./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.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_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:34:35,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:35,528 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:34:35,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:35,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:35,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:35,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:35,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:35,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:35,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:35,574 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:35,575 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:35,575 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:35,580 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:34:35,580 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:35,581 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:35,581 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:34:35,582 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:34:35,582 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:35,583 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:34:35,585 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:34:35,585 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:34:35,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:35,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:34:35,588 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:34:35,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:34:35,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:34:35,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:35,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:34:35,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:35,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:34:35,592 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:34:35,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:34:35,592 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:35,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:35,593 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:34:35,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:35,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:35,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:35,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:35,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:34:35,595 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:34:35,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:34:35,596 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:35,596 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:34:35,596 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:35,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:35,597 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_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 [2023-11-23 20:34:35,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:35,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:35,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:35,891 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:35,892 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:35,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-23 20:34:39,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:39,339 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:39,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-23 20:34:39,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/data/8ea3afd10/642ac91d17e3486083bd56457f63905d/FLAGdc74fcf6f [2023-11-23 20:34:39,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/data/8ea3afd10/642ac91d17e3486083bd56457f63905d [2023-11-23 20:34:39,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:39,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:39,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:39,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:39,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:39,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:39" (1/1) ... [2023-11-23 20:34:39,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b901e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39, skipping insertion in model container [2023-11-23 20:34:39,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:39" (1/1) ... [2023-11-23 20:34:39,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:39,569 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_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-23 20:34:39,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:39,685 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:34:39,697 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_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-23 20:34:39,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:39,769 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:34:39,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39 WrapperNode [2023-11-23 20:34:39,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:39,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:39,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:34:39,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:34:39,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39" (1/1) ... [2023-11-23 20:34:39,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39" (1/1) ... [2023-11-23 20:34:39,863 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 235 [2023-11-23 20:34:39,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:39,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:34:39,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:34:39,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:34:39,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39" (1/1) ... [2023-11-23 20:34:39,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39" (1/1) ... [2023-11-23 20:34:39,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39" (1/1) ... [2023-11-23 20:34:39,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39" (1/1) ... [2023-11-23 20:34:39,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39" (1/1) ... [2023-11-23 20:34:39,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39" (1/1) ... [2023-11-23 20:34:39,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39" (1/1) ... [2023-11-23 20:34:39,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39" (1/1) ... [2023-11-23 20:34:39,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:34:39,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:34:39,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:34:39,931 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:34:39,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39" (1/1) ... [2023-11-23 20:34:39,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:39,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:39,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:34:39,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:34:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:34:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:34:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:34:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:34:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:34:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:34:40,142 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:34:40,144 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:34:40,795 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:34:41,308 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:34:41,309 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:34:41,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:41 BoogieIcfgContainer [2023-11-23 20:34:41,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:34:41,316 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:34:41,316 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:34:41,320 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:34:41,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:34:39" (1/3) ... [2023-11-23 20:34:41,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317f4a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:41, skipping insertion in model container [2023-11-23 20:34:41,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:39" (2/3) ... [2023-11-23 20:34:41,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317f4a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:41, skipping insertion in model container [2023-11-23 20:34:41,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:41" (3/3) ... [2023-11-23 20:34:41,325 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-23 20:34:41,347 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:34:41,347 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:34:41,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:34:41,426 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;@2cddd7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:34:41,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:34:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 20:34:41,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-23 20:34:41,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:41,448 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:34:41,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:41,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:41,460 INFO L85 PathProgramCache]: Analyzing trace with hash -644983045, now seen corresponding path program 1 times [2023-11-23 20:34:41,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:34:41,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501581247] [2023-11-23 20:34:41,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:41,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:34:41,660 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:34:41,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410028677] [2023-11-23 20:34:41,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:41,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:34:41,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:41,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:34:41,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:34:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:34:42,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:34:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:34:42,270 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:34:42,273 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:34:42,274 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:34:42,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:34:42,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:34:42,490 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:34:42,493 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:34:42,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:34:42 BoogieIcfgContainer [2023-11-23 20:34:42,613 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:34:42,614 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:34:42,614 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:34:42,614 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:34:42,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:41" (3/4) ... [2023-11-23 20:34:42,617 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:34:42,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:34:42,620 INFO L158 Benchmark]: Toolchain (without parser) took 3248.54ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 78.5MB in the beginning and 95.7MB in the end (delta: -17.3MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2023-11-23 20:34:42,620 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:34:42,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.45ms. Allocated memory is still 123.7MB. Free memory was 78.0MB in the beginning and 61.8MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:34:42,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.62ms. Allocated memory is still 123.7MB. Free memory was 61.8MB in the beginning and 56.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:34:42,622 INFO L158 Benchmark]: Boogie Preprocessor took 65.83ms. Allocated memory is still 123.7MB. Free memory was 56.1MB in the beginning and 53.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:34:42,623 INFO L158 Benchmark]: RCFGBuilder took 1380.03ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 53.5MB in the beginning and 147.1MB in the end (delta: -93.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2023-11-23 20:34:42,630 INFO L158 Benchmark]: TraceAbstraction took 1297.90ms. Allocated memory is still 197.1MB. Free memory was 146.1MB in the beginning and 95.7MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-23 20:34:42,631 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 197.1MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:34:42,634 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.45ms. Allocated memory is still 123.7MB. Free memory was 78.0MB in the beginning and 61.8MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.62ms. Allocated memory is still 123.7MB. Free memory was 61.8MB in the beginning and 56.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.83ms. Allocated memory is still 123.7MB. Free memory was 56.1MB in the beginning and 53.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1380.03ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 53.5MB in the beginning and 147.1MB in the end (delta: -93.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1297.90ms. Allocated memory is still 197.1MB. Free memory was 146.1MB in the beginning and 95.7MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 197.1MB. Free memory is still 95.7MB. 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 someBinaryArithmeticDOUBLEoperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 178, overapproximation of bitwiseOr at line 101, overapproximation of bitwiseAnd at line 113, overapproximation of someUnaryDOUBLEoperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticFLOAToperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_8 = 0; [L24] unsigned char var_1_9 = 1; [L25] signed short int var_1_10 = 1000; [L26] signed long int var_1_11 = -10; [L27] signed short int var_1_12 = 16; [L28] signed short int var_1_14 = 0; [L29] double var_1_16 = 7.3; [L30] double var_1_17 = 0.2; [L31] float var_1_18 = 3.5; [L32] float var_1_19 = 128.2; [L33] float var_1_20 = 5.8; [L34] signed char var_1_21 = 16; [L35] unsigned char var_1_22 = 1; [L36] signed long int var_1_23 = -128; [L37] unsigned short int var_1_24 = 128; [L38] float var_1_26 = 31.25; [L39] float var_1_27 = 0.6; [L40] float var_1_28 = 127.2; [L41] float var_1_29 = 128.18; [L42] float var_1_30 = 31.8; [L43] unsigned char var_1_31 = 25; [L44] unsigned char var_1_33 = 5; [L45] unsigned char var_1_34 = 2; [L46] unsigned char var_1_35 = 128; [L47] unsigned char last_1_var_1_1 = 1; [L48] signed short int last_1_var_1_14 = 0; [L49] signed long int last_1_var_1_23 = -128; [L50] unsigned char last_1_var_1_31 = 25; [L182] isInitial = 1 [L183] FCALL initially() [L184] int k_loop; [L185] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L185] COND TRUE k_loop < 1 [L186] CALL updateLastVariables() [L172] last_1_var_1_1 = var_1_1 [L173] last_1_var_1_14 = var_1_14 [L174] last_1_var_1_23 = var_1_23 [L175] last_1_var_1_31 = var_1_31 [L186] RET updateLastVariables() [L187] CALL updateVariables() [L132] var_1_8 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_9=1] [L134] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L135] var_1_9 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L137] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L138] var_1_11 = __VERIFIER_nondet_long() [L139] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L140] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L142] var_1_12 = __VERIFIER_nondet_short() [L143] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_12 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_12 <= 32766) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L145] var_1_17 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L147] var_1_19 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L149] var_1_21 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_21 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_21 >= -128) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L151] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L152] CALL assume_abort_if_not(var_1_21 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_21 != 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L153] var_1_27 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_27 >= -115292.1504606845700e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 1152921.504606845700e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_27 >= -115292.1504606845700e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 1152921.504606845700e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L155] var_1_28 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_28 >= -115292.1504606845700e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 1152921.504606845700e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_28 >= -115292.1504606845700e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 1152921.504606845700e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L157] var_1_29 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L159] var_1_30 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L161] var_1_33 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_33 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=2, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_33 <= 64) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=2, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L164] var_1_34 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=2, var_1_35=128, var_1_8=0, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_34 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=2, var_1_34=0, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_34 <= 63) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=2, var_1_34=0, var_1_35=128, var_1_8=0, var_1_9=1] [L167] var_1_35 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_35 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=2, var_1_34=0, var_1_35=127, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_35 >= 127) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=2, var_1_34=0, var_1_35=127, var_1_8=0, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_35 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=2, var_1_34=0, var_1_35=127, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_35 <= 254) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=128, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=2, var_1_34=0, var_1_35=127, var_1_8=0, var_1_9=1] [L187] RET updateVariables() [L188] CALL step() [L54] COND TRUE (-16 * last_1_var_1_23) > (((((last_1_var_1_23) < (last_1_var_1_23)) ? (last_1_var_1_23) : (last_1_var_1_23))) / var_1_11) [L55] var_1_10 = ((((last_1_var_1_14) < (last_1_var_1_23)) ? (last_1_var_1_14) : (last_1_var_1_23))) [L59] signed long int stepLocal_8 = last_1_var_1_14; [L60] unsigned char stepLocal_7 = last_1_var_1_14 <= (last_1_var_1_14 * var_1_12); [L61] COND TRUE stepLocal_7 && last_1_var_1_1 [L62] COND FALSE !(last_1_var_1_31 <= stepLocal_8) [L69] var_1_31 = var_1_33 [L74] var_1_14 = (-2 + (last_1_var_1_31 + last_1_var_1_31)) [L75] unsigned char stepLocal_1 = var_1_31; [L76] COND FALSE !(stepLocal_1 == (-128 * var_1_31)) [L79] var_1_16 = var_1_17 [L81] COND FALSE !(\read(var_1_8)) [L84] var_1_26 = ((((var_1_17) < ((var_1_29 - var_1_30))) ? (var_1_17) : ((var_1_29 - var_1_30)))) [L86] signed short int stepLocal_6 = var_1_10; [L87] COND FALSE !(stepLocal_6 >= ((((var_1_11) < ((var_1_31 * var_1_14))) ? (var_1_11) : ((var_1_31 * var_1_14))))) [L90] var_1_24 = var_1_31 [L92] signed long int stepLocal_5 = 25 * var_1_14; [L93] COND TRUE ! (var_1_31 <= var_1_10) [L94] COND FALSE !(var_1_10 >= stepLocal_5) [L97] var_1_23 = ((var_1_10 + var_1_14) + var_1_24) [L100] unsigned char stepLocal_0 = ((((var_1_24) < (var_1_14)) ? (var_1_24) : (var_1_14))) > var_1_31; [L101] EXPR var_1_31 | var_1_24 [L101] COND TRUE ((var_1_31 | var_1_24) <= var_1_31) || stepLocal_0 [L102] var_1_1 = ((! 1) && var_1_8) [L106] unsigned char stepLocal_2 = var_1_31; [L107] COND TRUE ((var_1_24 + -16) * var_1_23) >= stepLocal_2 [L108] var_1_18 = (64.9f + var_1_19) [L112] signed long int stepLocal_3 = var_1_14 % var_1_21; [L113] EXPR var_1_31 & var_1_24 [L113] COND FALSE !(stepLocal_3 >= (var_1_31 & var_1_24)) [L116] var_1_20 = var_1_19 [L118] unsigned long int stepLocal_4 = ~ (var_1_31 * 128u); [L119] COND FALSE !(! (var_1_10 <= var_1_23)) [L128] var_1_22 = var_1_9 [L188] RET step() [L189] CALL, EXPR property() [L178] EXPR var_1_31 | var_1_24 [L178] EXPR ((((((((var_1_31 | var_1_24) <= var_1_31) || (((((var_1_24) < (var_1_14)) ? (var_1_24) : (var_1_14))) > var_1_31)) ? (var_1_1 == ((unsigned char) ((! 1) && var_1_8))) : (var_1_1 == ((unsigned char) var_1_9))) && (((-16 * last_1_var_1_23) > (((((last_1_var_1_23) < (last_1_var_1_23)) ? (last_1_var_1_23) : (last_1_var_1_23))) / var_1_11)) ? (var_1_10 == ((signed short int) ((((last_1_var_1_14) < (last_1_var_1_23)) ? (last_1_var_1_14) : (last_1_var_1_23))))) : (var_1_10 == ((signed short int) (last_1_var_1_31 - last_1_var_1_31))))) && (var_1_14 == ((signed short int) (-2 + (last_1_var_1_31 + last_1_var_1_31))))) && ((var_1_31 == (-128 * var_1_31)) ? (var_1_16 == ((double) (((((0.875 + (var_1_17 + 64.4))) > (1.0000000000000005E15)) ? ((0.875 + (var_1_17 + 64.4))) : (1.0000000000000005E15))))) : (var_1_16 == ((double) var_1_17)))) && ((((var_1_24 + -16) * var_1_23) >= var_1_31) ? (var_1_18 == ((float) (64.9f + var_1_19))) : (var_1_18 == ((float) var_1_17)))) && (((var_1_14 % var_1_21) >= (var_1_31 & var_1_24)) ? (var_1_20 == ((float) ((((((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) < (var_1_19)) ? (((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) : (var_1_19))))) : (var_1_20 == ((float) var_1_19))) [L178-L179] return (((((((((((((var_1_31 | var_1_24) <= var_1_31) || (((((var_1_24) < (var_1_14)) ? (var_1_24) : (var_1_14))) > var_1_31)) ? (var_1_1 == ((unsigned char) ((! 1) && var_1_8))) : (var_1_1 == ((unsigned char) var_1_9))) && (((-16 * last_1_var_1_23) > (((((last_1_var_1_23) < (last_1_var_1_23)) ? (last_1_var_1_23) : (last_1_var_1_23))) / var_1_11)) ? (var_1_10 == ((signed short int) ((((last_1_var_1_14) < (last_1_var_1_23)) ? (last_1_var_1_14) : (last_1_var_1_23))))) : (var_1_10 == ((signed short int) (last_1_var_1_31 - last_1_var_1_31))))) && (var_1_14 == ((signed short int) (-2 + (last_1_var_1_31 + last_1_var_1_31))))) && ((var_1_31 == (-128 * var_1_31)) ? (var_1_16 == ((double) (((((0.875 + (var_1_17 + 64.4))) > (1.0000000000000005E15)) ? ((0.875 + (var_1_17 + 64.4))) : (1.0000000000000005E15))))) : (var_1_16 == ((double) var_1_17)))) && ((((var_1_24 + -16) * var_1_23) >= var_1_31) ? (var_1_18 == ((float) (64.9f + var_1_19))) : (var_1_18 == ((float) var_1_17)))) && (((var_1_14 % var_1_21) >= (var_1_31 & var_1_24)) ? (var_1_20 == ((float) ((((((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) < (var_1_19)) ? (((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) : (var_1_19))))) : (var_1_20 == ((float) var_1_19)))) && ((! (var_1_10 <= var_1_23)) ? (var_1_1 ? (((~ (var_1_31 * 128u)) == var_1_23) ? (var_1_22 == ((unsigned char) (! var_1_9))) : 1) : (var_1_22 == ((unsigned char) var_1_9))) : (var_1_22 == ((unsigned char) var_1_9)))) && ((! (var_1_31 <= var_1_10)) ? ((var_1_10 >= (25 * var_1_14)) ? (var_1_23 == ((signed long int) ((((var_1_24) < (var_1_10)) ? (var_1_24) : (var_1_10))))) : (var_1_23 == ((signed long int) ((var_1_10 + var_1_14) + var_1_24)))) : 1)) && ((var_1_10 >= ((((var_1_11) < ((var_1_31 * var_1_14))) ? (var_1_11) : ((var_1_31 * var_1_14))))) ? (var_1_24 == ((unsigned short int) ((((var_1_31) < (var_1_31)) ? (var_1_31) : (var_1_31))))) : (var_1_24 == ((unsigned short int) var_1_31)))) && (var_1_8 ? (var_1_26 == ((float) (var_1_19 + ((var_1_27 + var_1_28) + var_1_17)))) : (var_1_26 == ((float) ((((var_1_17) < ((var_1_29 - var_1_30))) ? (var_1_17) : ((var_1_29 - var_1_30)))))))) && (((last_1_var_1_14 <= (last_1_var_1_14 * var_1_12)) && last_1_var_1_1) ? ((last_1_var_1_31 <= last_1_var_1_14) ? (((- var_1_19) >= var_1_17) ? (var_1_31 == ((unsigned char) (128 - ((((100) < ((var_1_33 + var_1_34))) ? (100) : ((var_1_33 + var_1_34))))))) : (var_1_31 == ((unsigned char) (var_1_35 - 5)))) : (var_1_31 == ((unsigned char) var_1_33))) : (var_1_31 == ((unsigned char) var_1_33))) ; [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=-128, var_1_11=128, var_1_12=-1, var_1_14=48, var_1_16=2, var_1_17=2, var_1_18=0, var_1_19=3, var_1_1=0, var_1_20=3, var_1_21=47, var_1_22=1, var_1_23=-78, var_1_24=2, var_1_26=2, var_1_31=2, var_1_33=2, var_1_34=0, var_1_35=127, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=-128, var_1_11=128, var_1_12=-1, var_1_14=48, var_1_16=2, var_1_17=2, var_1_18=0, var_1_19=3, var_1_1=0, var_1_20=3, var_1_21=47, var_1_22=1, var_1_23=-78, var_1_24=2, var_1_26=2, var_1_31=2, var_1_33=2, var_1_34=0, var_1_35=127, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 24, 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=47occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 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 20:34:42,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:34:45,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:45,556 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:34:45,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:45,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:45,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:45,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:45,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:45,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:45,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:45,619 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:45,619 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:45,620 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:45,622 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:45,622 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:45,622 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:45,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:45,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:34:45,625 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:34:45,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:34:45,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:45,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:34:45,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:45,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:34:45,628 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:34:45,628 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:34:45,629 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:34:45,629 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:34:45,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:34:45,630 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:45,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:45,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:34:45,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:34:45,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:45,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:45,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:45,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:45,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:34:45,634 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:34:45,635 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:34:45,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:45,636 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:34:45,636 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:45,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:45,636 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_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 [2023-11-23 20:34:46,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:46,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:46,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:46,143 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:46,144 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:46,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-23 20:34:49,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:50,056 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:50,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-23 20:34:50,068 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/data/0ca7c72e0/f9ba41789a024f3baa857c0427fcb066/FLAG44bf61f59 [2023-11-23 20:34:50,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/data/0ca7c72e0/f9ba41789a024f3baa857c0427fcb066 [2023-11-23 20:34:50,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:50,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:50,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:50,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:50,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:50,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63998785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50, skipping insertion in model container [2023-11-23 20:34:50,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,135 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:50,329 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_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-23 20:34:50,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:50,466 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:34:50,478 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_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-23 20:34:50,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:50,592 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:34:50,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50 WrapperNode [2023-11-23 20:34:50,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:50,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:50,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:34:50,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:34:50,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,681 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-23 20:34:50,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:50,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:34:50,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:34:50,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:34:50,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:34:50,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:34:50,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:34:50,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:34:50,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:50,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:50,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:34:50,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:34:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:34:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:34:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:34:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:34:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:34:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:34:50,929 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:34:50,932 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:34:59,469 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:34:59,552 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:34:59,553 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:34:59,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:59 BoogieIcfgContainer [2023-11-23 20:34:59,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:34:59,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:34:59,557 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:34:59,571 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:34:59,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:34:50" (1/3) ... [2023-11-23 20:34:59,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487bbb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:59, skipping insertion in model container [2023-11-23 20:34:59,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (2/3) ... [2023-11-23 20:34:59,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487bbb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:59, skipping insertion in model container [2023-11-23 20:34:59,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:59" (3/3) ... [2023-11-23 20:34:59,578 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-23 20:34:59,599 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:34:59,599 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:34:59,669 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:34:59,679 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;@383f4578, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:34:59,680 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:34:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 47 states have (on average 1.425531914893617) internal successors, (67), 48 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 20:34:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-23 20:34:59,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:59,709 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:34:59,710 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:59,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:59,717 INFO L85 PathProgramCache]: Analyzing trace with hash 300763807, now seen corresponding path program 1 times [2023-11-23 20:34:59,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:59,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634566708] [2023-11-23 20:34:59,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:59,736 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 20:34:59,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:59,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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 20:34:59,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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 20:35:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:00,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:35:00,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:00,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2023-11-23 20:35:00,870 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:00,871 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:00,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634566708] [2023-11-23 20:35:00,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634566708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:00,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:00,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:35:00,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214797411] [2023-11-23 20:35:00,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:00,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:35:00,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:00,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:35:00,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:35:00,913 INFO L87 Difference]: Start difference. First operand has 74 states, 47 states have (on average 1.425531914893617) internal successors, (67), 48 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 20:35:03,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:03,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:03,415 INFO L93 Difference]: Finished difference Result 147 states and 253 transitions. [2023-11-23 20:35:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:35:03,418 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 157 [2023-11-23 20:35:03,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:03,428 INFO L225 Difference]: With dead ends: 147 [2023-11-23 20:35:03,428 INFO L226 Difference]: Without dead ends: 72 [2023-11-23 20:35:03,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 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 20:35:03,435 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:03,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2023-11-23 20:35:03,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-23 20:35:03,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-23 20:35:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 20:35:03,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 110 transitions. [2023-11-23 20:35:03,490 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 110 transitions. Word has length 157 [2023-11-23 20:35:03,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:03,490 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 110 transitions. [2023-11-23 20:35:03,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 20:35:03,491 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2023-11-23 20:35:03,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-23 20:35:03,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:03,506 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:35:03,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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)] Ended with exit code 0 [2023-11-23 20:35:03,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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 20:35:03,708 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:03,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:03,709 INFO L85 PathProgramCache]: Analyzing trace with hash -505717549, now seen corresponding path program 1 times [2023-11-23 20:35:03,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:03,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761602571] [2023-11-23 20:35:03,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:03,711 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 20:35:03,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:03,712 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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 20:35:03,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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 20:35:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:04,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:35:04,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:10,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-23 20:35:10,036 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:10,036 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:10,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [761602571] [2023-11-23 20:35:10,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [761602571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:10,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:10,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:35:10,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186402968] [2023-11-23 20:35:10,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:10,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:35:10,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:10,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:35:10,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:35:10,042 INFO L87 Difference]: Start difference. First operand 72 states and 110 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-23 20:35:13,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:15,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:17,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:19,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:21,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:23,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:25,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:26,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:26,051 INFO L93 Difference]: Finished difference Result 215 states and 329 transitions. [2023-11-23 20:35:26,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:35:26,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2023-11-23 20:35:26,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:26,059 INFO L225 Difference]: With dead ends: 215 [2023-11-23 20:35:26,060 INFO L226 Difference]: Without dead ends: 144 [2023-11-23 20:35:26,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:35:26,063 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 101 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 49 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:26,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 353 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 81 Invalid, 7 Unknown, 0 Unchecked, 15.7s Time] [2023-11-23 20:35:26,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-23 20:35:26,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 118. [2023-11-23 20:35:26,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 67 states have internal predecessors, (84), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-23 20:35:26,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 180 transitions. [2023-11-23 20:35:26,101 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 180 transitions. Word has length 157 [2023-11-23 20:35:26,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:26,102 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 180 transitions. [2023-11-23 20:35:26,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-23 20:35:26,102 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2023-11-23 20:35:26,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-23 20:35:26,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:26,106 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:35:26,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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)] Ended with exit code 0 [2023-11-23 20:35:26,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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 20:35:26,312 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:26,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:26,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1952472861, now seen corresponding path program 1 times [2023-11-23 20:35:26,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:26,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459341732] [2023-11-23 20:35:26,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:26,315 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 20:35:26,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:26,316 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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 20:35:26,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/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 (4)] Waiting until timeout for monitored process [2023-11-23 20:35:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:27,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:35:27,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 113 proven. 66 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2023-11-23 20:35:29,431 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:35:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-23 20:35:30,670 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:30,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459341732] [2023-11-23 20:35:30,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459341732] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:35:30,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [214793527] [2023-11-23 20:35:30,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:30,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:35:30,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:35:30,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:35:30,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15688a0-cdd7-4eb8-8f9a-4b1f7103512c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:35:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:32,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:35:32,947 INFO L285 TraceCheckSpWp]: Computing forward predicates...