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-14 03:30:24,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-14 03:30:24,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-14 03:30:24,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-14 03:30:24,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-14 03:30:24,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-14 03:30:24,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-14 03:30:24,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-14 03:30:24,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-14 03:30:24,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-14 03:30:24,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-14 03:30:24,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 03:30:24,467 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-14 03:30:24,473 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 03:30:24,473 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:30:24,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:30:24 BasicIcfg [2024-11-14 03:30:24,477 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:30:24,478 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:30:24,478 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:30:24,478 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:30:24,479 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:30:04" (3/4) ... [2024-11-14 03:30:24,480 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 03:30:24,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-14 03:30:24,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-14 03:30:24,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-14 03:30:24,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-14 03:30:24,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2024-11-14 03:30:24,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-14 03:30:24,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-14 03:30:24,491 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-14 03:30:24,578 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 03:30:24,578 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 03:30:24,578 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:30:24,579 INFO L158 Benchmark]: Toolchain (without parser) took 22556.07ms. Allocated memory was 142.6MB in the beginning and 9.3GB in the end (delta: 9.1GB). Free memory was 117.6MB in the beginning and 8.1GB in the end (delta: -8.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-14 03:30:24,579 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:30:24,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 836.45ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 93.5MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 03:30:24,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.93ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 90.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:30:24,580 INFO L158 Benchmark]: Boogie Preprocessor took 69.15ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 89.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:30:24,581 INFO L158 Benchmark]: RCFGBuilder took 1451.02ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 80.3MB in the end (delta: 8.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-11-14 03:30:24,581 INFO L158 Benchmark]: TraceAbstraction took 20017.22ms. Allocated memory was 142.6MB in the beginning and 9.3GB in the end (delta: 9.1GB). Free memory was 79.7MB in the beginning and 8.1GB in the end (delta: -8.0GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-14 03:30:24,581 INFO L158 Benchmark]: Witness Printer took 100.65ms. Allocated memory is still 9.3GB. Free memory was 8.1GB in the beginning and 8.1GB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:30:24,583 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 836.45ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 93.5MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.93ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 90.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.15ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 89.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1451.02ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 80.3MB in the end (delta: 8.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * TraceAbstraction took 20017.22ms. Allocated memory was 142.6MB in the beginning and 9.3GB in the end (delta: 9.1GB). Free memory was 79.7MB in the beginning and 8.1GB in the end (delta: -8.0GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 100.65ms. Allocated memory is still 9.3GB. Free memory was 8.1GB in the beginning and 8.1GB in the end (delta: 4.2MB). There was no memory consumed. 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: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 849]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 849]: 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 9 procedures, 93 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 19.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 351 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 351 mSDsluCounter, 238 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 429 IncrementalHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 84 mSDtfsCounter, 429 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52558occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 03:30:24,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df2fd5f-41a3-4ee5-a299-5156a140740d/bin/utaipan-verify-sOmjnqqW8E/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