./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-44.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire --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 e83a96ae2f5bfdf3893aaa3e90bdc514d3802a42b700c4fee4c6a9673f033b35 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:26,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:27,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:15:27,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:27,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:27,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:27,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:27,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:27,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:27,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:27,160 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:27,162 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:27,162 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:27,164 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:15:27,164 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:27,165 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:27,165 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:15:27,165 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:15:27,166 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:27,166 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:15:27,167 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:15:27,167 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:15:27,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:27,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:27,169 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:27,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:15:27,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:27,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:27,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:27,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:27,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:27,173 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:27,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:27,173 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:27,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:27,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:27,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:27,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:27,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:27,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:27,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:27,175 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:15:27,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:15:27,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:27,176 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:27,177 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:27,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:27,177 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_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e83a96ae2f5bfdf3893aaa3e90bdc514d3802a42b700c4fee4c6a9673f033b35 [2023-11-23 21:15:27,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:27,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:27,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:27,617 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:27,617 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:27,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-44.i [2023-11-23 21:15:30,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:31,255 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:31,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-44.i [2023-11-23 21:15:31,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/data/f415e941d/8915a0e5153646bf8b724efc6f733c2f/FLAGf1b021a25 [2023-11-23 21:15:31,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/data/f415e941d/8915a0e5153646bf8b724efc6f733c2f [2023-11-23 21:15:31,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:31,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:31,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:31,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:31,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:31,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:31" (1/1) ... [2023-11-23 21:15:31,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd300d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31, skipping insertion in model container [2023-11-23 21:15:31,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:31" (1/1) ... [2023-11-23 21:15:31,343 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:31,525 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_af233b9f-b991-4b42-96f6-12691d837de1/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-44.i[915,928] [2023-11-23 21:15:31,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:31,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:31,634 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_af233b9f-b991-4b42-96f6-12691d837de1/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-44.i[915,928] [2023-11-23 21:15:31,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:31,708 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:31,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31 WrapperNode [2023-11-23 21:15:31,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:31,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:31,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:31,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:31,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31" (1/1) ... [2023-11-23 21:15:31,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31" (1/1) ... [2023-11-23 21:15:31,785 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-11-23 21:15:31,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:31,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:31,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:31,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:31,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31" (1/1) ... [2023-11-23 21:15:31,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31" (1/1) ... [2023-11-23 21:15:31,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31" (1/1) ... [2023-11-23 21:15:31,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31" (1/1) ... [2023-11-23 21:15:31,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31" (1/1) ... [2023-11-23 21:15:31,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31" (1/1) ... [2023-11-23 21:15:31,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31" (1/1) ... [2023-11-23 21:15:31,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31" (1/1) ... [2023-11-23 21:15:31,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:31,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:31,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:31,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:31,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31" (1/1) ... [2023-11-23 21:15:31,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:31,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:31,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:31,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:15:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:32,109 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:32,112 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:32,681 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:32,933 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:32,933 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:32,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:32 BoogieIcfgContainer [2023-11-23 21:15:32,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:32,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:32,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:32,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:32,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:31" (1/3) ... [2023-11-23 21:15:32,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3800243d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:32, skipping insertion in model container [2023-11-23 21:15:32,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:31" (2/3) ... [2023-11-23 21:15:32,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3800243d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:32, skipping insertion in model container [2023-11-23 21:15:32,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:32" (3/3) ... [2023-11-23 21:15:32,946 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-44.i [2023-11-23 21:15:32,967 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:32,967 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:33,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:33,029 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;@36c22c17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:33,030 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:33,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:15:33,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 21:15:33,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:33,050 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:33,051 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:33,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:33,058 INFO L85 PathProgramCache]: Analyzing trace with hash 442927278, now seen corresponding path program 1 times [2023-11-23 21:15:33,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:33,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128611788] [2023-11-23 21:15:33,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:33,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:33,313 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:33,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1126885711] [2023-11-23 21:15:33,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:33,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:33,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:33,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:33,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:15:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:33,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:15:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:33,881 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:15:33,884 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:15:33,885 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:15:33,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:34,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:15:34,101 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:15:34,106 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:15:34,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:15:34 BoogieIcfgContainer [2023-11-23 21:15:34,268 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:15:34,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:15:34,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:15:34,269 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:15:34,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:32" (3/4) ... [2023-11-23 21:15:34,272 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:15:34,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:15:34,274 INFO L158 Benchmark]: Toolchain (without parser) took 2983.44ms. Allocated memory is still 138.4MB. Free memory was 101.7MB in the beginning and 106.9MB in the end (delta: -5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:34,275 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 138.4MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:34,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.08ms. Allocated memory is still 138.4MB. Free memory was 101.4MB in the beginning and 87.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:15:34,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.93ms. Allocated memory is still 138.4MB. Free memory was 87.5MB in the beginning and 84.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:15:34,276 INFO L158 Benchmark]: Boogie Preprocessor took 56.82ms. Allocated memory is still 138.4MB. Free memory was 84.8MB in the beginning and 83.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:15:34,277 INFO L158 Benchmark]: RCFGBuilder took 1091.43ms. Allocated memory is still 138.4MB. Free memory was 83.3MB in the beginning and 94.8MB in the end (delta: -11.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2023-11-23 21:15:34,278 INFO L158 Benchmark]: TraceAbstraction took 1330.01ms. Allocated memory is still 138.4MB. Free memory was 94.1MB in the beginning and 107.8MB in the end (delta: -13.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-11-23 21:15:34,278 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 138.4MB. Free memory was 107.8MB in the beginning and 106.9MB in the end (delta: 868.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:34,282 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 138.4MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.08ms. Allocated memory is still 138.4MB. Free memory was 101.4MB in the beginning and 87.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.93ms. Allocated memory is still 138.4MB. Free memory was 87.5MB in the beginning and 84.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.82ms. Allocated memory is still 138.4MB. Free memory was 84.8MB in the beginning and 83.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1091.43ms. Allocated memory is still 138.4MB. Free memory was 83.3MB in the beginning and 94.8MB in the end (delta: -11.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1330.01ms. Allocated memory is still 138.4MB. Free memory was 94.1MB in the beginning and 107.8MB in the end (delta: -13.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 138.4MB. Free memory was 107.8MB in the beginning and 106.9MB in the end (delta: 868.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of bitwiseOr at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 77. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 16; [L23] unsigned char var_1_5 = 1; [L24] signed short int var_1_8 = -5; [L25] double var_1_10 = 256.475; [L26] double var_1_11 = 4.8; [L27] unsigned long int var_1_14 = 0; [L28] signed char var_1_15 = -5; [L29] unsigned long int var_1_16 = 500; [L30] unsigned long int var_1_17 = 4182428128; [L31] unsigned long int var_1_18 = 16; [L32] signed char var_1_19 = -5; [L33] signed char var_1_20 = 0; [L34] signed char var_1_21 = 64; [L35] float var_1_22 = 49.375; [L36] signed short int var_1_23 = 256; [L37] signed short int var_1_24 = 8; [L38] float var_1_25 = 255.5; [L39] float var_1_26 = 500.14; [L40] signed long int var_1_27 = -8; [L41] signed short int var_1_30 = -2; [L42] double var_1_31 = 0.3; [L43] signed char var_1_32 = 16; [L44] float last_1_var_1_22 = 49.375; [L45] signed short int last_1_var_1_30 = -2; [L46] signed char last_1_var_1_32 = 16; [L137] isInitial = 1 [L138] FCALL initially() [L139] int k_loop; [L140] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_10=10259/40, var_1_11=24/5, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L140] COND TRUE k_loop < 1 [L141] CALL updateLastVariables() [L128] last_1_var_1_22 = var_1_22 [L129] last_1_var_1_30 = var_1_30 [L130] last_1_var_1_32 = var_1_32 [L141] RET updateLastVariables() [L142] CALL updateVariables() [L90] var_1_5 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_10=10259/40, var_1_11=24/5, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_8=-5] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_10=10259/40, var_1_11=24/5, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_8=-5] [L92] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_10=10259/40, var_1_11=24/5, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_10=10259/40, var_1_11=24/5, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L93] var_1_10 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_11=24/5, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_11=24/5, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L95] var_1_11 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L97] var_1_15 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L99] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L100] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L101] var_1_16 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L103] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L104] var_1_17 = __VERIFIER_nondet_ulong() [L105] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L106] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L107] var_1_18 = __VERIFIER_nondet_ulong() [L108] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L109] CALL assume_abort_if_not(var_1_18 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_18 <= 1073741823) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L110] var_1_20 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_20 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_20 >= -126) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L112] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L113] var_1_21 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L115] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L116] var_1_23 = __VERIFIER_nondet_short() [L117] CALL assume_abort_if_not(var_1_23 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=1, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_23 >= -1) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=1, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L118] CALL assume_abort_if_not(var_1_23 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=1, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_23 <= 32767) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=1, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L119] var_1_24 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=1, var_1_24=0, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=1, var_1_24=0, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L121] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=1, var_1_24=0, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=1, var_1_24=0, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L122] var_1_25 = __VERIFIER_nondet_float() [L123] CALL assume_abort_if_not((var_1_25 >= 0.0F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=1, var_1_24=0, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not((var_1_25 >= 0.0F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=1, var_1_24=0, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L124] var_1_26 = __VERIFIER_nondet_float() [L125] CALL assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=1, var_1_24=0, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=395/8, var_1_23=1, var_1_24=0, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L142] RET updateVariables() [L143] CALL step() [L50] COND TRUE ((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))) < (((((var_1_10 - var_1_11)) < (((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))))) ? ((var_1_10 - var_1_11)) : (((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22)))))) [L51] COND FALSE !(last_1_var_1_22 >= last_1_var_1_22) [L54] var_1_8 = last_1_var_1_30 [L59] unsigned long int stepLocal_1 = var_1_18; [L60] COND TRUE 256 > stepLocal_1 [L61] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) > (var_1_21)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (var_1_21))) [L63] var_1_31 = var_1_26 [L64] var_1_32 = var_1_21 [L65] var_1_30 = ((((var_1_15) > (var_1_32)) ? (var_1_15) : (var_1_32))) [L66] signed short int stepLocal_0 = var_1_8; [L67] EXPR (var_1_32 + var_1_19) ^ (var_1_30 + var_1_32) [L67] COND FALSE !(stepLocal_0 == ((var_1_32 + var_1_19) ^ (var_1_30 + var_1_32))) [L70] COND TRUE var_1_30 == ((((var_1_30) < ((var_1_8 / var_1_15))) ? (var_1_30) : ((var_1_8 / var_1_15)))) [L71] var_1_14 = var_1_16 [L75] signed long int stepLocal_2 = var_1_23 - var_1_24; [L76] COND TRUE stepLocal_2 > var_1_14 [L77] var_1_22 = (var_1_25 - var_1_26) [L79] COND FALSE !(! var_1_5) [L82] COND TRUE var_1_11 > var_1_22 [L83] var_1_27 = var_1_19 [L143] RET step() [L144] CALL, EXPR property() [L133] EXPR (var_1_32 + var_1_19) ^ (var_1_30 + var_1_32) [L133-L134] return (((((((((var_1_8 == ((var_1_32 + var_1_19) ^ (var_1_30 + var_1_32))) ? (var_1_1 == ((signed long int) var_1_8)) : 1) && ((((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))) < (((((var_1_10 - var_1_11)) < (((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))))) ? ((var_1_10 - var_1_11)) : (((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))))))) ? ((last_1_var_1_22 >= last_1_var_1_22) ? (var_1_8 == ((signed short int) last_1_var_1_32)) : (var_1_8 == ((signed short int) last_1_var_1_30))) : (var_1_8 == ((signed short int) 0)))) && ((var_1_30 == ((((var_1_30) < ((var_1_8 / var_1_15))) ? (var_1_30) : ((var_1_8 / var_1_15))))) ? (var_1_14 == ((unsigned long int) var_1_16)) : (var_1_14 == ((unsigned long int) (var_1_17 - (16u + var_1_18)))))) && ((256 > var_1_18) ? (var_1_19 == ((signed char) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) > (var_1_21)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (var_1_21))))) : 1)) && (((var_1_23 - var_1_24) > var_1_14) ? (var_1_22 == ((float) (var_1_25 - var_1_26))) : 1)) && ((! var_1_5) ? (var_1_27 == ((signed long int) ((var_1_32 + var_1_24) + (var_1_30 + (var_1_20 + var_1_32))))) : ((var_1_11 > var_1_22) ? (var_1_27 == ((signed long int) var_1_19)) : (var_1_27 == ((signed long int) var_1_32))))) && (var_1_30 == ((signed short int) ((((var_1_15) > (var_1_32)) ? (var_1_15) : (var_1_32)))))) && (var_1_31 == ((double) var_1_26))) && (var_1_32 == ((signed char) var_1_21)) ; [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=0, var_1_26=2, var_1_27=0, var_1_30=0, var_1_31=2, var_1_32=0, var_1_5=1, var_1_8=-2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=0, var_1_26=2, var_1_27=0, var_1_30=0, var_1_31=2, var_1_32=0, var_1_5=1, var_1_8=-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 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 [2023-11-23 21:15:34,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/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_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire --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 e83a96ae2f5bfdf3893aaa3e90bdc514d3802a42b700c4fee4c6a9673f033b35 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:37,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:37,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:15:37,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:37,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:37,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:37,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:37,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:37,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:37,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:37,353 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:37,353 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:37,354 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:37,356 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:37,356 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:37,357 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:37,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:37,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:37,359 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:37,360 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:37,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:37,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:37,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:37,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:37,362 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:15:37,363 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:15:37,363 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:15:37,363 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:37,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:37,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:37,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:37,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:15:37,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:37,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:37,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:37,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:37,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:37,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:37,368 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:15:37,369 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:15:37,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:37,370 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:37,370 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:37,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:37,371 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_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e83a96ae2f5bfdf3893aaa3e90bdc514d3802a42b700c4fee4c6a9673f033b35 [2023-11-23 21:15:37,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:37,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:37,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:37,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:37,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:37,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-44.i [2023-11-23 21:15:41,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:41,393 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:41,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-44.i [2023-11-23 21:15:41,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/data/2dafad7c4/1ff36ba8102d4a8597784c6054deb2e4/FLAG7345a7a62 [2023-11-23 21:15:41,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/data/2dafad7c4/1ff36ba8102d4a8597784c6054deb2e4 [2023-11-23 21:15:41,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:41,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:41,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:41,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:41,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:41,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:41,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40cca1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41, skipping insertion in model container [2023-11-23 21:15:41,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:41,474 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:41,670 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_af233b9f-b991-4b42-96f6-12691d837de1/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-44.i[915,928] [2023-11-23 21:15:41,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:41,803 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:41,823 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_af233b9f-b991-4b42-96f6-12691d837de1/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-44.i[915,928] [2023-11-23 21:15:41,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:41,968 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:41,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41 WrapperNode [2023-11-23 21:15:41,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:41,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:41,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:41,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:41,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:42,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:42,078 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-23 21:15:42,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:42,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:42,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:42,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:42,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:42,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:42,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:42,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:42,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:42,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:42,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:42,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:42,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:42,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:42,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:42,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:42,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:42,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:42,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:42,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:42,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:15:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:42,390 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:42,394 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:46,080 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:46,147 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:46,148 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:46,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:46 BoogieIcfgContainer [2023-11-23 21:15:46,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:46,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:46,151 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:46,154 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:46,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:41" (1/3) ... [2023-11-23 21:15:46,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7ef135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:46, skipping insertion in model container [2023-11-23 21:15:46,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41" (2/3) ... [2023-11-23 21:15:46,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7ef135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:46, skipping insertion in model container [2023-11-23 21:15:46,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:46" (3/3) ... [2023-11-23 21:15:46,163 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-44.i [2023-11-23 21:15:46,183 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:46,183 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:46,235 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:46,241 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;@3e5c3429, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:46,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:46,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:15:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-23 21:15:46,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:46,269 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:46,270 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:46,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:46,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1967128986, now seen corresponding path program 1 times [2023-11-23 21:15:46,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:46,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142256755] [2023-11-23 21:15:46,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:46,295 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 [2023-11-23 21:15:46,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:46,298 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:15:46,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:46,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:15:46,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:46,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-23 21:15:46,807 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:46,808 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:46,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2142256755] [2023-11-23 21:15:46,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2142256755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:46,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:46,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:15:46,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440720262] [2023-11-23 21:15:46,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:46,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:15:46,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:46,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:15:46,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:15:46,844 INFO L87 Difference]: Start difference. First operand has 60 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 21:15:48,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:48,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:48,529 INFO L93 Difference]: Finished difference Result 118 states and 206 transitions. [2023-11-23 21:15:48,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:15:48,532 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 142 [2023-11-23 21:15:48,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:48,540 INFO L225 Difference]: With dead ends: 118 [2023-11-23 21:15:48,540 INFO L226 Difference]: Without dead ends: 57 [2023-11-23 21:15:48,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:15:48,548 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:48,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 21:15:48,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-23 21:15:48,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-23 21:15:48,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:15:48,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2023-11-23 21:15:48,602 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 142 [2023-11-23 21:15:48,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:48,603 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2023-11-23 21:15:48,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 21:15:48,604 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2023-11-23 21:15:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-23 21:15:48,608 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:48,608 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:48,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:48,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:48,819 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:48,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:48,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1522632360, now seen corresponding path program 1 times [2023-11-23 21:15:48,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:48,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144112640] [2023-11-23 21:15:48,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:48,821 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 [2023-11-23 21:15:48,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:48,823 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:15:48,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af233b9f-b991-4b42-96f6-12691d837de1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:49,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-23 21:15:49,432 INFO L285 TraceCheckSpWp]: Computing forward predicates...