./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a 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_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2 --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 4d98b743606513f831b0c11a7a0f14d9c6aeb2efbb7fa03be80b69c46d40fb39 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:38:41,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:38:41,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-02 12:38:41,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:38:41,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:38:41,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:38:41,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:38:41,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:38:41,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:38:41,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:38:41,631 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:38:41,631 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:38:41,631 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:38:41,634 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:38:41,634 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:38:41,635 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:38:41,635 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:38:41,635 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:38:41,636 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:38:41,636 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:38:41,636 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:38:41,641 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:38:41,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:38:41,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:38:41,642 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:38:41,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:38:41,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:38:41,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:38:41,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:38:41,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:38:41,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:38:41,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:38:41,644 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-02 12:38:41,645 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:38:41,645 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:38:41,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:38:41,646 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:38:41,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:38:41,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:38:41,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:38:41,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:38:41,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:38:41,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:38:41,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:38:41,649 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:38:41,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:38:41,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:38:41,649 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:38:41,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:38:41,650 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_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d98b743606513f831b0c11a7a0f14d9c6aeb2efbb7fa03be80b69c46d40fb39 [2024-11-02 12:38:41,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:38:42,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:38:42,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:38:42,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:38:42,013 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:38:42,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c Unable to find full path for "g++" [2024-11-02 12:38:44,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:38:44,242 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:38:44,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c [2024-11-02 12:38:44,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/data/2f99f2707/70338ee6fb814e8c87d220a62ba0211a/FLAG49f43109a [2024-11-02 12:38:44,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/data/2f99f2707/70338ee6fb814e8c87d220a62ba0211a [2024-11-02 12:38:44,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:38:44,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:38:44,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:38:44,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:38:44,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:38:44,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:38:44" (1/1) ... [2024-11-02 12:38:44,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41567b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44, skipping insertion in model container [2024-11-02 12:38:44,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:38:44" (1/1) ... [2024-11-02 12:38:44,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:38:44,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:38:44,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:38:44,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:38:44,553 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:38:44,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44 WrapperNode [2024-11-02 12:38:44,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:38:44,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:38:44,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:38:44,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:38:44,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44" (1/1) ... [2024-11-02 12:38:44,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44" (1/1) ... [2024-11-02 12:38:44,596 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2024-11-02 12:38:44,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:38:44,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:38:44,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:38:44,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:38:44,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44" (1/1) ... [2024-11-02 12:38:44,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44" (1/1) ... [2024-11-02 12:38:44,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44" (1/1) ... [2024-11-02 12:38:44,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44" (1/1) ... [2024-11-02 12:38:44,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44" (1/1) ... [2024-11-02 12:38:44,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44" (1/1) ... [2024-11-02 12:38:44,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44" (1/1) ... [2024-11-02 12:38:44,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44" (1/1) ... [2024-11-02 12:38:44,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:38:44,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:38:44,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:38:44,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:38:44,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44" (1/1) ... [2024-11-02 12:38:44,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:38:44,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:38:44,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:38:44,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:38:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:38:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:38:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:38:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:38:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:38:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:38:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:38:44,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:38:44,767 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:38:44,769 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:38:45,272 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-02 12:38:45,272 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:38:45,313 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:38:45,313 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:38:45,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:38:45 BoogieIcfgContainer [2024-11-02 12:38:45,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:38:45,317 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:38:45,317 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:38:45,321 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:38:45,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:38:44" (1/3) ... [2024-11-02 12:38:45,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217538b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:38:45, skipping insertion in model container [2024-11-02 12:38:45,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:44" (2/3) ... [2024-11-02 12:38:45,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217538b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:38:45, skipping insertion in model container [2024-11-02 12:38:45,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:38:45" (3/3) ... [2024-11-02 12:38:45,326 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound1.c [2024-11-02 12:38:45,348 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:38:45,349 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-02 12:38:45,422 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:38:45,428 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;@20822ba6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:38:45,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-02 12:38:45,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 39 states have (on average 1.8205128205128205) internal successors, (71), 69 states have internal predecessors, (71), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:38:45,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-02 12:38:45,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:45,440 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:45,441 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-02 12:38:45,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:45,446 INFO L85 PathProgramCache]: Analyzing trace with hash -694885911, now seen corresponding path program 1 times [2024-11-02 12:38:45,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:45,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696051868] [2024-11-02 12:38:45,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:45,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:38:45,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [729831291] [2024-11-02 12:38:45,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:45,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:38:45,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:38:45,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:38:45,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:38:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:38:45,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-02 12:38:45,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:38:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-02 12:38:45,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:38:46,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:38:46,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696051868] [2024-11-02 12:38:46,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-02 12:38:46,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729831291] [2024-11-02 12:38:46,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729831291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:38:46,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2010240155] [2024-11-02 12:38:46,127 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2024-11-02 12:38:46,127 INFO L166 IcfgInterpreter]: Building call graph [2024-11-02 12:38:46,132 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-02 12:38:46,137 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-02 12:38:46,137 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-02 12:38:46,767 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-02 12:38:46,770 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-02 12:38:47,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2010240155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:38:47,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 12:38:47,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 13 [2024-11-02 12:38:47,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894355124] [2024-11-02 12:38:47,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:38:47,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-02 12:38:47,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:38:47,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-02 12:38:47,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2024-11-02 12:38:47,424 INFO L87 Difference]: Start difference. First operand has 77 states, 39 states have (on average 1.8205128205128205) internal successors, (71), 69 states have internal predecessors, (71), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 11 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-02 12:38:47,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:38:47,745 INFO L93 Difference]: Finished difference Result 119 states and 131 transitions. [2024-11-02 12:38:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-02 12:38:47,749 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 14 [2024-11-02 12:38:47,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:38:47,757 INFO L225 Difference]: With dead ends: 119 [2024-11-02 12:38:47,758 INFO L226 Difference]: Without dead ends: 50 [2024-11-02 12:38:47,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2024-11-02 12:38:47,770 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 68 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:38:47,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 27 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 12:38:47,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-02 12:38:47,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-02 12:38:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 43 states have internal predecessors, (43), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-02 12:38:47,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2024-11-02 12:38:47,829 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 14 [2024-11-02 12:38:47,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:38:47,831 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2024-11-02 12:38:47,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-02 12:38:47,832 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2024-11-02 12:38:47,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-02 12:38:47,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:47,835 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:47,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-02 12:38:48,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:38:48,037 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-02 12:38:48,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:48,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1928715287, now seen corresponding path program 1 times [2024-11-02 12:38:48,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:48,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943951952] [2024-11-02 12:38:48,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:48,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:38:48,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [706251750] [2024-11-02 12:38:48,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:48,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:38:48,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:38:48,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:38:48,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-02 12:38:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:38:48,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:38:48,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:38:48,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-02 12:38:48,490 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:38:48,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:38:48,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943951952] [2024-11-02 12:38:48,490 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-02 12:38:48,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706251750] [2024-11-02 12:38:48,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706251750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:38:48,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:38:48,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:38:48,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933803113] [2024-11-02 12:38:48,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:38:48,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:38:48,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:38:48,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:38:48,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:38:48,494 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-02 12:38:48,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:38:48,836 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2024-11-02 12:38:48,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:38:48,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-11-02 12:38:48,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:38:48,839 INFO L225 Difference]: With dead ends: 50 [2024-11-02 12:38:48,839 INFO L226 Difference]: Without dead ends: 48 [2024-11-02 12:38:48,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:38:48,841 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 42 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:38:48,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 41 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 12:38:48,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-02 12:38:48,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-02 12:38:48,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 41 states have internal predecessors, (41), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-02 12:38:48,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2024-11-02 12:38:48,860 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 23 [2024-11-02 12:38:48,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:38:48,861 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2024-11-02 12:38:48,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-02 12:38:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2024-11-02 12:38:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-02 12:38:48,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:48,865 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:48,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-02 12:38:49,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:38:49,067 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-02 12:38:49,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:49,071 INFO L85 PathProgramCache]: Analyzing trace with hash 339368314, now seen corresponding path program 1 times [2024-11-02 12:38:49,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:49,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196934430] [2024-11-02 12:38:49,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:49,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:38:49,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1965926987] [2024-11-02 12:38:49,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:49,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:38:49,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:38:49,101 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:38:49,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-02 12:38:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:38:49,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:38:49,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:38:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-02 12:38:51,526 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:38:51,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:38:51,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196934430] [2024-11-02 12:38:51,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-02 12:38:51,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965926987] [2024-11-02 12:38:51,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965926987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:38:51,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:38:51,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:38:51,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036311921] [2024-11-02 12:38:51,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:38:51,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:38:51,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:38:51,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:38:51,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-02 12:38:51,530 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-02 12:38:53,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-02 12:38:55,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-02 12:38:55,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:38:55,604 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2024-11-02 12:38:55,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:38:55,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-11-02 12:38:55,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:38:55,606 INFO L225 Difference]: With dead ends: 48 [2024-11-02 12:38:55,606 INFO L226 Difference]: Without dead ends: 46 [2024-11-02 12:38:55,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-02 12:38:55,607 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 19 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:38:55,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 51 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2024-11-02 12:38:55,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-02 12:38:55,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-02 12:38:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3) internal successors, (39), 39 states have internal predecessors, (39), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-02 12:38:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2024-11-02 12:38:55,618 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 24 [2024-11-02 12:38:55,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:38:55,619 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2024-11-02 12:38:55,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-02 12:38:55,620 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2024-11-02 12:38:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-02 12:38:55,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:55,621 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:55,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-02 12:38:55,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:38:55,822 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-02 12:38:55,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:55,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1930483211, now seen corresponding path program 1 times [2024-11-02 12:38:55,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:55,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527515470] [2024-11-02 12:38:55,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:55,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:38:55,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2122856915] [2024-11-02 12:38:55,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:55,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:38:55,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:38:55,856 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:38:55,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-02 12:38:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:38:55,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-02 12:38:55,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:38:56,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-02 12:38:56,058 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:38:56,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:38:56,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527515470] [2024-11-02 12:38:56,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-02 12:38:56,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122856915] [2024-11-02 12:38:56,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122856915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:38:56,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:38:56,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:38:56,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981545220] [2024-11-02 12:38:56,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:38:56,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:38:56,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:38:56,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:38:56,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:38:56,064 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-02 12:38:56,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:38:56,172 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2024-11-02 12:38:56,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:38:56,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-02 12:38:56,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:38:56,174 INFO L225 Difference]: With dead ends: 46 [2024-11-02 12:38:56,174 INFO L226 Difference]: Without dead ends: 38 [2024-11-02 12:38:56,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:38:56,176 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 12 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:38:56,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 29 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:38:56,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-02 12:38:56,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-02 12:38:56,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 31 states have internal predecessors, (31), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-02 12:38:56,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2024-11-02 12:38:56,185 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 25 [2024-11-02 12:38:56,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:38:56,185 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2024-11-02 12:38:56,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-02 12:38:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2024-11-02 12:38:56,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-02 12:38:56,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:56,187 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:56,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-02 12:38:56,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:38:56,391 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-02 12:38:56,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:56,392 INFO L85 PathProgramCache]: Analyzing trace with hash 605448546, now seen corresponding path program 1 times [2024-11-02 12:38:56,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:56,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051115332] [2024-11-02 12:38:56,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:56,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:38:56,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-02 12:38:56,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:38:56,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051115332] [2024-11-02 12:38:56,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051115332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:38:56,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:38:56,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:38:56,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347057550] [2024-11-02 12:38:56,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:38:56,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:38:56,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:38:56,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:38:56,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:38:56,499 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-02 12:38:56,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:38:56,629 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2024-11-02 12:38:56,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:38:56,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2024-11-02 12:38:56,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:38:56,631 INFO L225 Difference]: With dead ends: 38 [2024-11-02 12:38:56,631 INFO L226 Difference]: Without dead ends: 37 [2024-11-02 12:38:56,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:38:56,632 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 5 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:38:56,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 28 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:38:56,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-02 12:38:56,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-02 12:38:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 30 states have internal predecessors, (30), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-02 12:38:56,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2024-11-02 12:38:56,641 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 31 [2024-11-02 12:38:56,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:38:56,642 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2024-11-02 12:38:56,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-02 12:38:56,642 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2024-11-02 12:38:56,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-02 12:38:56,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:56,643 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:56,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-02 12:38:56,644 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-02 12:38:56,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:56,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1589035842, now seen corresponding path program 1 times [2024-11-02 12:38:56,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:56,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827315036] [2024-11-02 12:38:56,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:56,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:38:56,830 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-02 12:38:56,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:38:56,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827315036] [2024-11-02 12:38:56,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827315036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:38:56,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:38:56,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:38:56,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152893988] [2024-11-02 12:38:56,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:38:56,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:38:56,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:38:56,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:38:56,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:38:56,833 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-02 12:38:57,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:38:57,045 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2024-11-02 12:38:57,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:38:57,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2024-11-02 12:38:57,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:38:57,046 INFO L225 Difference]: With dead ends: 37 [2024-11-02 12:38:57,046 INFO L226 Difference]: Without dead ends: 36 [2024-11-02 12:38:57,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:38:57,048 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:38:57,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 29 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:38:57,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-02 12:38:57,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-02 12:38:57,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 29 states have internal predecessors, (29), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-02 12:38:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2024-11-02 12:38:57,057 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 32 [2024-11-02 12:38:57,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:38:57,057 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-11-02 12:38:57,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-02 12:38:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2024-11-02 12:38:57,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-02 12:38:57,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:57,059 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:57,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-02 12:38:57,059 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-02 12:38:57,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:57,060 INFO L85 PathProgramCache]: Analyzing trace with hash 2015470948, now seen corresponding path program 1 times [2024-11-02 12:38:57,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:57,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458043362] [2024-11-02 12:38:57,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:57,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:38:57,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-02 12:38:57,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:38:57,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458043362] [2024-11-02 12:38:57,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458043362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:38:57,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:38:57,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:38:57,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260653662] [2024-11-02 12:38:57,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:38:57,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:38:57,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:38:57,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:38:57,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:38:57,122 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-02 12:38:57,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:38:57,237 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2024-11-02 12:38:57,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:38:57,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2024-11-02 12:38:57,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:38:57,238 INFO L225 Difference]: With dead ends: 36 [2024-11-02 12:38:57,238 INFO L226 Difference]: Without dead ends: 35 [2024-11-02 12:38:57,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:38:57,239 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 3 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:38:57,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 30 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:38:57,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-02 12:38:57,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-02 12:38:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 28 states have internal predecessors, (28), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-02 12:38:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2024-11-02 12:38:57,248 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 33 [2024-11-02 12:38:57,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:38:57,248 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-11-02 12:38:57,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-02 12:38:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2024-11-02 12:38:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-02 12:38:57,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:57,249 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:57,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-02 12:38:57,250 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-02 12:38:57,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:57,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1944909948, now seen corresponding path program 1 times [2024-11-02 12:38:57,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:57,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450338405] [2024-11-02 12:38:57,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:57,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:38:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-02 12:38:57,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:38:57,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450338405] [2024-11-02 12:38:57,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450338405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:38:57,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:38:57,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:38:57,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123583164] [2024-11-02 12:38:57,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:38:57,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:38:57,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:38:57,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:38:57,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:38:57,306 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-02 12:38:57,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:38:57,370 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2024-11-02 12:38:57,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:38:57,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2024-11-02 12:38:57,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:38:57,372 INFO L225 Difference]: With dead ends: 35 [2024-11-02 12:38:57,372 INFO L226 Difference]: Without dead ends: 34 [2024-11-02 12:38:57,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:38:57,373 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:38:57,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 31 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:38:57,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-02 12:38:57,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-02 12:38:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 27 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-02 12:38:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2024-11-02 12:38:57,382 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 34 [2024-11-02 12:38:57,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:38:57,382 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2024-11-02 12:38:57,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-02 12:38:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-11-02 12:38:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-02 12:38:57,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:57,383 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:57,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-02 12:38:57,384 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-02 12:38:57,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:57,384 INFO L85 PathProgramCache]: Analyzing trace with hash -162666138, now seen corresponding path program 1 times [2024-11-02 12:38:57,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:57,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216673424] [2024-11-02 12:38:57,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:57,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:38:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-02 12:38:57,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:38:57,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216673424] [2024-11-02 12:38:57,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216673424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:38:57,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:38:57,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:38:57,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750408380] [2024-11-02 12:38:57,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:38:57,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:38:57,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:38:57,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:38:57,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:38:57,470 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-02 12:38:57,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:38:57,513 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2024-11-02 12:38:57,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:38:57,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2024-11-02 12:38:57,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:38:57,515 INFO L225 Difference]: With dead ends: 34 [2024-11-02 12:38:57,515 INFO L226 Difference]: Without dead ends: 33 [2024-11-02 12:38:57,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:38:57,516 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:38:57,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 31 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:38:57,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-02 12:38:57,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-02 12:38:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 26 states have (on average 1.0) internal successors, (26), 26 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-02 12:38:57,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2024-11-02 12:38:57,524 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 35 [2024-11-02 12:38:57,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:38:57,525 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2024-11-02 12:38:57,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-02 12:38:57,525 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2024-11-02 12:38:57,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-02 12:38:57,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:57,526 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:57,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-02 12:38:57,527 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-02 12:38:57,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:57,527 INFO L85 PathProgramCache]: Analyzing trace with hash -747682874, now seen corresponding path program 1 times [2024-11-02 12:38:57,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:57,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320023791] [2024-11-02 12:38:57,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:57,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:38:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-02 12:38:57,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:38:57,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320023791] [2024-11-02 12:38:57,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320023791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:38:57,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:38:57,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:38:57,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664310819] [2024-11-02 12:38:57,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:38:57,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:38:57,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:38:57,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:38:57,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:38:57,576 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-02 12:38:57,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:38:57,674 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2024-11-02 12:38:57,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:38:57,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2024-11-02 12:38:57,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:38:57,676 INFO L225 Difference]: With dead ends: 33 [2024-11-02 12:38:57,676 INFO L226 Difference]: Without dead ends: 0 [2024-11-02 12:38:57,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:38:57,678 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:38:57,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:38:57,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-02 12:38:57,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-02 12:38:57,680 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) [2024-11-02 12:38:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-02 12:38:57,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2024-11-02 12:38:57,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:38:57,680 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-02 12:38:57,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-02 12:38:57,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-02 12:38:57,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-02 12:38:57,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2024-11-02 12:38:57,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2024-11-02 12:38:57,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2024-11-02 12:38:57,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2024-11-02 12:38:57,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2024-11-02 12:38:57,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2024-11-02 12:38:57,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2024-11-02 12:38:57,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2024-11-02 12:38:57,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2024-11-02 12:38:57,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2024-11-02 12:38:57,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2024-11-02 12:38:57,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2024-11-02 12:38:57,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2024-11-02 12:38:57,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2024-11-02 12:38:57,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2024-11-02 12:38:57,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2024-11-02 12:38:57,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2024-11-02 12:38:57,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2024-11-02 12:38:57,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2024-11-02 12:38:57,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2024-11-02 12:38:57,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2024-11-02 12:38:57,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2024-11-02 12:38:57,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2024-11-02 12:38:57,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2024-11-02 12:38:57,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2024-11-02 12:38:57,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2024-11-02 12:38:57,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2024-11-02 12:38:57,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2024-11-02 12:38:57,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2024-11-02 12:38:57,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2024-11-02 12:38:57,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-02 12:38:57,698 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:57,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-02 12:38:58,216 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:38:58,231 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-02 12:38:58,232 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-02 12:38:58,232 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-02 12:38:58,233 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-02 12:38:58,233 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-02 12:38:58,233 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-02 12:38:58,233 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-02 12:38:58,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-02 12:38:58,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-02 12:38:58,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-02 12:38:58,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-02 12:38:58,235 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-02 12:38:58,235 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-02 12:38:58,235 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-02 12:38:58,235 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-02 12:38:58,235 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-02 12:38:58,236 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-02 12:38:58,236 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-02 12:38:58,236 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-02 12:38:58,236 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-02 12:38:58,236 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-02 12:38:58,244 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-02 12:38:58,245 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-02 12:38:58,248 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-02 12:38:58,248 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-02 12:38:58,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:38:58 BoogieIcfgContainer [2024-11-02 12:38:58,249 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:38:58,250 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:38:58,250 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:38:58,250 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:38:58,250 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:38:45" (3/4) ... [2024-11-02 12:38:58,253 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 12:38:58,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-02 12:38:58,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-02 12:38:58,261 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-02 12:38:58,262 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-02 12:38:58,262 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-02 12:38:58,262 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-02 12:38:58,353 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:38:58,356 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 12:38:58,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:38:58,357 INFO L158 Benchmark]: Toolchain (without parser) took 14088.74ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 101.8MB in the beginning and 69.9MB in the end (delta: 32.0MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2024-11-02 12:38:58,358 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:38:58,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.82ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 89.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 12:38:58,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.47ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:38:58,359 INFO L158 Benchmark]: Boogie Preprocessor took 22.20ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 86.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:38:58,359 INFO L158 Benchmark]: RCFGBuilder took 693.95ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 67.7MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-02 12:38:58,359 INFO L158 Benchmark]: TraceAbstraction took 12932.46ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 67.1MB in the beginning and 75.1MB in the end (delta: -8.1MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-02 12:38:58,360 INFO L158 Benchmark]: Witness Printer took 107.28ms. Allocated memory is still 172.0MB. Free memory was 75.1MB in the beginning and 69.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:38:58,361 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.82ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 89.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.47ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.20ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 86.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 693.95ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 67.7MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12932.46ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 67.1MB in the beginning and 75.1MB in the end (delta: -8.1MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Witness Printer took 107.28ms. Allocated memory is still 172.0MB. Free memory was 75.1MB in the beginning and 69.9MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier * 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: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 77 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 156 mSDsluCounter, 329 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 134 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 466 IncrementalHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 195 mSDtfsCounter, 466 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 277 ConstructedInterpolants, 17 QuantifiedInterpolants, 1196 SizeOfPredicates, 4 NumberOfNonLiveVariables, 244 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 58/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 0.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 12, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 7, TOOLS_POST_TIME: 0.1s, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 22, TOOLS_QUANTIFIERELIM_TIME: 0.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 31, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 107, DAG_COMPRESSION_RETAINED_NODES: 34, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((((0 <= k) && (k <= 1)) && (c == 1)) && (a <= 1)) && (z <= 1)) && (y == 1)) && (0 <= a)) && (a == x)) && (az == ((long long) a * z))) && (0 <= z)) - ProcedureContractResult [Line: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-02 12:38:58,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d8d821-bbeb-436e-966f-42f0ed124073/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE