./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91 --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 21a1125ae0cc2adce78274abe3bb5e8e98d6a4c7db57dc682e7d7594a508e739 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:09:07,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:09:08,088 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:09:08,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:09:08,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:09:08,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:09:08,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:09:08,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:09:08,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:09:08,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:09:08,153 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:09:08,154 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:09:08,155 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:09:08,156 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:09:08,157 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:09:08,157 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:09:08,158 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:09:08,159 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:09:08,159 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:09:08,160 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:09:08,160 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:09:08,161 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:09:08,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:09:08,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:09:08,163 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:09:08,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:09:08,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:09:08,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:09:08,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:09:08,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:09:08,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:09:08,168 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:09:08,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:09:08,169 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:09:08,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:09:08,170 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:09:08,170 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:09:08,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:09:08,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:09:08,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:09:08,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:09:08,173 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:09:08,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:09:08,173 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:09:08,174 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:09:08,174 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:09:08,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:09:08,175 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_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21a1125ae0cc2adce78274abe3bb5e8e98d6a4c7db57dc682e7d7594a508e739 [2023-11-25 00:09:08,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:09:08,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:09:08,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:09:08,559 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:09:08,559 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:09:08,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-1.i [2023-11-25 00:09:11,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:09:12,142 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:09:12,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-1.i [2023-11-25 00:09:12,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/data/e29e05889/0cd92e0aad534642b258ac9c824c0ff2/FLAG73dba95f7 [2023-11-25 00:09:12,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/data/e29e05889/0cd92e0aad534642b258ac9c824c0ff2 [2023-11-25 00:09:12,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:09:12,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:09:12,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:09:12,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:09:12,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:09:12,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:09:12" (1/1) ... [2023-11-25 00:09:12,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a439a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12, skipping insertion in model container [2023-11-25 00:09:12,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:09:12" (1/1) ... [2023-11-25 00:09:12,260 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:09:12,451 WARN L240 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_c1c70271-3880-465f-8e7a-428713828d31/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-1.i[915,928] [2023-11-25 00:09:12,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:09:12,533 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:09:12,545 WARN L240 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_c1c70271-3880-465f-8e7a-428713828d31/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-1.i[915,928] [2023-11-25 00:09:12,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:09:12,591 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:09:12,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12 WrapperNode [2023-11-25 00:09:12,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:09:12,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:09:12,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:09:12,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:09:12,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12" (1/1) ... [2023-11-25 00:09:12,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12" (1/1) ... [2023-11-25 00:09:12,647 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2023-11-25 00:09:12,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:09:12,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:09:12,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:09:12,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:09:12,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12" (1/1) ... [2023-11-25 00:09:12,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12" (1/1) ... [2023-11-25 00:09:12,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12" (1/1) ... [2023-11-25 00:09:12,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12" (1/1) ... [2023-11-25 00:09:12,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12" (1/1) ... [2023-11-25 00:09:12,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12" (1/1) ... [2023-11-25 00:09:12,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12" (1/1) ... [2023-11-25 00:09:12,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12" (1/1) ... [2023-11-25 00:09:12,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:09:12,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:09:12,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:09:12,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:09:12,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12" (1/1) ... [2023-11-25 00:09:12,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:09:12,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:09:12,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:09:12,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:09:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:09:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:09:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:09:12,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:09:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:09:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:09:12,865 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:09:12,868 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:09:13,226 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:09:13,475 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:09:13,475 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:09:13,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:09:13 BoogieIcfgContainer [2023-11-25 00:09:13,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:09:13,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:09:13,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:09:13,488 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:09:13,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:09:12" (1/3) ... [2023-11-25 00:09:13,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18463833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:09:13, skipping insertion in model container [2023-11-25 00:09:13,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:12" (2/3) ... [2023-11-25 00:09:13,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18463833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:09:13, skipping insertion in model container [2023-11-25 00:09:13,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:09:13" (3/3) ... [2023-11-25 00:09:13,496 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-1.i [2023-11-25 00:09:13,525 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:09:13,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:09:13,594 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:09:13,603 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c2d13a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:09:13,603 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:09:13,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-25 00:09:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-25 00:09:13,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:13,626 INFO L195 NwaCegarLoop]: trace histogram [17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:13,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:13,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:13,637 INFO L85 PathProgramCache]: Analyzing trace with hash 607694894, now seen corresponding path program 1 times [2023-11-25 00:09:13,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:09:13,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803629587] [2023-11-25 00:09:13,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:13,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:09:13,889 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:09:13,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [567068806] [2023-11-25 00:09:13,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:13,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:09:13,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:09:13,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:09:13,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:09:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:14,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-25 00:09:14,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 113 proven. 13 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-25 00:09:21,766 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:09:23,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:09:23,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803629587] [2023-11-25 00:09:23,388 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-25 00:09:23,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567068806] [2023-11-25 00:09:23,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567068806] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:09:23,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [343572571] [2023-11-25 00:09:23,430 INFO L159 IcfgInterpreter]: Started Sifa with 32 locations of interest [2023-11-25 00:09:23,430 INFO L166 IcfgInterpreter]: Building call graph [2023-11-25 00:09:23,436 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-25 00:09:23,442 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-25 00:09:23,442 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-25 00:09:32,807 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 94 for LOIs [2023-11-25 00:09:32,856 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-25 00:09:36,708 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '243#(and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (or (and (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483647) (<= 1 |#StackHeapBarrier|) (<= 0 ~var_1_4~0) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_3~0 2147483648)) (<= 0 (+ |ULTIMATE.start_main_#t~ret15#1| 2147483648)) (<= ~var_1_3~0 2147483647) (= 16 ~last_1_var_1_12~0) (<= 0 (+ |ULTIMATE.start_property_#res#1| 2147483648)) (<= 0 (+ |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483648)) (<= 0 (+ ~var_1_2~0 2147483648)) (<= ~var_1_11~0 1073741823) (<= ~var_1_4~0 2147483647) (<= 0 ~var_1_1~0) (= ~isInitial~0 1) (<= 0 ~var_1_10~0) (<= |ULTIMATE.start_main_#t~ret15#1| 2147483647) (<= |ULTIMATE.start_property_#res#1| 2147483647) (<= ~var_1_2~0 2147483647) (<= ~var_1_1~0 2147483647) (<= ~var_1_10~0 1073741823)) (and (<= 0 (+ ~var_1_2~0 2147483646)) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483647) (<= 1 |#StackHeapBarrier|) (<= 0 ~var_1_11~0) (<= 0 (+ |ULTIMATE.start_main_#t~ret15#1| 2147483648)) (<= ~var_1_3~0 2147483647) (= 16 ~last_1_var_1_12~0) (<= 0 (+ |ULTIMATE.start_property_#res#1| 2147483648)) (<= 0 (+ |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483648)) (<= ~var_1_11~0 1073741823) (<= ~var_1_4~0 2147483647) (<= 0 (+ ~var_1_4~0 2147483648)) (<= 0 (+ ~var_1_3~0 2147483646)) (= ~isInitial~0 1) (<= 0 ~var_1_10~0) (<= |ULTIMATE.start_main_#t~ret15#1| 2147483647) (<= |ULTIMATE.start_property_#res#1| 2147483647) (<= ~var_1_2~0 2147483647) (<= ~var_1_1~0 2147483647) (<= 0 (+ ~var_1_1~0 2147483648)) (<= ~var_1_10~0 1073741823)) (and (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483647) (<= 1 |#StackHeapBarrier|) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_3~0 2147483648)) (<= 0 (+ |ULTIMATE.start_main_#t~ret15#1| 2147483648)) (<= ~var_1_3~0 2147483647) (= 16 ~last_1_var_1_12~0) (<= 0 (+ |ULTIMATE.start_property_#res#1| 2147483648)) (<= 1 ~var_1_1~0) (<= 0 (+ |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483648)) (<= 0 (+ ~var_1_2~0 2147483648)) (<= (+ ~var_1_4~0 1) 0) (<= ~var_1_11~0 1073741823) (<= 0 (+ ~var_1_4~0 2147483648)) (= ~isInitial~0 1) (<= 0 ~var_1_10~0) (<= |ULTIMATE.start_main_#t~ret15#1| 2147483647) (<= |ULTIMATE.start_property_#res#1| 2147483647) (<= ~var_1_2~0 2147483647) (<= ~var_1_1~0 2147483648) (<= ~var_1_10~0 1073741823))))' at error location [2023-11-25 00:09:36,709 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-25 00:09:36,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-25 00:09:36,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-25 00:09:36,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424487542] [2023-11-25 00:09:36,712 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-25 00:09:36,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:09:36,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:09:36,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:09:36,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=554, Unknown=0, NotChecked=0, Total=756 [2023-11-25 00:09:36,743 INFO L87 Difference]: Start difference. First operand has 34 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-25 00:09:36,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:36,947 INFO L93 Difference]: Finished difference Result 67 states and 101 transitions. [2023-11-25 00:09:36,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-25 00:09:36,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 63 [2023-11-25 00:09:36,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:36,955 INFO L225 Difference]: With dead ends: 67 [2023-11-25 00:09:36,955 INFO L226 Difference]: Without dead ends: 0 [2023-11-25 00:09:36,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2023-11-25 00:09:36,963 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 21 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:36,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 54 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:09:36,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-25 00:09:36,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-25 00:09:36,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:09:36,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-25 00:09:36,986 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2023-11-25 00:09:36,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:36,986 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-25 00:09:36,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-25 00:09:36,987 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-25 00:09:36,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-25 00:09:36,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:09:36,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-25 00:09:37,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-25 00:09:37,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-25 00:09:37,303 INFO L895 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,304 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-25 00:09:37,304 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-25 00:09:37,304 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-25 00:09:37,304 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,304 INFO L895 garLoopResultBuilder]: At program point L77-1(line 77) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,305 INFO L899 garLoopResultBuilder]: For program point L94(lines 69 95) no Hoare annotation was computed. [2023-11-25 00:09:37,305 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,305 INFO L895 garLoopResultBuilder]: At program point L86-1(line 86) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,305 INFO L899 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2023-11-25 00:09:37,305 INFO L899 garLoopResultBuilder]: For program point L87(line 87) no Hoare annotation was computed. [2023-11-25 00:09:37,306 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-25 00:09:37,306 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,306 INFO L895 garLoopResultBuilder]: At program point L71-1(line 71) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,306 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,306 INFO L895 garLoopResultBuilder]: At program point L80-1(line 80) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,307 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2023-11-25 00:09:37,307 INFO L895 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: (<= 0 (+ ~var_1_2~0 2147483648)) [2023-11-25 00:09:37,307 INFO L895 garLoopResultBuilder]: At program point L89-1(line 89) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,307 INFO L899 garLoopResultBuilder]: For program point L81(line 81) no Hoare annotation was computed. [2023-11-25 00:09:37,307 INFO L895 garLoopResultBuilder]: At program point L106-2(lines 106 112) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,307 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2023-11-25 00:09:37,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-25 00:09:37,308 INFO L895 garLoopResultBuilder]: At program point L74(line 74) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,308 INFO L895 garLoopResultBuilder]: At program point L74-1(line 74) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-25 00:09:37,308 INFO L895 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,309 INFO L895 garLoopResultBuilder]: At program point L83-1(line 83) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,309 INFO L899 garLoopResultBuilder]: For program point L75(line 75) no Hoare annotation was computed. [2023-11-25 00:09:37,309 INFO L895 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,309 INFO L895 garLoopResultBuilder]: At program point L92-1(line 92) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-25 00:09:37,309 INFO L899 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2023-11-25 00:09:37,310 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-25 00:09:37,310 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-25 00:09:37,313 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:09:37,316 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:09:37,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:09:37 BoogieIcfgContainer [2023-11-25 00:09:37,328 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:09:37,328 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:09:37,328 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:09:37,329 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:09:37,329 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:09:13" (3/4) ... [2023-11-25 00:09:37,331 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-25 00:09:37,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-25 00:09:37,341 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-25 00:09:37,342 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-25 00:09:37,342 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-25 00:09:37,343 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-25 00:09:37,463 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-25 00:09:37,464 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-25 00:09:37,464 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:09:37,465 INFO L158 Benchmark]: Toolchain (without parser) took 25280.36ms. Allocated memory was 176.2MB in the beginning and 415.2MB in the end (delta: 239.1MB). Free memory was 137.9MB in the beginning and 270.1MB in the end (delta: -132.3MB). Peak memory consumption was 109.4MB. Max. memory is 16.1GB. [2023-11-25 00:09:37,465 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory was 94.2MB in the beginning and 94.2MB in the end (delta: 25.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:09:37,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.62ms. Allocated memory is still 176.2MB. Free memory was 137.3MB in the beginning and 125.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-25 00:09:37,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.27ms. Allocated memory is still 176.2MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:09:37,466 INFO L158 Benchmark]: Boogie Preprocessor took 52.82ms. Allocated memory is still 176.2MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:09:37,467 INFO L158 Benchmark]: RCFGBuilder took 776.21ms. Allocated memory is still 176.2MB. Free memory was 121.1MB in the beginning and 88.3MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-25 00:09:37,467 INFO L158 Benchmark]: TraceAbstraction took 23844.85ms. Allocated memory was 176.2MB in the beginning and 415.2MB in the end (delta: 239.1MB). Free memory was 87.6MB in the beginning and 276.4MB in the end (delta: -188.9MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-11-25 00:09:37,467 INFO L158 Benchmark]: Witness Printer took 135.91ms. Allocated memory is still 415.2MB. Free memory was 275.4MB in the beginning and 270.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-25 00:09:37,470 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory was 94.2MB in the beginning and 94.2MB in the end (delta: 25.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.62ms. Allocated memory is still 176.2MB. Free memory was 137.3MB in the beginning and 125.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.27ms. Allocated memory is still 176.2MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.82ms. Allocated memory is still 176.2MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 776.21ms. Allocated memory is still 176.2MB. Free memory was 121.1MB in the beginning and 88.3MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 23844.85ms. Allocated memory was 176.2MB in the beginning and 415.2MB in the end (delta: 239.1MB). Free memory was 87.6MB in the beginning and 276.4MB in the end (delta: -188.9MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Witness Printer took 135.91ms. Allocated memory is still 415.2MB. Free memory was 275.4MB in the beginning and 270.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: 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 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.7s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 25 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 52 PreInvPairs, 70 NumberOfFragments, 159 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 366 SizeOfPredicates, 19 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 259/272 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: 106]: Loop Invariant Derived loop invariant: ((0 <= var_1_11) && (0 <= (var_1_2 + 2147483648))) RESULT: Ultimate proved your program to be correct! [2023-11-25 00:09:37,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c70271-3880-465f-8e7a-428713828d31/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE