./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c8fdf04e21dc87978be420c24093b18a0079e8ae701300012baeffbaef15472 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:05:19,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:05:19,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:05:19,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:05:19,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:05:19,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:05:19,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:05:19,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:05:19,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:05:19,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:05:19,862 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:05:19,862 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:05:19,863 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:05:19,863 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:05:19,863 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:05:19,863 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:05:19,863 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:05:19,863 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:05:19,863 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:05:19,863 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:05:19,864 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:05:19,864 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:05:19,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:05:19,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:05:19,864 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:05:19,864 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:05:19,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:05:19,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:05:19,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:05:19,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:05:19,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:05:19,865 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:05:19,865 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:05:19,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:05:19,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:05:19,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:05:19,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:05:19,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:05:19,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:05:19,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:05:19,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:05:19,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:05:19,866 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:05:19,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:05:19,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:05:19,866 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:05:19,866 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:05:19,867 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) 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 -> 2c8fdf04e21dc87978be420c24093b18a0079e8ae701300012baeffbaef15472 [2024-11-14 05:05:20,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:05:20,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:05:20,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:05:20,252 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:05:20,253 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:05:20,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c Unable to find full path for "g++" [2024-11-14 05:05:22,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:05:22,521 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:05:22,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c [2024-11-14 05:05:22,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/data/f6ac88dd5/529df332004048029650f52686804760/FLAGfa91b8169 [2024-11-14 05:05:22,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/data/f6ac88dd5/529df332004048029650f52686804760 [2024-11-14 05:05:22,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:05:22,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:05:22,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:05:22,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:05:22,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:05:22,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:05:22" (1/1) ... [2024-11-14 05:05:22,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7fd678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22, skipping insertion in model container [2024-11-14 05:05:22,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:05:22" (1/1) ... [2024-11-14 05:05:22,592 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:05:22,778 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c[525,538] [2024-11-14 05:05:22,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:05:22,816 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:05:22,829 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c[525,538] [2024-11-14 05:05:22,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:05:22,863 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:05:22,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22 WrapperNode [2024-11-14 05:05:22,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:05:22,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:05:22,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:05:22,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:05:22,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22" (1/1) ... [2024-11-14 05:05:22,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22" (1/1) ... [2024-11-14 05:05:22,899 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-14 05:05:22,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:05:22,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:05:22,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:05:22,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:05:22,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22" (1/1) ... [2024-11-14 05:05:22,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22" (1/1) ... [2024-11-14 05:05:22,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22" (1/1) ... [2024-11-14 05:05:22,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22" (1/1) ... [2024-11-14 05:05:22,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22" (1/1) ... [2024-11-14 05:05:22,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22" (1/1) ... [2024-11-14 05:05:22,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22" (1/1) ... [2024-11-14 05:05:22,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22" (1/1) ... [2024-11-14 05:05:22,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:05:22,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:05:22,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:05:22,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:05:22,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22" (1/1) ... [2024-11-14 05:05:22,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:05:22,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:05:22,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:05:22,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:05:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:05:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:05:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:05:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:05:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:05:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:05:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 05:05:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 05:05:23,056 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:05:23,058 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:05:23,218 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-14 05:05:23,219 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:05:23,250 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:05:23,250 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:05:23,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:05:23 BoogieIcfgContainer [2024-11-14 05:05:23,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:05:23,254 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:05:23,254 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:05:23,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:05:23,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:05:22" (1/3) ... [2024-11-14 05:05:23,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:05:23, skipping insertion in model container [2024-11-14 05:05:23,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:22" (2/3) ... [2024-11-14 05:05:23,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:05:23, skipping insertion in model container [2024-11-14 05:05:23,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:05:23" (3/3) ... [2024-11-14 05:05:23,263 INFO L112 eAbstractionObserver]: Analyzing ICFG geo2-ll_valuebound100.c [2024-11-14 05:05:23,280 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:05:23,282 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG geo2-ll_valuebound100.c that has 3 procedures, 19 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:05:23,349 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:05:23,364 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;@581c6746, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:05:23,365 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:05:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 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) [2024-11-14 05:05:23,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 05:05:23,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:05:23,380 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:05:23,380 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:05:23,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:05:23,387 INFO L85 PathProgramCache]: Analyzing trace with hash -838031573, now seen corresponding path program 1 times [2024-11-14 05:05:23,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:05:23,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203644631] [2024-11-14 05:05:23,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:05:23,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:05:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:05:23,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433818992] [2024-11-14 05:05:23,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:05:23,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:05:23,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:05:23,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:05:23,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:05:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:05:23,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 05:05:23,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:05:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:05:23,825 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:05:23,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:05:23,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203644631] [2024-11-14 05:05:23,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:05:23,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433818992] [2024-11-14 05:05:23,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433818992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:05:23,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:05:23,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:05:23,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454030972] [2024-11-14 05:05:23,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:05:23,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:05:23,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:05:23,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:05:23,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:05:23,859 INFO L87 Difference]: Start difference. First operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 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) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 05:05:23,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:05:23,991 INFO L93 Difference]: Finished difference Result 40 states and 55 transitions. [2024-11-14 05:05:23,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:05:23,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-11-14 05:05:23,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:05:24,001 INFO L225 Difference]: With dead ends: 40 [2024-11-14 05:05:24,002 INFO L226 Difference]: Without dead ends: 24 [2024-11-14 05:05:24,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:05:24,008 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:05:24,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 51 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:05:24,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-14 05:05:24,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-14 05:05:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 05:05:24,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2024-11-14 05:05:24,060 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 14 [2024-11-14 05:05:24,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:05:24,062 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-11-14 05:05:24,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 05:05:24,064 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-11-14 05:05:24,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-14 05:05:24,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:05:24,066 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:05:24,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:05:24,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 05:05:24,267 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:05:24,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:05:24,267 INFO L85 PathProgramCache]: Analyzing trace with hash -420431113, now seen corresponding path program 1 times [2024-11-14 05:05:24,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:05:24,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880847437] [2024-11-14 05:05:24,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:05:24,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:05:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:05:24,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [695616653] [2024-11-14 05:05:24,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:05:24,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:05:24,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:05:24,330 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:05:24,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 05:05:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:05:24,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 05:05:24,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:05:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 05:05:24,679 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:05:27,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 2 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:05:27,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:05:27,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880847437] [2024-11-14 05:05:27,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:05:27,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695616653] [2024-11-14 05:05:27,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695616653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:05:27,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2002570955] [2024-11-14 05:05:27,126 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-14 05:05:27,127 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:05:27,130 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:05:27,135 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:05:27,135 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:05:28,591 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 37 for LOIs [2024-11-14 05:05:28,717 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 69 for LOIs [2024-11-14 05:05:28,752 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:05:44,469 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '296#(and (= |__VERIFIER_assert_#in~cond| 0) (exists ((|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_13| Int) (|v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_main_~k~0#1_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_19| Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13| Int)) (and (<= 1 |#StackHeapBarrier|) (<= 0 |v_ULTIMATE.start_main_~k~0#1_BEFORE_CALL_11|) (not (= (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_19| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_19| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_13| 18446744073709551615) 1) 18446744073709551616) 0)) (<= 1 |v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_9|) (<= |v_ULTIMATE.start_main_~k~0#1_BEFORE_CALL_11| 100) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_19|) (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_19| 100))))' at error location [2024-11-14 05:05:44,469 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 05:05:44,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 05:05:44,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2024-11-14 05:05:44,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215725367] [2024-11-14 05:05:44,470 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 05:05:44,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 05:05:44,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:05:44,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 05:05:44,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=431, Unknown=5, NotChecked=0, Total=506 [2024-11-14 05:05:44,473 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 6 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-14 05:05:53,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-14 05:06:01,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-14 05:06:03,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-14 05:06:05,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-14 05:06:07,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-14 05:06:09,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-14 05:06:10,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:06:10,019 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2024-11-14 05:06:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 05:06:10,020 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 6 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 21 [2024-11-14 05:06:10,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:06:10,021 INFO L225 Difference]: With dead ends: 42 [2024-11-14 05:06:10,021 INFO L226 Difference]: Without dead ends: 37 [2024-11-14 05:06:10,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 31.3s TimeCoverageRelationStatistics Valid=89, Invalid=551, Unknown=10, NotChecked=0, Total=650 [2024-11-14 05:06:10,022 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 20 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 10 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:06:10,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 81 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 69 Invalid, 6 Unknown, 0 Unchecked, 12.3s Time] [2024-11-14 05:06:10,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-14 05:06:10,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-14 05:06:10,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-14 05:06:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2024-11-14 05:06:10,034 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 21 [2024-11-14 05:06:10,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:06:10,036 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2024-11-14 05:06:10,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 6 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-14 05:06:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2024-11-14 05:06:10,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-14 05:06:10,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:06:10,037 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:06:10,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 05:06:10,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:06:10,239 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:06:10,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:06:10,239 INFO L85 PathProgramCache]: Analyzing trace with hash 502729771, now seen corresponding path program 2 times [2024-11-14 05:06:10,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:06:10,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210095080] [2024-11-14 05:06:10,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:10,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:06:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:06:10,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1857826567] [2024-11-14 05:06:10,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 05:06:10,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:06:10,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:06:10,346 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:06:10,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 05:08:01,354 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-14 05:08:01,354 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 05:08:01,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-14 05:08:01,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:08:27,004 WARN L851 $PredicateComparison]: unable to prove that (or (and (exists ((|v_ULTIMATE.start_main_~y~0#1_24| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| Int) (|v_ULTIMATE.start_main_~x~0#1_24| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 100) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|) (* |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) 1) 18446744073709551616) 0) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27|))) (= |c___VERIFIER_assert_#in~cond| 0)) (= |c___VERIFIER_assert_#in~cond| 1)) is different from false [2024-11-14 05:08:43,178 WARN L851 $PredicateComparison]: unable to prove that (or (and (exists ((|v_ULTIMATE.start_main_~y~0#1_24| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| Int) (|v_ULTIMATE.start_main_~x~0#1_24| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 100) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|) (* |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) 1) 18446744073709551616) 0) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27|))) (= c___VERIFIER_assert_~cond 0)) (= c___VERIFIER_assert_~cond 1)) is different from false [2024-11-14 05:08:59,268 WARN L851 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~y~0#1_24| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| Int) (|v_ULTIMATE.start_main_~x~0#1_24| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 100) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|) (* |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) 1) 18446744073709551616) 0) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27|))) is different from false [2024-11-14 05:09:01,270 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~y~0#1_24| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| Int) (|v_ULTIMATE.start_main_~x~0#1_24| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 100) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|) (* |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) 1) 18446744073709551616) 0) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27|))) is different from true [2024-11-14 05:09:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 1 not checked. [2024-11-14 05:09:01,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:09:23,836 WARN L873 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~y~0#1| Int) (|ULTIMATE.start_main_~x~0#1| Int)) (or (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |ULTIMATE.start_main_~y~0#1|) (* |c_ULTIMATE.start_main_~z~0#1| |ULTIMATE.start_main_~x~0#1|) (* 18446744073709551615 |ULTIMATE.start_main_~x~0#1|) 1) 18446744073709551616) 0)) (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |ULTIMATE.start_main_~y~0#1|) (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |ULTIMATE.start_main_~x~0#1|) |c_ULTIMATE.start_main_~z~0#1| (* 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |ULTIMATE.start_main_~x~0#1|)) 18446744073709551616) 0))) is different from true [2024-11-14 05:09:23,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:09:23,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210095080] [2024-11-14 05:09:23,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:09:23,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857826567] [2024-11-14 05:09:23,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857826567] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:09:23,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1188632658] [2024-11-14 05:09:23,839 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-14 05:09:23,840 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:09:23,840 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:09:23,840 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:09:23,840 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:09:24,367 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 37 for LOIs [2024-11-14 05:09:24,474 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 69 for LOIs [2024-11-14 05:09:24,496 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:09:49,825 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '598#(and (exists ((|v_ULTIMATE.start_main_~k~0#1_BEFORE_CALL_23| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_23| Int) (|v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_18| Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_23| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_40| Int)) (and (<= 1 |#StackHeapBarrier|) (<= 0 |v_ULTIMATE.start_main_~k~0#1_BEFORE_CALL_23|) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_40| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_23|) (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_23|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_40| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_23| 18446744073709551615) 1) 18446744073709551616) 0)) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_40|) (<= 1 |v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_18|) (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_40| 100) (<= |v_ULTIMATE.start_main_~k~0#1_BEFORE_CALL_23| 100))) (= |__VERIFIER_assert_#in~cond| 0))' at error location [2024-11-14 05:09:49,825 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 05:09:49,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:09:49,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-14 05:09:49,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664884142] [2024-11-14 05:09:49,825 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-14 05:09:49,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 05:09:49,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:09:49,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 05:09:49,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=511, Unknown=21, NotChecked=196, Total=812 [2024-11-14 05:09:49,827 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 05:09:52,011 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 [] [2024-11-14 05:09:54,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 05:09:56,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 05:09:58,030 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] [2024-11-14 05:10:00,040 WARN L851 $PredicateComparison]: unable to prove that (and (or (and (exists ((|v_ULTIMATE.start_main_~y~0#1_24| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| Int) (|v_ULTIMATE.start_main_~x~0#1_24| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 100) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|) (* |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) 1) 18446744073709551616) 0) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27|))) (= c___VERIFIER_assert_~cond 0)) (= c___VERIFIER_assert_~cond 1)) (= |c___VERIFIER_assert_#in~cond| c___VERIFIER_assert_~cond)) is different from false [2024-11-14 05:10:09,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 05:10:09,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:10:09,548 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2024-11-14 05:10:09,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 05:10:09,549 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-14 05:10:09,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:10:09,550 INFO L225 Difference]: With dead ends: 40 [2024-11-14 05:10:09,550 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 05:10:09,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 59.7s TimeCoverageRelationStatistics Valid=97, Invalid=601, Unknown=24, NotChecked=270, Total=992 [2024-11-14 05:10:09,551 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 4 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:10:09,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 63 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 5 Unknown, 81 Unchecked, 10.2s Time] [2024-11-14 05:10:09,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 05:10:09,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 05:10:09,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:10:09,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 05:10:09,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2024-11-14 05:10:09,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:10:09,553 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 05:10:09,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 05:10:09,553 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 05:10:09,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 05:10:09,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:10:09,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 05:10:09,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:10:09,759 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1] [2024-11-14 05:10:09,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 05:10:26,047 WARN L286 SmtUtils]: Spent 14.00s on a formula simplification. DAG size of input: 47 DAG size of output: 29 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-14 05:10:38,300 WARN L286 SmtUtils]: Spent 12.25s on a formula simplification. DAG size of input: 47 DAG size of output: 29 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-14 05:11:12,408 WARN L286 SmtUtils]: Spent 34.11s on a formula simplification. DAG size of input: 49 DAG size of output: 4 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-14 05:12:16,652 WARN L286 SmtUtils]: Spent 1.07m on a formula simplification. DAG size of input: 49 DAG size of output: 29 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-14 05:12:16,656 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:12:16,670 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 05:12:16,690 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 05:12:16,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:12:16 BoogieIcfgContainer [2024-11-14 05:12:16,692 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:12:16,693 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:12:16,693 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:12:16,693 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:12:16,694 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:05:23" (3/4) ... [2024-11-14 05:12:16,696 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 05:12:16,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-14 05:12:16,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-14 05:12:16,704 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-14 05:12:16,705 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-14 05:12:16,705 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 05:12:16,705 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 05:12:16,790 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:12:16,790 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 05:12:16,791 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:12:16,792 INFO L158 Benchmark]: Toolchain (without parser) took 414228.58ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 92.2MB in the beginning and 77.8MB in the end (delta: 14.4MB). Peak memory consumption was 105.6MB. Max. memory is 16.1GB. [2024-11-14 05:12:16,792 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:12:16,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.55ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:12:16,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.43ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:12:16,794 INFO L158 Benchmark]: Boogie Preprocessor took 17.65ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 79.1MB in the end (delta: 446.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:12:16,794 INFO L158 Benchmark]: RCFGBuilder took 332.23ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 67.9MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:12:16,794 INFO L158 Benchmark]: TraceAbstraction took 413438.54ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 67.5MB in the beginning and 83.8MB in the end (delta: -16.3MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2024-11-14 05:12:16,795 INFO L158 Benchmark]: Witness Printer took 97.72ms. Allocated memory is still 209.7MB. Free memory was 82.5MB in the beginning and 77.8MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:12:16,800 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.55ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.43ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.65ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 79.1MB in the end (delta: 446.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.23ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 67.9MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 413438.54ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 67.5MB in the beginning and 83.8MB in the end (delta: -16.3MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * Witness Printer took 97.72ms. Allocated memory is still 209.7MB. Free memory was 82.5MB in the beginning and 77.8MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 286.4s, OverallIterations: 3, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 45.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 22.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 195 SdHoareTripleChecker+Invalid, 22.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 81 IncrementalHoareTripleChecker+Unchecked, 158 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 37 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 110 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 91.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=2, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 111.2s SatisfiabilityAnalysisTime, 85.4s InterpolantComputationTime, 154 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 94 ConstructedInterpolants, 5 QuantifiedInterpolants, 624 SizeOfPredicates, 4 NumberOfNonLiveVariables, 193 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 68/74 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (((((x == 1) && (y == 1)) && (z <= 100)) && (0 <= z)) || ((z <= 100) && (0 <= z))) - ProcedureContractResult [Line: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-14 05:12:16,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf70fec-c280-457a-85d0-26ddcef276d0/bin/utaipan-verify-sOmjnqqW8E/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