./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh --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 2ca49ab820ec7b63f08a2ce22e67a701d1d86b8ff13cf45853d7baabaed2f9ad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:30:20,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:30:20,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:30:20,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:30:20,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:30:20,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:30:20,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:30:20,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:30:20,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:30:20,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:30:20,831 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:30:20,831 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:30:20,832 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:30:20,832 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:30:20,833 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:30:20,833 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:30:20,834 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:30:20,834 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:30:20,835 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:30:20,835 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:30:20,836 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:30:20,837 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:30:20,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:30:20,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:30:20,838 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:30:20,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:30:20,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:30:20,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:30:20,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:30:20,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:30:20,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:30:20,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:30:20,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:30:20,842 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:30:20,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:30:20,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:30:20,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:30:20,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:30:20,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:30:20,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:30:20,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:30:20,843 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:30:20,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:30:20,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:30:20,844 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:30:20,844 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:30:20,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:30:20,845 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_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ca49ab820ec7b63f08a2ce22e67a701d1d86b8ff13cf45853d7baabaed2f9ad [2023-12-02 14:30:21,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:30:21,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:30:21,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:30:21,079 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:30:21,080 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:30:21,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2023-12-02 14:30:23,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:30:24,025 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:30:24,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2023-12-02 14:30:24,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/data/6cc20ba64/29ffc1d3fcc749c594dd708368ba15b7/FLAG9bf0a82c5 [2023-12-02 14:30:24,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/data/6cc20ba64/29ffc1d3fcc749c594dd708368ba15b7 [2023-12-02 14:30:24,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:30:24,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:30:24,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:30:24,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:30:24,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:30:24,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:30:24" (1/1) ... [2023-12-02 14:30:24,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba0b7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24, skipping insertion in model container [2023-12-02 14:30:24,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:30:24" (1/1) ... [2023-12-02 14:30:24,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:30:24,241 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_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i[915,928] [2023-12-02 14:30:24,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:30:24,309 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:30:24,322 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_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i[915,928] [2023-12-02 14:30:24,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:30:24,368 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:30:24,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24 WrapperNode [2023-12-02 14:30:24,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:30:24,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:30:24,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:30:24,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:30:24,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24" (1/1) ... [2023-12-02 14:30:24,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24" (1/1) ... [2023-12-02 14:30:24,426 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-12-02 14:30:24,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:30:24,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:30:24,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:30:24,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:30:24,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24" (1/1) ... [2023-12-02 14:30:24,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24" (1/1) ... [2023-12-02 14:30:24,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24" (1/1) ... [2023-12-02 14:30:24,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24" (1/1) ... [2023-12-02 14:30:24,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24" (1/1) ... [2023-12-02 14:30:24,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24" (1/1) ... [2023-12-02 14:30:24,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24" (1/1) ... [2023-12-02 14:30:24,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24" (1/1) ... [2023-12-02 14:30:24,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:30:24,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:30:24,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:30:24,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:30:24,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24" (1/1) ... [2023-12-02 14:30:24,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:30:24,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:30:24,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:30:24,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:30:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:30:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:30:24,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:30:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:30:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:30:24,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:30:24,619 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:30:24,621 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:30:24,974 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:30:25,135 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:30:25,135 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:30:25,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:30:25 BoogieIcfgContainer [2023-12-02 14:30:25,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:30:25,140 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:30:25,140 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:30:25,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:30:25,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:30:24" (1/3) ... [2023-12-02 14:30:25,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346569d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:30:25, skipping insertion in model container [2023-12-02 14:30:25,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:24" (2/3) ... [2023-12-02 14:30:25,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346569d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:30:25, skipping insertion in model container [2023-12-02 14:30:25,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:30:25" (3/3) ... [2023-12-02 14:30:25,146 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2023-12-02 14:30:25,161 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:30:25,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:30:25,203 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:30:25,210 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;@7e250007, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:30:25,210 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:30:25,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 14:30:25,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 14:30:25,224 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:30:25,225 INFO L195 NwaCegarLoop]: trace histogram [20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:30:25,225 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:30:25,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:30:25,229 INFO L85 PathProgramCache]: Analyzing trace with hash 374915199, now seen corresponding path program 1 times [2023-12-02 14:30:25,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:30:25,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125407485] [2023-12-02 14:30:25,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:30:25,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:30:25,385 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:30:25,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975627204] [2023-12-02 14:30:25,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:30:25,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:30:25,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:30:25,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:30:25,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:30:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:30:26,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:30:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:30:26,440 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:30:26,442 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:30:26,443 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:30:26,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:30:26,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 14:30:26,650 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:30:26,653 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:30:26,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:30:26 BoogieIcfgContainer [2023-12-02 14:30:26,717 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:30:26,717 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:30:26,718 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:30:26,718 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:30:26,718 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:30:25" (3/4) ... [2023-12-02 14:30:26,721 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:30:26,722 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:30:26,723 INFO L158 Benchmark]: Toolchain (without parser) took 2667.99ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 123.6MB in the beginning and 132.1MB in the end (delta: -8.5MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2023-12-02 14:30:26,724 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory was 133.2MB in the beginning and 133.2MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:30:26,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.79ms. Allocated memory is still 172.0MB. Free memory was 123.6MB in the beginning and 109.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 14:30:26,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.83ms. Allocated memory is still 172.0MB. Free memory was 109.6MB in the beginning and 106.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:30:26,726 INFO L158 Benchmark]: Boogie Preprocessor took 44.83ms. Allocated memory is still 172.0MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:30:26,726 INFO L158 Benchmark]: RCFGBuilder took 664.54ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 104.0MB in the beginning and 174.0MB in the end (delta: -70.1MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2023-12-02 14:30:26,727 INFO L158 Benchmark]: TraceAbstraction took 1576.97ms. Allocated memory is still 228.6MB. Free memory was 173.0MB in the beginning and 132.1MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-02 14:30:26,727 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 228.6MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:30:26,731 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory was 133.2MB in the beginning and 133.2MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.79ms. Allocated memory is still 172.0MB. Free memory was 123.6MB in the beginning and 109.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.83ms. Allocated memory is still 172.0MB. Free memory was 109.6MB in the beginning and 106.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.83ms. Allocated memory is still 172.0MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.54ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 104.0MB in the beginning and 174.0MB in the end (delta: -70.1MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1576.97ms. Allocated memory is still 228.6MB. Free memory was 173.0MB in the beginning and 132.1MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 228.6MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 1; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] signed char var_1_8 = 64; [L27] signed char var_1_11 = -10; [L28] signed char var_1_12 = 64; [L29] float var_1_13 = 1.6; [L30] float var_1_14 = 3.5; [L31] unsigned char var_1_15 = 8; [L32] unsigned char var_1_16 = 4; [L33] unsigned short int var_1_17 = 2; [L34] unsigned short int var_1_18 = 10000; [L35] signed short int var_1_20 = 4; [L36] signed char var_1_22 = -32; [L37] unsigned long int var_1_23 = 0; [L38] signed short int var_1_24 = 25; [L39] float var_1_25 = 32.6; [L40] signed short int var_1_26 = 8; [L41] unsigned char var_1_27 = 50; [L42] unsigned char var_1_28 = 8; [L43] signed short int var_1_29 = 10; [L44] signed long int var_1_30 = -4; [L45] signed char var_1_31 = -50; [L46] signed char var_1_32 = -32; [L47] unsigned char last_1_var_1_15 = 8; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] CALL updateLastVariables() [L136] last_1_var_1_15 = var_1_15 [L146] RET updateLastVariables() [L147] CALL updateVariables() [L103] var_1_4 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L105] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L106] var_1_5 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L108] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L109] var_1_11 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L111] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L112] var_1_12 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L114] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L115] var_1_14 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L117] var_1_16 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L119] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L120] var_1_18 = __VERIFIER_nondet_ushort() [L121] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L122] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L123] var_1_25 = __VERIFIER_nondet_float() [L124] CALL assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L125] var_1_26 = __VERIFIER_nondet_short() [L126] CALL assume_abort_if_not(var_1_26 >= -32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_26 >= -32766) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L127] CALL assume_abort_if_not(var_1_26 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_26 <= 32766) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L128] var_1_28 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=25, var_1_27=50, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=25, var_1_27=50, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L130] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L131] var_1_32 = __VERIFIER_nondet_char() [L132] CALL assume_abort_if_not(var_1_32 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_32 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L133] CALL assume_abort_if_not(var_1_32 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_32 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L147] RET updateVariables() [L148] CALL step() [L51] COND FALSE !(32.2f > (25.5f - ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))) [L54] var_1_27 = var_1_28 [L55] var_1_29 = var_1_26 [L56] var_1_30 = var_1_29 [L57] var_1_31 = var_1_32 [L58] unsigned char stepLocal_1 = ! var_1_5; [L59] COND TRUE stepLocal_1 || (var_1_12 < last_1_var_1_15) [L60] COND FALSE !(! var_1_5) [L63] var_1_13 = var_1_14 [L66] COND FALSE !((127.35 + var_1_13) <= var_1_13) [L71] COND TRUE (- var_1_13) > 31.9f [L72] var_1_1 = ((var_1_6 || var_1_4) && var_1_5) [L76] COND TRUE \read(var_1_1) [L77] var_1_15 = var_1_16 [L79] var_1_22 = 1 [L80] var_1_23 = var_1_22 [L81] unsigned long int stepLocal_0 = var_1_23; [L82] COND FALSE !(var_1_15 > stepLocal_0) [L85] unsigned char stepLocal_2 = var_1_23 < var_1_15; [L86] COND TRUE var_1_1 || stepLocal_2 [L87] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)) [L91] signed long int stepLocal_3 = -10; [L92] COND FALSE !(((var_1_15 / var_1_18) * var_1_15) < stepLocal_3) [L95] COND FALSE !(! (var_1_17 <= var_1_17)) [L98] var_1_20 = var_1_12 [L148] RET step() [L149] CALL, EXPR property() [L139-L140] return ((((((((((- var_1_13) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_6 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_13) <= var_1_13) ? ((4.5 <= (var_1_13 * var_1_13)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_15 > var_1_23) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < last_1_var_1_15)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_1 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_1 || (var_1_23 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_15 / var_1_18) * var_1_15) < -10) ? (var_1_20 == ((signed short int) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))) : ((! (var_1_17 <= var_1_17)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_22)) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=16384, var_1_18=16384, var_1_1=1, var_1_20=-1, var_1_22=1, var_1_23=1, var_1_24=25, var_1_26=25, var_1_27=0, var_1_28=0, var_1_29=25, var_1_30=25, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=-1, var_1_13=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=16384, var_1_18=16384, var_1_1=1, var_1_20=-1, var_1_22=1, var_1_23=1, var_1_24=25, var_1_26=25, var_1_27=0, var_1_28=0, var_1_29=25, var_1_30=25, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 14:30:26,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh --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 2ca49ab820ec7b63f08a2ce22e67a701d1d86b8ff13cf45853d7baabaed2f9ad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:30:28,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:30:28,812 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 14:30:28,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:30:28,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:30:28,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:30:28,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:30:28,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:30:28,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:30:28,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:30:28,851 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:30:28,851 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:30:28,852 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:30:28,852 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:30:28,853 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:30:28,853 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:30:28,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:30:28,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:30:28,855 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:30:28,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:30:28,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:30:28,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:30:28,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:30:28,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:30:28,862 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:30:28,862 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:30:28,862 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:30:28,863 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:30:28,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:30:28,864 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:30:28,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:30:28,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:30:28,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:30:28,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:30:28,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:30:28,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:30:28,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:30:28,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:30:28,866 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:30:28,866 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:30:28,867 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:30:28,867 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:30:28,867 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:30:28,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:30:28,868 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ca49ab820ec7b63f08a2ce22e67a701d1d86b8ff13cf45853d7baabaed2f9ad [2023-12-02 14:30:29,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:30:29,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:30:29,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:30:29,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:30:29,167 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:30:29,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2023-12-02 14:30:31,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:30:32,169 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:30:32,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2023-12-02 14:30:32,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/data/0d5ef208a/b0581d01acee48598590caa744910bdd/FLAG278e47bca [2023-12-02 14:30:32,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/data/0d5ef208a/b0581d01acee48598590caa744910bdd [2023-12-02 14:30:32,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:30:32,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:30:32,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:30:32,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:30:32,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:30:32,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:30:32" (1/1) ... [2023-12-02 14:30:32,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de83b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32, skipping insertion in model container [2023-12-02 14:30:32,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:30:32" (1/1) ... [2023-12-02 14:30:32,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:30:32,683 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_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i[915,928] [2023-12-02 14:30:32,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:30:32,757 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:30:32,768 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_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i[915,928] [2023-12-02 14:30:32,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:30:32,818 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:30:32,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32 WrapperNode [2023-12-02 14:30:32,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:30:32,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:30:32,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:30:32,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:30:32,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32" (1/1) ... [2023-12-02 14:30:32,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32" (1/1) ... [2023-12-02 14:30:32,867 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-12-02 14:30:32,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:30:32,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:30:32,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:30:32,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:30:32,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32" (1/1) ... [2023-12-02 14:30:32,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32" (1/1) ... [2023-12-02 14:30:32,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32" (1/1) ... [2023-12-02 14:30:32,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32" (1/1) ... [2023-12-02 14:30:32,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32" (1/1) ... [2023-12-02 14:30:32,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32" (1/1) ... [2023-12-02 14:30:32,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32" (1/1) ... [2023-12-02 14:30:32,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32" (1/1) ... [2023-12-02 14:30:32,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:30:32,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:30:32,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:30:32,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:30:32,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32" (1/1) ... [2023-12-02 14:30:32,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:30:32,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:30:32,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:30:32,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:30:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:30:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:30:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:30:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:30:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:30:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:30:33,097 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:30:33,099 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:30:37,521 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:30:37,572 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:30:37,572 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:30:37,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:30:37 BoogieIcfgContainer [2023-12-02 14:30:37,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:30:37,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:30:37,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:30:37,577 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:30:37,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:30:32" (1/3) ... [2023-12-02 14:30:37,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2854abc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:30:37, skipping insertion in model container [2023-12-02 14:30:37,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:30:32" (2/3) ... [2023-12-02 14:30:37,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2854abc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:30:37, skipping insertion in model container [2023-12-02 14:30:37,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:30:37" (3/3) ... [2023-12-02 14:30:37,581 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2023-12-02 14:30:37,596 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:30:37,597 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:30:37,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:30:37,646 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;@70e779f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:30:37,646 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:30:37,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 14:30:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 14:30:37,662 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:30:37,663 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:30:37,663 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:30:37,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:30:37,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1951117343, now seen corresponding path program 1 times [2023-12-02 14:30:37,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:30:37,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1437423778] [2023-12-02 14:30:37,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:30:37,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:30:37,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:30:37,682 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:30:37,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 14:30:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:30:38,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 14:30:38,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:30:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-12-02 14:30:38,133 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:30:38,133 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:30:38,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1437423778] [2023-12-02 14:30:38,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1437423778] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:30:38,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:30:38,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:30:38,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433818212] [2023-12-02 14:30:38,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:30:38,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:30:38,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:30:38,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:30:38,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:30:38,175 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 14:30:39,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:39,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:30:39,811 INFO L93 Difference]: Finished difference Result 115 states and 202 transitions. [2023-12-02 14:30:39,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:30:39,840 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2023-12-02 14:30:39,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:30:39,849 INFO L225 Difference]: With dead ends: 115 [2023-12-02 14:30:39,849 INFO L226 Difference]: Without dead ends: 57 [2023-12-02 14:30:39,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:30:39,856 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 14:30:39,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 14:30:39,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-12-02 14:30:39,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-12-02 14:30:39,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 14:30:39,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 86 transitions. [2023-12-02 14:30:39,901 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 86 transitions. Word has length 128 [2023-12-02 14:30:39,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:30:39,902 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 86 transitions. [2023-12-02 14:30:39,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 14:30:39,903 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2023-12-02 14:30:39,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 14:30:39,907 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:30:39,907 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:30:39,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:30:40,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:30:40,108 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:30:40,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:30:40,109 INFO L85 PathProgramCache]: Analyzing trace with hash 2014491099, now seen corresponding path program 1 times [2023-12-02 14:30:40,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:30:40,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625704198] [2023-12-02 14:30:40,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:30:40,110 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:30:40,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:30:40,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:30:40,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 14:30:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:30:40,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:30:40,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:30:41,974 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 14:30:41,975 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:30:41,975 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:30:41,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625704198] [2023-12-02 14:30:41,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1625704198] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:30:41,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:30:41,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:30:41,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170862617] [2023-12-02 14:30:41,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:30:41,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:30:41,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:30:41,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:30:41,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:30:41,981 INFO L87 Difference]: Start difference. First operand 57 states and 86 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 14:30:45,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:30:45,282 INFO L93 Difference]: Finished difference Result 168 states and 254 transitions. [2023-12-02 14:30:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:30:45,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2023-12-02 14:30:45,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:30:45,290 INFO L225 Difference]: With dead ends: 168 [2023-12-02 14:30:45,290 INFO L226 Difference]: Without dead ends: 112 [2023-12-02 14:30:45,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:30:45,292 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 20 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:30:45,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 148 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 14:30:45,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-12-02 14:30:45,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2023-12-02 14:30:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 66 states have (on average 1.2727272727272727) internal successors, (84), 66 states have internal predecessors, (84), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-02 14:30:45,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 164 transitions. [2023-12-02 14:30:45,317 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 164 transitions. Word has length 128 [2023-12-02 14:30:45,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:30:45,319 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 164 transitions. [2023-12-02 14:30:45,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 14:30:45,319 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions. [2023-12-02 14:30:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 14:30:45,322 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:30:45,322 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:30:45,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 14:30:45,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:30:45,523 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:30:45,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:30:45,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1579411619, now seen corresponding path program 1 times [2023-12-02 14:30:45,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:30:45,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [545535390] [2023-12-02 14:30:45,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:30:45,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:30:45,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:30:45,526 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:30:45,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 14:30:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:30:45,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 14:30:45,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:30:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 403 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2023-12-02 14:30:46,565 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:30:49,277 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:30:49,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [545535390] [2023-12-02 14:30:49,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [545535390] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:30:49,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1537840575] [2023-12-02 14:30:49,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:30:49,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:30:49,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:30:49,281 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:30:49,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 14:30:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:30:50,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 14:30:50,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:30:50,671 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 14:30:50,671 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:30:50,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1537840575] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:30:50,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:30:50,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-02 14:30:50,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954025899] [2023-12-02 14:30:50,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:30:50,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:30:50,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:30:50,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:30:50,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-12-02 14:30:50,674 INFO L87 Difference]: Start difference. First operand 109 states and 164 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 14:30:52,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:53,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:30:53,151 INFO L93 Difference]: Finished difference Result 325 states and 490 transitions. [2023-12-02 14:30:53,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:30:53,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2023-12-02 14:30:53,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:30:53,155 INFO L225 Difference]: With dead ends: 325 [2023-12-02 14:30:53,155 INFO L226 Difference]: Without dead ends: 217 [2023-12-02 14:30:53,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-12-02 14:30:53,158 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 95 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:30:53,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 405 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 14:30:53,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-12-02 14:30:53,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 215. [2023-12-02 14:30:53,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 130 states have (on average 1.2461538461538462) internal successors, (162), 130 states have internal predecessors, (162), 80 states have call successors, (80), 4 states have call predecessors, (80), 4 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-12-02 14:30:53,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 322 transitions. [2023-12-02 14:30:53,202 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 322 transitions. Word has length 128 [2023-12-02 14:30:53,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:30:53,203 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 322 transitions. [2023-12-02 14:30:53,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 14:30:53,204 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 322 transitions. [2023-12-02 14:30:53,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 14:30:53,206 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:30:53,207 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:30:53,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 14:30:53,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 14:30:53,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:30:53,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:30:53,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:30:53,613 INFO L85 PathProgramCache]: Analyzing trace with hash -770064993, now seen corresponding path program 1 times [2023-12-02 14:30:53,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:30:53,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601361276] [2023-12-02 14:30:53,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:30:53,614 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:30:53,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:30:53,615 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:30:53,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 14:30:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:30:53,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 14:30:53,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:30:54,619 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 403 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2023-12-02 14:30:54,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:30:57,474 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:30:57,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601361276] [2023-12-02 14:30:57,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601361276] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:30:57,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1268642324] [2023-12-02 14:30:57,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:30:57,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:30:57,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:30:57,477 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:30:57,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 14:30:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:30:58,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 14:30:58,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:30:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 403 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2023-12-02 14:30:59,116 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:31:00,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1268642324] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:31:00,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152322309] [2023-12-02 14:31:00,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:31:00,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:31:00,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:31:00,623 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:31:00,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 14:31:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:31:00,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 14:31:00,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:31:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 403 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2023-12-02 14:31:01,309 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:31:02,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152322309] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:31:02,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:31:02,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 9 [2023-12-02 14:31:02,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272057576] [2023-12-02 14:31:02,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 14:31:02,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 14:31:02,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:31:02,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 14:31:02,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-12-02 14:31:02,942 INFO L87 Difference]: Start difference. First operand 215 states and 322 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-02 14:31:04,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:31:04,679 INFO L93 Difference]: Finished difference Result 469 states and 675 transitions. [2023-12-02 14:31:04,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 14:31:04,707 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 128 [2023-12-02 14:31:04,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:31:04,711 INFO L225 Difference]: With dead ends: 469 [2023-12-02 14:31:04,711 INFO L226 Difference]: Without dead ends: 255 [2023-12-02 14:31:04,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-12-02 14:31:04,715 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 44 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:31:04,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 242 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 14:31:04,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-12-02 14:31:04,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 247. [2023-12-02 14:31:04,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 154 states have (on average 1.1948051948051948) internal successors, (184), 154 states have internal predecessors, (184), 80 states have call successors, (80), 12 states have call predecessors, (80), 12 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-12-02 14:31:04,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 344 transitions. [2023-12-02 14:31:04,754 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 344 transitions. Word has length 128 [2023-12-02 14:31:04,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:31:04,755 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 344 transitions. [2023-12-02 14:31:04,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-02 14:31:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 344 transitions. [2023-12-02 14:31:04,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 14:31:04,758 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:31:04,758 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:31:04,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 14:31:04,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 14:31:05,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 14:31:05,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 14:31:05,361 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:31:05,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:31:05,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1717470636, now seen corresponding path program 1 times [2023-12-02 14:31:05,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:31:05,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956587103] [2023-12-02 14:31:05,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:31:05,362 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:31:05,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:31:05,363 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:31:05,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4bb9e-50d3-4dbe-8d12-c5494d91787a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-02 14:31:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:31:05,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 14:31:05,729 INFO L285 TraceCheckSpWp]: Computing forward predicates...