./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.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_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 75d80daf48c0e9a1b2603b3e6c05c803d462c7bec0bbf2b539c9d86e71cd2b87 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:43:31,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:43:31,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 17:43:31,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:43:31,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:43:31,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:43:31,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:43:31,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:43:31,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:43:31,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:43:31,275 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:43:31,275 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:43:31,276 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:43:31,276 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:43:31,277 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:43:31,277 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:43:31,278 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:43:31,278 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:43:31,279 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:43:31,279 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:43:31,280 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:43:31,281 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:43:31,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:43:31,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:43:31,282 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:43:31,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:43:31,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:43:31,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:43:31,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:43:31,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:43:31,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:43:31,286 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:43:31,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:43:31,286 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:43:31,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:43:31,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:43:31,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:43:31,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:43:31,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:43:31,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:43:31,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:43:31,288 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:43:31,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:43:31,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:43:31,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:43:31,289 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:43:31,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:43:31,289 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_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d80daf48c0e9a1b2603b3e6c05c803d462c7bec0bbf2b539c9d86e71cd2b87 [2023-12-02 17:43:31,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:43:31,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:43:31,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:43:31,565 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:43:31,565 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:43:31,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i [2023-12-02 17:43:34,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:43:34,580 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:43:34,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i [2023-12-02 17:43:34,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/data/88a3b3fd8/ef0d7da8a4544c12986a26eaa2a47978/FLAG21f724dbf [2023-12-02 17:43:34,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/data/88a3b3fd8/ef0d7da8a4544c12986a26eaa2a47978 [2023-12-02 17:43:34,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:43:34,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:43:34,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:43:34,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:43:34,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:43:34,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:43:34" (1/1) ... [2023-12-02 17:43:34,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ad7705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34, skipping insertion in model container [2023-12-02 17:43:34,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:43:34" (1/1) ... [2023-12-02 17:43:34,663 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:43:34,809 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_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i[919,932] [2023-12-02 17:43:34,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:43:34,899 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:43:34,913 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_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i[919,932] [2023-12-02 17:43:34,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:43:34,974 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:43:34,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34 WrapperNode [2023-12-02 17:43:34,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:43:34,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:43:34,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:43:34,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:43:34,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34" (1/1) ... [2023-12-02 17:43:34,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34" (1/1) ... [2023-12-02 17:43:35,043 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-12-02 17:43:35,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:43:35,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:43:35,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:43:35,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:43:35,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34" (1/1) ... [2023-12-02 17:43:35,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34" (1/1) ... [2023-12-02 17:43:35,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34" (1/1) ... [2023-12-02 17:43:35,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34" (1/1) ... [2023-12-02 17:43:35,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34" (1/1) ... [2023-12-02 17:43:35,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34" (1/1) ... [2023-12-02 17:43:35,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34" (1/1) ... [2023-12-02 17:43:35,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34" (1/1) ... [2023-12-02 17:43:35,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:43:35,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:43:35,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:43:35,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:43:35,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34" (1/1) ... [2023-12-02 17:43:35,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:43:35,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:43:35,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:43:35,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:43:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:43:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:43:35,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:43:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:43:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:43:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:43:35,258 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:43:35,260 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:43:35,675 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:43:35,962 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:43:35,962 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:43:35,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:43:35 BoogieIcfgContainer [2023-12-02 17:43:35,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:43:35,967 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:43:35,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:43:35,970 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:43:35,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:43:34" (1/3) ... [2023-12-02 17:43:35,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cf11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:43:35, skipping insertion in model container [2023-12-02 17:43:35,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:34" (2/3) ... [2023-12-02 17:43:35,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cf11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:43:35, skipping insertion in model container [2023-12-02 17:43:35,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:43:35" (3/3) ... [2023-12-02 17:43:35,973 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i [2023-12-02 17:43:35,993 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:43:35,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:43:36,042 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:43:36,049 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;@4df38eaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:43:36,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:43:36,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 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 17:43:36,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 17:43:36,065 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:43:36,066 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] [2023-12-02 17:43:36,067 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:43:36,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:43:36,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1139250352, now seen corresponding path program 1 times [2023-12-02 17:43:36,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:43:36,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541066549] [2023-12-02 17:43:36,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:43:36,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:43:36,247 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:43:36,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1306491995] [2023-12-02 17:43:36,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:43:36,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:43:36,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:43:36,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:43:36,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:43:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:43:36,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:43:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:43:36,871 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 17:43:36,874 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 17:43:36,875 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:43:36,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:43:37,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 17:43:37,083 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 17:43:37,087 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:43:37,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:43:37 BoogieIcfgContainer [2023-12-02 17:43:37,184 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:43:37,185 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:43:37,185 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:43:37,185 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:43:37,185 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:43:35" (3/4) ... [2023-12-02 17:43:37,187 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 17:43:37,188 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:43:37,189 INFO L158 Benchmark]: Toolchain (without parser) took 2575.32ms. Allocated memory was 132.1MB in the beginning and 167.8MB in the end (delta: 35.7MB). Free memory was 90.2MB in the beginning and 107.9MB in the end (delta: -17.7MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-12-02 17:43:37,190 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:43:37,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.90ms. Allocated memory is still 132.1MB. Free memory was 90.0MB in the beginning and 74.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 17:43:37,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.22ms. Allocated memory is still 132.1MB. Free memory was 74.4MB in the beginning and 70.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 17:43:37,192 INFO L158 Benchmark]: Boogie Preprocessor took 47.05ms. Allocated memory is still 132.1MB. Free memory was 70.2MB in the beginning and 67.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:43:37,193 INFO L158 Benchmark]: RCFGBuilder took 872.68ms. Allocated memory was 132.1MB in the beginning and 167.8MB in the end (delta: 35.7MB). Free memory was 67.7MB in the beginning and 89.3MB in the end (delta: -21.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-12-02 17:43:37,193 INFO L158 Benchmark]: TraceAbstraction took 1217.24ms. Allocated memory is still 167.8MB. Free memory was 88.4MB in the beginning and 107.9MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:43:37,193 INFO L158 Benchmark]: Witness Printer took 3.52ms. Allocated memory is still 167.8MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:43:37,197 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.90ms. Allocated memory is still 132.1MB. Free memory was 90.0MB in the beginning and 74.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.22ms. Allocated memory is still 132.1MB. Free memory was 74.4MB in the beginning and 70.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.05ms. Allocated memory is still 132.1MB. Free memory was 70.2MB in the beginning and 67.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 872.68ms. Allocated memory was 132.1MB in the beginning and 167.8MB in the end (delta: 35.7MB). Free memory was 67.7MB in the beginning and 89.3MB in the end (delta: -21.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1217.24ms. Allocated memory is still 167.8MB. Free memory was 88.4MB in the beginning and 107.9MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.52ms. Allocated memory is still 167.8MB. Free memory is still 107.9MB. 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 176, overapproximation of shiftRight at line 56, overapproximation of bitwiseAnd at line 53, overapproximation of someBinaryArithmeticDOUBLEoperation at line 136, overapproximation of someBinaryDOUBLEComparisonOperation at line 85. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] unsigned char var_1_4 = 0; [L24] unsigned short int var_1_8 = 32; [L25] signed long int var_1_9 = -16; [L26] unsigned short int var_1_10 = 5; [L27] unsigned char var_1_12 = 32; [L28] unsigned char var_1_13 = 1; [L29] unsigned char var_1_14 = 0; [L30] unsigned char var_1_15 = 0; [L31] double var_1_16 = 63.75; [L32] double var_1_17 = 8.5; [L33] signed short int var_1_18 = -64; [L34] unsigned char var_1_19 = 32; [L35] signed short int var_1_24 = -1; [L36] signed short int var_1_25 = 2; [L37] unsigned char var_1_26 = 100; [L38] unsigned char var_1_29 = 128; [L39] unsigned char var_1_30 = 64; [L40] signed char var_1_31 = -1; [L41] unsigned short int var_1_32 = 100; [L42] unsigned long int var_1_33 = 0; [L43] float var_1_36 = 16.8; [L44] signed char var_1_38 = 0; [L45] signed long int var_1_39 = -4; [L46] unsigned short int var_1_40 = 256; [L47] signed long int last_1_var_1_1 = 32; [L48] unsigned char last_1_var_1_12 = 32; [L49] signed short int last_1_var_1_18 = -64; [L188] isInitial = 1 [L189] FCALL initially() [L190] COND TRUE 1 [L191] CALL updateLastVariables() [L179] last_1_var_1_1 = var_1_1 [L180] last_1_var_1_12 = var_1_12 [L181] last_1_var_1_18 = var_1_18 [L191] RET updateLastVariables() [L192] CALL updateVariables() [L147] var_1_4 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_8=32, var_1_9=-16] [L149] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=-16] [L150] var_1_9 = __VERIFIER_nondet_long() [L151] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L152] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L153] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L154] var_1_10 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L156] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L157] var_1_13 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L159] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L160] var_1_15 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L162] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L163] var_1_17 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L165] var_1_25 = __VERIFIER_nondet_short() [L166] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L167] CALL assume_abort_if_not(var_1_25 <= 9) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_25 <= 9) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L168] var_1_29 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_29 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_29 >= 127) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L170] CALL assume_abort_if_not(var_1_29 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_29 <= 254) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L171] var_1_30 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_30 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_30 >= 63) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L173] CALL assume_abort_if_not(var_1_30 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_30 <= 127) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L174] var_1_36 = __VERIFIER_nondet_float() [L175] CALL assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L176] CALL assume_abort_if_not(var_1_36 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_36 != 0.0F) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=1, var_1_8=32, var_1_9=64] [L192] RET updateVariables() [L193] CALL step() [L53] EXPR var_1_12 & var_1_8 [L53] COND TRUE (var_1_12 & var_1_8) >= var_1_13 [L54] var_1_19 = var_1_13 [L56] EXPR var_1_1 >> ((((var_1_25) < (1)) ? (var_1_25) : (1))) [L56] COND FALSE !(((((var_1_12) < (25)) ? (var_1_12) : (25))) > (var_1_1 >> ((((var_1_25) < (1)) ? (var_1_25) : (1))))) [L63] COND FALSE !(var_1_15 && var_1_4) [L66] COND TRUE \read(var_1_4) [L67] COND FALSE !(var_1_13 >= var_1_12) [L71] COND FALSE !(var_1_14 && var_1_14) [L80] COND FALSE !(\read(var_1_14)) [L84] COND FALSE !(var_1_13 > var_1_8) [L89] var_1_38 = var_1_25 [L90] var_1_39 = var_1_30 [L91] var_1_40 = var_1_30 [L92] signed long int stepLocal_1 = last_1_var_1_18; [L93] signed long int stepLocal_0 = last_1_var_1_18; [L94] COND FALSE !(stepLocal_1 >= (last_1_var_1_18 / var_1_9)) [L101] var_1_8 = last_1_var_1_12 [L103] var_1_18 = var_1_8 [L104] COND FALSE !(var_1_10 < var_1_18) [L115] unsigned short int stepLocal_2 = var_1_8; [L116] COND FALSE !(stepLocal_2 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12)) [L127] COND FALSE !(var_1_18 != var_1_12) [L132] COND FALSE !(\read(var_1_14)) [L139] COND FALSE !(\read(var_1_14)) [L142] var_1_16 = var_1_17 [L193] RET step() [L194] CALL, EXPR property() [L184-L185] return ((((((var_1_18 != var_1_12) ? (var_1_14 ? (var_1_1 == ((signed long int) ((((((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) < (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) ? (((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) : (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18)))))))) : 1) : 1) && ((last_1_var_1_18 >= (last_1_var_1_18 / var_1_9)) ? ((last_1_var_1_18 < (last_1_var_1_1 * 256)) ? (var_1_8 == ((unsigned short int) ((((last_1_var_1_12) < (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12))))) ? (last_1_var_1_12) : (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12)))))))) : (var_1_8 == ((unsigned short int) last_1_var_1_12))) : (var_1_8 == ((unsigned short int) last_1_var_1_12)))) && ((var_1_10 < var_1_18) ? ((last_1_var_1_12 <= (5 - last_1_var_1_12)) ? (var_1_12 == ((unsigned char) var_1_13)) : ((last_1_var_1_12 == var_1_8) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) var_1_13)))) : 1)) && ((var_1_8 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12)) ? ((! (var_1_8 >= var_1_12)) ? (var_1_4 ? (var_1_14 == ((unsigned char) 0)) : (var_1_14 == ((unsigned char) var_1_15))) : (var_1_14 == ((unsigned char) var_1_15))) : 1)) && (var_1_14 ? (var_1_15 ? (var_1_16 == ((double) var_1_17)) : (var_1_16 == ((double) (((((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) > (var_1_17)) ? ((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) : (var_1_17)))))) : (var_1_14 ? (var_1_16 == ((double) 5.2)) : (var_1_16 == ((double) var_1_17))))) && (var_1_18 == ((signed short int) var_1_8)) ; [L194] RET, EXPR property() [L194] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_19=31, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=1, var_1_8=32, var_1_9=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=31, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_19=31, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=1, var_1_8=32, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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=39occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 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 17:43:37,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 75d80daf48c0e9a1b2603b3e6c05c803d462c7bec0bbf2b539c9d86e71cd2b87 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:43:39,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:43:39,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 17:43:39,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:43:39,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:43:39,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:43:39,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:43:39,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:43:39,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:43:39,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:43:39,329 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:43:39,330 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:43:39,331 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:43:39,331 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:43:39,332 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:43:39,332 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:43:39,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:43:39,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:43:39,334 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:43:39,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:43:39,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:43:39,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:43:39,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:43:39,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:43:39,337 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:43:39,338 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:43:39,338 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:43:39,339 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:43:39,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:43:39,340 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:43:39,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:43:39,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:43:39,341 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:43:39,341 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:43:39,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:43:39,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:43:39,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:43:39,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:43:39,344 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:43:39,344 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:43:39,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:43:39,345 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:43:39,345 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:43:39,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:43:39,346 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_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d80daf48c0e9a1b2603b3e6c05c803d462c7bec0bbf2b539c9d86e71cd2b87 [2023-12-02 17:43:39,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:43:39,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:43:39,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:43:39,659 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:43:39,659 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:43:39,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i [2023-12-02 17:43:42,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:43:42,784 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:43:42,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i [2023-12-02 17:43:42,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/data/4699346ac/2ed2bc0bfabe4576af59f73725f0fe3a/FLAG80e7a6b10 [2023-12-02 17:43:42,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/data/4699346ac/2ed2bc0bfabe4576af59f73725f0fe3a [2023-12-02 17:43:42,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:43:42,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:43:42,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:43:42,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:43:42,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:43:42,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:43:42" (1/1) ... [2023-12-02 17:43:42,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4077a257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:42, skipping insertion in model container [2023-12-02 17:43:42,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:43:42" (1/1) ... [2023-12-02 17:43:42,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:43:43,021 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_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i[919,932] [2023-12-02 17:43:43,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:43:43,109 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:43:43,122 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_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i[919,932] [2023-12-02 17:43:43,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:43:43,177 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:43:43,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:43 WrapperNode [2023-12-02 17:43:43,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:43:43,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:43:43,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:43:43,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:43:43,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:43" (1/1) ... [2023-12-02 17:43:43,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:43" (1/1) ... [2023-12-02 17:43:43,231 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-12-02 17:43:43,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:43:43,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:43:43,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:43:43,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:43:43,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:43" (1/1) ... [2023-12-02 17:43:43,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:43" (1/1) ... [2023-12-02 17:43:43,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:43" (1/1) ... [2023-12-02 17:43:43,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:43" (1/1) ... [2023-12-02 17:43:43,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:43" (1/1) ... [2023-12-02 17:43:43,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:43" (1/1) ... [2023-12-02 17:43:43,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:43" (1/1) ... [2023-12-02 17:43:43,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:43" (1/1) ... [2023-12-02 17:43:43,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:43:43,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:43:43,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:43:43,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:43:43,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:43" (1/1) ... [2023-12-02 17:43:43,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:43:43,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:43:43,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:43:43,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:43:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:43:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 17:43:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:43:43,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:43:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:43:43,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:43:43,441 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:43:43,443 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:43:55,587 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:43:55,648 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:43:55,648 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:43:55,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:43:55 BoogieIcfgContainer [2023-12-02 17:43:55,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:43:55,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:43:55,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:43:55,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:43:55,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:43:42" (1/3) ... [2023-12-02 17:43:55,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb7599a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:43:55, skipping insertion in model container [2023-12-02 17:43:55,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:43:43" (2/3) ... [2023-12-02 17:43:55,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb7599a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:43:55, skipping insertion in model container [2023-12-02 17:43:55,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:43:55" (3/3) ... [2023-12-02 17:43:55,658 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i [2023-12-02 17:43:55,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:43:55,676 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:43:55,724 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:43:55,731 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;@23950c85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:43:55,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:43:55,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 48 states have (on average 1.625) internal successors, (78), 49 states have internal predecessors, (78), 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 17:43:55,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 17:43:55,751 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:43:55,752 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, 1, 1] [2023-12-02 17:43:55,753 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:43:55,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:43:55,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1886793246, now seen corresponding path program 1 times [2023-12-02 17:43:55,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:43:55,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1668964948] [2023-12-02 17:43:55,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:43:55,773 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 17:43:55,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:43:55,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 17:43:55,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 17:43:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:43:56,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 17:43:56,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:43:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-12-02 17:43:56,129 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:43:56,130 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:43:56,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1668964948] [2023-12-02 17:43:56,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1668964948] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:43:56,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:43:56,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:43:56,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979981603] [2023-12-02 17:43:56,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:43:56,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 17:43:56,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:43:56,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 17:43:56,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:43:56,166 INFO L87 Difference]: Start difference. First operand has 71 states, 48 states have (on average 1.625) internal successors, (78), 49 states have internal predecessors, (78), 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 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 17:43:56,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:43:56,637 INFO L93 Difference]: Finished difference Result 139 states and 254 transitions. [2023-12-02 17:43:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 17:43:56,653 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 131 [2023-12-02 17:43:56,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:43:56,663 INFO L225 Difference]: With dead ends: 139 [2023-12-02 17:43:56,663 INFO L226 Difference]: Without dead ends: 69 [2023-12-02 17:43:56,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 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 17:43:56,672 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:43:56,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:43:56,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-02 17:43:56,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-02 17:43:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.553191489361702) internal successors, (73), 47 states have internal predecessors, (73), 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 17:43:56,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 113 transitions. [2023-12-02 17:43:56,727 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 113 transitions. Word has length 131 [2023-12-02 17:43:56,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:43:56,728 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 113 transitions. [2023-12-02 17:43:56,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 17:43:56,729 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 113 transitions. [2023-12-02 17:43:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 17:43:56,733 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:43:56,733 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, 1, 1] [2023-12-02 17:43:56,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 17:43:56,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 17:43:56,937 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:43:56,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:43:56,937 INFO L85 PathProgramCache]: Analyzing trace with hash 231154914, now seen corresponding path program 1 times [2023-12-02 17:43:56,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:43:56,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457413847] [2023-12-02 17:43:56,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:43:56,939 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 17:43:56,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:43:56,940 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 17:43:56,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 17:43:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:43:57,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 17:43:57,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:43:59,829 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-12-02 17:43:59,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:44:01,876 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 17:44:01,877 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:44:01,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [457413847] [2023-12-02 17:44:01,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [457413847] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:44:01,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [477384648] [2023-12-02 17:44:01,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:44:01,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:44:01,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:44:01,909 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:44:01,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 17:44:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:44:02,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 17:44:02,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:44:02,442 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 17:44:02,442 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:44:02,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [477384648] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:44:02,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 17:44:02,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2023-12-02 17:44:02,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876169687] [2023-12-02 17:44:02,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:44:02,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:44:02,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:44:02,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:44:02,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:44:02,446 INFO L87 Difference]: Start difference. First operand 69 states and 113 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 17:44:03,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:44:03,005 INFO L93 Difference]: Finished difference Result 166 states and 274 transitions. [2023-12-02 17:44:03,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:44:03,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 131 [2023-12-02 17:44:03,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:44:03,009 INFO L225 Difference]: With dead ends: 166 [2023-12-02 17:44:03,009 INFO L226 Difference]: Without dead ends: 98 [2023-12-02 17:44:03,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 383 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:44:03,011 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 47 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 17:44:03,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 252 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 17:44:03,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-12-02 17:44:03,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 87. [2023-12-02 17:44:03,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 65 states have (on average 1.6) internal successors, (104), 65 states have internal predecessors, (104), 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 17:44:03,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 144 transitions. [2023-12-02 17:44:03,026 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 144 transitions. Word has length 131 [2023-12-02 17:44:03,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:44:03,028 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 144 transitions. [2023-12-02 17:44:03,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 17:44:03,028 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 144 transitions. [2023-12-02 17:44:03,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 17:44:03,030 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:44:03,031 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, 1, 1] [2023-12-02 17:44:03,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 17:44:03,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 17:44:03,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 17:44:03,432 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:44:03,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:44:03,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1357192988, now seen corresponding path program 1 times [2023-12-02 17:44:03,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:44:03,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481616198] [2023-12-02 17:44:03,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:44:03,434 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 17:44:03,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:44:03,436 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 17:44:03,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 (5)] Waiting until timeout for monitored process [2023-12-02 17:44:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:44:03,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 17:44:03,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:44:07,434 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 17:44:07,435 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:44:07,435 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:44:07,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [481616198] [2023-12-02 17:44:07,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [481616198] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:44:07,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:44:07,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:44:07,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514284270] [2023-12-02 17:44:07,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:44:07,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:44:07,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:44:07,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:44:07,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:44:07,438 INFO L87 Difference]: Start difference. First operand 87 states and 144 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 17:44:08,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:44:08,096 INFO L93 Difference]: Finished difference Result 251 states and 414 transitions. [2023-12-02 17:44:08,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:44:08,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 131 [2023-12-02 17:44:08,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:44:08,100 INFO L225 Difference]: With dead ends: 251 [2023-12-02 17:44:08,100 INFO L226 Difference]: Without dead ends: 165 [2023-12-02 17:44:08,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:44:08,103 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 39 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 17:44:08,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 198 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 17:44:08,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-12-02 17:44:08,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 159. [2023-12-02 17:44:08,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 116 states have (on average 1.5172413793103448) internal successors, (176), 116 states have internal predecessors, (176), 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 17:44:08,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 256 transitions. [2023-12-02 17:44:08,125 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 256 transitions. Word has length 131 [2023-12-02 17:44:08,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:44:08,126 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 256 transitions. [2023-12-02 17:44:08,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 17:44:08,126 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 256 transitions. [2023-12-02 17:44:08,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 17:44:08,128 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:44:08,129 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, 1, 1] [2023-12-02 17:44:08,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 (5)] Ended with exit code 0 [2023-12-02 17:44:08,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 17:44:08,330 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:44:08,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:44:08,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1934343136, now seen corresponding path program 1 times [2023-12-02 17:44:08,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:44:08,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900705712] [2023-12-02 17:44:08,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:44:08,331 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 17:44:08,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:44:08,333 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 17:44:08,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e9a8a-cacf-4c3c-a733-2749f6dc249f/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 17:44:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:44:08,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 17:44:08,608 INFO L285 TraceCheckSpWp]: Computing forward predicates...