./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.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_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/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_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/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_b949cc0c-a0f5-4cc2-9904-95c4c7622823/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 12ec80b88d13cbd20df6410c30aafcaf8554885c00373f899d9eea2626edd39d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:32,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:32,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:14:32,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:32,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:32,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:32,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:32,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:32,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:32,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:32,676 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:32,676 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:32,677 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:32,678 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:32,678 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:32,679 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:32,680 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:32,680 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:32,681 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:32,682 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:32,682 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:32,683 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:32,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:32,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:32,685 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:32,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:32,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:32,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:32,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:32,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:32,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:32,688 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:32,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:32,689 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:32,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:32,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:32,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:32,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:32,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:32,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:32,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:32,692 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:32,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:32,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:32,693 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:32,693 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:32,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:32,694 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_b949cc0c-a0f5-4cc2-9904-95c4c7622823/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12ec80b88d13cbd20df6410c30aafcaf8554885c00373f899d9eea2626edd39d [2023-11-23 21:14:33,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:33,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:33,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:33,067 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:33,068 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:33,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i [2023-11-23 21:14:36,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:36,342 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:36,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i [2023-11-23 21:14:36,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/data/190db435d/a366e16d79834a45bf79a2c17afa5f13/FLAGa7821a4f2 [2023-11-23 21:14:36,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/data/190db435d/a366e16d79834a45bf79a2c17afa5f13 [2023-11-23 21:14:36,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:36,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:36,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:36,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:36,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:36,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc3bc9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36, skipping insertion in model container [2023-11-23 21:14:36,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,429 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:36,597 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_b949cc0c-a0f5-4cc2-9904-95c4c7622823/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i[916,929] [2023-11-23 21:14:36,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:36,692 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:36,711 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_b949cc0c-a0f5-4cc2-9904-95c4c7622823/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i[916,929] [2023-11-23 21:14:36,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:36,791 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:36,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36 WrapperNode [2023-11-23 21:14:36,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:36,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:36,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:36,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:36,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,860 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-11-23 21:14:36,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:36,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:36,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:36,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:36,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:36,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:36,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:36,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:36,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:36,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:36,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:36,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:37,150 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:37,153 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:37,771 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:38,140 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:38,140 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:38,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:38 BoogieIcfgContainer [2023-11-23 21:14:38,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:38,145 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:38,146 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:38,149 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:38,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:36" (1/3) ... [2023-11-23 21:14:38,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a2d664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:38, skipping insertion in model container [2023-11-23 21:14:38,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36" (2/3) ... [2023-11-23 21:14:38,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a2d664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:38, skipping insertion in model container [2023-11-23 21:14:38,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:38" (3/3) ... [2023-11-23 21:14:38,153 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-55.i [2023-11-23 21:14:38,175 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:38,175 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:38,229 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:38,237 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;@2cc6972e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:38,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 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 21:14:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-23 21:14:38,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:38,257 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] [2023-11-23 21:14:38,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:38,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:38,262 INFO L85 PathProgramCache]: Analyzing trace with hash 914757769, now seen corresponding path program 1 times [2023-11-23 21:14:38,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:38,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692134525] [2023-11-23 21:14:38,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:38,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:38,520 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:14:38,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2076083372] [2023-11-23 21:14:38,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:38,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:38,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:38,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:14:38,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:14:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:39,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:14:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:39,292 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:14:39,295 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:14:39,296 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:14:39,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:14:39,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:39,506 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:14:39,510 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:14:39,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:14:39 BoogieIcfgContainer [2023-11-23 21:14:39,659 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:14:39,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:14:39,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:14:39,660 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:14:39,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:38" (3/4) ... [2023-11-23 21:14:39,663 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:14:39,664 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:14:39,666 INFO L158 Benchmark]: Toolchain (without parser) took 3287.74ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 131.9MB in the beginning and 133.2MB in the end (delta: -1.3MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-11-23 21:14:39,666 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:39,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.29ms. Allocated memory is still 163.6MB. Free memory was 130.9MB in the beginning and 115.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:14:39,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.27ms. Allocated memory is still 163.6MB. Free memory was 115.4MB in the beginning and 112.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:14:39,669 INFO L158 Benchmark]: Boogie Preprocessor took 44.47ms. Allocated memory is still 163.6MB. Free memory was 112.2MB in the beginning and 110.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:14:39,669 INFO L158 Benchmark]: RCFGBuilder took 1236.33ms. Allocated memory is still 163.6MB. Free memory was 110.1MB in the beginning and 67.4MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 21:14:39,670 INFO L158 Benchmark]: TraceAbstraction took 1514.02ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 66.4MB in the beginning and 134.3MB in the end (delta: -67.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:39,671 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 197.1MB. Free memory was 134.3MB in the beginning and 133.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:39,675 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.29ms. Allocated memory is still 163.6MB. Free memory was 130.9MB in the beginning and 115.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.27ms. Allocated memory is still 163.6MB. Free memory was 115.4MB in the beginning and 112.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.47ms. Allocated memory is still 163.6MB. Free memory was 112.2MB in the beginning and 110.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1236.33ms. Allocated memory is still 163.6MB. Free memory was 110.1MB in the beginning and 67.4MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1514.02ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 66.4MB in the beginning and 134.3MB in the end (delta: -67.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 197.1MB. Free memory was 134.3MB in the beginning and 133.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of bitwiseAnd at line 124. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -2; [L23] signed char var_1_4 = 0; [L24] signed char var_1_5 = -5; [L25] signed short int var_1_6 = -32; [L26] signed char var_1_7 = 8; [L27] unsigned char var_1_8 = 2; [L28] float var_1_10 = 15.6; [L29] unsigned char var_1_11 = 10; [L30] unsigned short int var_1_12 = 64; [L31] signed long int var_1_13 = -8; [L32] unsigned long int var_1_14 = 64; [L33] float var_1_17 = 9.75; [L34] float var_1_18 = 0.5; [L35] signed short int var_1_19 = -128; [L36] unsigned char var_1_21 = 1; [L37] unsigned long int var_1_22 = 3552880340; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 1; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 0; [L43] unsigned char var_1_28 = 1; [L44] unsigned char var_1_29 = 0; [L45] signed short int var_1_30 = 10; [L46] float var_1_31 = 99.25; [L47] signed long int var_1_32 = 256; [L48] signed short int last_1_var_1_6 = -32; [L49] signed long int last_1_var_1_13 = -8; [L50] unsigned long int last_1_var_1_14 = 64; [L51] float last_1_var_1_17 = 9.75; [L52] signed short int last_1_var_1_19 = -128; [L53] unsigned char last_1_var_1_21 = 1; [L54] float last_1_var_1_31 = 99.25; [L55] signed long int last_1_var_1_32 = 256; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] CALL updateLastVariables() [L175] last_1_var_1_6 = var_1_6 [L176] last_1_var_1_13 = var_1_13 [L177] last_1_var_1_14 = var_1_14 [L178] last_1_var_1_17 = var_1_17 [L179] last_1_var_1_19 = var_1_19 [L180] last_1_var_1_21 = var_1_21 [L181] last_1_var_1_31 = var_1_31 [L182] last_1_var_1_32 = var_1_32 [L192] RET updateLastVariables() [L193] CALL updateVariables() [L137] var_1_4 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-5, var_1_6=-32, var_1_7=8, var_1_8=2] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-5, var_1_6=-32, var_1_7=8, var_1_8=2] [L139] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-5, var_1_6=-32, var_1_7=8, var_1_8=2] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-5, var_1_6=-32, var_1_7=8, var_1_8=2] [L140] var_1_5 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_5 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=8, var_1_8=2] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_5 >= -63) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=8, var_1_8=2] [L142] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=8, var_1_8=2] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=8, var_1_8=2] [L143] var_1_7 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_7 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_7 >= -128) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L145] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L146] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L147] var_1_10 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L149] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L150] var_1_11 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L152] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L153] var_1_18 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L155] var_1_22 = __VERIFIER_nondet_ulong() [L156] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L157] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L158] var_1_23 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L160] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L161] var_1_24 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L163] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L164] var_1_26 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L166] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L167] var_1_27 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L169] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L170] var_1_29 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L172] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-17, var_1_6=-32, var_1_7=18, var_1_8=2] [L193] RET updateVariables() [L194] CALL step() [L59] COND FALSE !(-2 == last_1_var_1_32) [L66] var_1_1 = (var_1_5 + 5) [L68] var_1_32 = var_1_1 [L69] COND FALSE !(var_1_5 > (last_1_var_1_13 % var_1_7)) [L72] var_1_6 = (var_1_5 + var_1_7) [L74] unsigned char stepLocal_4 = (- var_1_18) > last_1_var_1_31; [L75] COND TRUE last_1_var_1_21 || stepLocal_4 [L76] COND FALSE !(! last_1_var_1_21) [L79] var_1_25 = var_1_24 [L84] var_1_12 = var_1_11 [L85] var_1_30 = var_1_1 [L86] var_1_31 = 24.4f [L87] unsigned char stepLocal_0 = (var_1_31 / var_1_10) < 255.625f; [L88] COND TRUE stepLocal_0 && (var_1_7 < (var_1_5 * -100)) [L89] var_1_8 = (((((128 - var_1_4)) > (var_1_11)) ? ((128 - var_1_4)) : (var_1_11))) [L93] signed char stepLocal_5 = var_1_7; [L94] COND FALSE !(stepLocal_5 <= (~ var_1_1)) [L97] var_1_28 = ((var_1_31 == 8.5f) || (var_1_29 && var_1_24)) [L99] COND TRUE var_1_25 || var_1_28 [L100] var_1_14 = ((last_1_var_1_14 + 1u) + var_1_11) [L102] COND TRUE (64 - ((((-64) < 0 ) ? -(-64) : (-64)))) <= (var_1_14 + (var_1_8 * var_1_4)) [L103] var_1_17 = 100.5f [L107] COND FALSE !((var_1_31 + (var_1_10 + var_1_31)) > (var_1_18 * var_1_17)) [L114] signed char stepLocal_1 = var_1_5; [L115] COND FALSE !(((last_1_var_1_6 * var_1_11) / 10) <= stepLocal_1) [L118] COND TRUE (- (- last_1_var_1_17)) < var_1_10 [L119] var_1_13 = (var_1_7 + var_1_5) [L124] EXPR 256u & var_1_13 [L124] unsigned char stepLocal_3 = (256u & var_1_13) == (var_1_22 - var_1_12); [L125] unsigned short int stepLocal_2 = var_1_12; [L126] COND TRUE stepLocal_3 || var_1_25 [L127] COND TRUE var_1_13 != stepLocal_2 [L128] var_1_21 = var_1_23 [L194] RET step() [L195] CALL, EXPR property() [L185] EXPR (((((((((-2 == last_1_var_1_32) ? (((last_1_var_1_32 * last_1_var_1_6) <= -500) ? (var_1_1 == ((signed char) ((((2 - var_1_4) < 0 ) ? -(2 - var_1_4) : (2 - var_1_4))))) : (var_1_1 == ((signed char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) : (var_1_1 == ((signed char) (var_1_5 + 5)))) && ((var_1_5 > (last_1_var_1_13 % var_1_7)) ? (var_1_6 == ((signed short int) var_1_5)) : (var_1_6 == ((signed short int) (var_1_5 + var_1_7))))) && ((((var_1_31 / var_1_10) < 255.625f) && (var_1_7 < (var_1_5 * -100))) ? (var_1_8 == ((unsigned char) (((((128 - var_1_4)) > (var_1_11)) ? ((128 - var_1_4)) : (var_1_11))))) : (var_1_8 == ((unsigned char) var_1_4)))) && (var_1_12 == ((unsigned short int) var_1_11))) && ((((last_1_var_1_6 * var_1_11) / 10) <= var_1_5) ? (var_1_13 == ((signed long int) (var_1_7 + (var_1_11 - ((((last_1_var_1_13) < (last_1_var_1_32)) ? (last_1_var_1_13) : (last_1_var_1_32))))))) : (((- (- last_1_var_1_17)) < var_1_10) ? (var_1_13 == ((signed long int) (var_1_7 + var_1_5))) : (var_1_13 == ((signed long int) var_1_4))))) && ((var_1_25 || var_1_28) ? (var_1_14 == ((unsigned long int) ((last_1_var_1_14 + 1u) + var_1_11))) : 1)) && (((64 - ((((-64) < 0 ) ? -(-64) : (-64)))) <= (var_1_14 + (var_1_8 * var_1_4))) ? (var_1_17 == ((float) 100.5f)) : (var_1_17 == ((float) var_1_18)))) && (((var_1_31 + (var_1_10 + var_1_31)) > (var_1_18 * var_1_17)) ? (var_1_25 ? (var_1_19 == ((signed short int) var_1_7)) : (var_1_19 == ((signed short int) last_1_var_1_19))) : 1)) && ((((256u & var_1_13) == (var_1_22 - var_1_12)) || var_1_25) ? ((var_1_13 != var_1_12) ? (var_1_21 == ((unsigned char) var_1_23)) : (var_1_21 == ((unsigned char) var_1_23))) : (var_1_21 == ((unsigned char) var_1_24))) [L185-L186] return ((((((((((((((-2 == last_1_var_1_32) ? (((last_1_var_1_32 * last_1_var_1_6) <= -500) ? (var_1_1 == ((signed char) ((((2 - var_1_4) < 0 ) ? -(2 - var_1_4) : (2 - var_1_4))))) : (var_1_1 == ((signed char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) : (var_1_1 == ((signed char) (var_1_5 + 5)))) && ((var_1_5 > (last_1_var_1_13 % var_1_7)) ? (var_1_6 == ((signed short int) var_1_5)) : (var_1_6 == ((signed short int) (var_1_5 + var_1_7))))) && ((((var_1_31 / var_1_10) < 255.625f) && (var_1_7 < (var_1_5 * -100))) ? (var_1_8 == ((unsigned char) (((((128 - var_1_4)) > (var_1_11)) ? ((128 - var_1_4)) : (var_1_11))))) : (var_1_8 == ((unsigned char) var_1_4)))) && (var_1_12 == ((unsigned short int) var_1_11))) && ((((last_1_var_1_6 * var_1_11) / 10) <= var_1_5) ? (var_1_13 == ((signed long int) (var_1_7 + (var_1_11 - ((((last_1_var_1_13) < (last_1_var_1_32)) ? (last_1_var_1_13) : (last_1_var_1_32))))))) : (((- (- last_1_var_1_17)) < var_1_10) ? (var_1_13 == ((signed long int) (var_1_7 + var_1_5))) : (var_1_13 == ((signed long int) var_1_4))))) && ((var_1_25 || var_1_28) ? (var_1_14 == ((unsigned long int) ((last_1_var_1_14 + 1u) + var_1_11))) : 1)) && (((64 - ((((-64) < 0 ) ? -(-64) : (-64)))) <= (var_1_14 + (var_1_8 * var_1_4))) ? (var_1_17 == ((float) 100.5f)) : (var_1_17 == ((float) var_1_18)))) && (((var_1_31 + (var_1_10 + var_1_31)) > (var_1_18 * var_1_17)) ? (var_1_25 ? (var_1_19 == ((signed short int) var_1_7)) : (var_1_19 == ((signed short int) last_1_var_1_19))) : 1)) && ((((256u & var_1_13) == (var_1_22 - var_1_12)) || var_1_25) ? ((var_1_13 != var_1_12) ? (var_1_21 == ((unsigned char) var_1_23)) : (var_1_21 == ((unsigned char) var_1_23))) : (var_1_21 == ((unsigned char) var_1_24)))) && ((last_1_var_1_21 || ((- var_1_18) > last_1_var_1_31)) ? ((! last_1_var_1_21) ? (var_1_25 == ((unsigned char) ((var_1_23 || var_1_26) || var_1_27))) : (var_1_25 == ((unsigned char) var_1_24))) : (var_1_25 == ((unsigned char) var_1_24)))) && ((var_1_7 <= (~ var_1_1)) ? (var_1_28 == ((unsigned char) (! (! (var_1_24 && var_1_29))))) : (var_1_28 == ((unsigned char) ((var_1_31 == 8.5f) || (var_1_29 && var_1_24)))))) && (var_1_30 == ((signed short int) var_1_1))) && (var_1_31 == ((float) 24.4f))) && (var_1_32 == ((signed long int) var_1_1)) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=5, var_1_13=1, var_1_14=70, var_1_17=201/2, var_1_19=-128, var_1_1=-12, var_1_21=0, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=-12, var_1_31=122/5, var_1_32=-12, var_1_4=126, var_1_5=-17, var_1_6=1, var_1_7=18, var_1_8=5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=5, var_1_12=5, var_1_13=1, var_1_14=70, var_1_17=201/2, var_1_19=-128, var_1_1=-12, var_1_21=0, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=-12, var_1_31=122/5, var_1_32=-12, var_1_4=126, var_1_5=-17, var_1_6=1, var_1_7=18, var_1_8=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:14:39,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/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_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/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_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/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_b949cc0c-a0f5-4cc2-9904-95c4c7622823/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 12ec80b88d13cbd20df6410c30aafcaf8554885c00373f899d9eea2626edd39d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:42,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:42,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:14:42,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:42,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:42,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:42,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:42,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:42,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:42,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:42,542 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:42,543 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:42,544 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:42,545 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:42,546 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:42,546 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:42,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:42,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:42,548 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:42,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:42,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:42,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:42,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:42,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:42,552 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:14:42,552 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:14:42,553 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:14:42,553 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:42,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:42,554 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:42,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:42,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:14:42,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:42,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:42,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:42,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:42,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:42,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:42,558 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:14:42,559 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:14:42,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:42,560 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:42,560 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:42,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:42,561 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_b949cc0c-a0f5-4cc2-9904-95c4c7622823/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12ec80b88d13cbd20df6410c30aafcaf8554885c00373f899d9eea2626edd39d [2023-11-23 21:14:43,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:43,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:43,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:43,047 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:43,047 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:43,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i [2023-11-23 21:14:46,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:46,671 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:46,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i [2023-11-23 21:14:46,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/data/b2a50db0f/81be455b92174733acc615b5c7ef2fc6/FLAG257484c8c [2023-11-23 21:14:46,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/data/b2a50db0f/81be455b92174733acc615b5c7ef2fc6 [2023-11-23 21:14:46,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:46,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:46,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:46,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:46,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:46,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:46,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18afafa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46, skipping insertion in model container [2023-11-23 21:14:46,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:46,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:46,908 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_b949cc0c-a0f5-4cc2-9904-95c4c7622823/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i[916,929] [2023-11-23 21:14:46,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:47,004 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:47,018 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_b949cc0c-a0f5-4cc2-9904-95c4c7622823/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i[916,929] [2023-11-23 21:14:47,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:47,096 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:47,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:47 WrapperNode [2023-11-23 21:14:47,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:47,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:47,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:47,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:47,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:47" (1/1) ... [2023-11-23 21:14:47,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:47" (1/1) ... [2023-11-23 21:14:47,174 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-23 21:14:47,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:47,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:47,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:47,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:47,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:47" (1/1) ... [2023-11-23 21:14:47,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:47" (1/1) ... [2023-11-23 21:14:47,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:47" (1/1) ... [2023-11-23 21:14:47,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:47" (1/1) ... [2023-11-23 21:14:47,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:47" (1/1) ... [2023-11-23 21:14:47,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:47" (1/1) ... [2023-11-23 21:14:47,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:47" (1/1) ... [2023-11-23 21:14:47,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:47" (1/1) ... [2023-11-23 21:14:47,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:47,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:47,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:47,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:47,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:47" (1/1) ... [2023-11-23 21:14:47,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:47,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:47,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:47,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:47,341 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:47,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:47,433 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:47,436 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:52,803 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:52,929 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:52,931 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:52,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:52 BoogieIcfgContainer [2023-11-23 21:14:52,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:52,935 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:52,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:52,939 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:52,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:46" (1/3) ... [2023-11-23 21:14:52,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e67226f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:52, skipping insertion in model container [2023-11-23 21:14:52,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:47" (2/3) ... [2023-11-23 21:14:52,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e67226f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:52, skipping insertion in model container [2023-11-23 21:14:52,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:52" (3/3) ... [2023-11-23 21:14:52,949 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-55.i [2023-11-23 21:14:52,965 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:52,965 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:53,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:53,026 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;@5cd008e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:53,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:53,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 44 states have internal predecessors, (63), 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 21:14:53,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-23 21:14:53,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:53,050 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] [2023-11-23 21:14:53,051 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:53,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:53,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1092782426, now seen corresponding path program 1 times [2023-11-23 21:14:53,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:53,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293880270] [2023-11-23 21:14:53,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:53,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:14:53,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:53,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:14:53,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:14:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:53,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:14:53,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:53,862 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 21:14:53,862 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:53,863 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:14:53,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1293880270] [2023-11-23 21:14:53,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1293880270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:53,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:53,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:53,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328047903] [2023-11-23 21:14:53,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:53,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:14:53,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:14:53,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:14:53,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:14:53,939 INFO L87 Difference]: Start difference. First operand has 70 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 44 states have internal predecessors, (63), 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 20.0) internal successors, (40), 2 states have internal predecessors, (40), 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 21:14:56,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:56,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:56,148 INFO L93 Difference]: Finished difference Result 137 states and 244 transitions. [2023-11-23 21:14:56,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:14:56,188 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 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 153 [2023-11-23 21:14:56,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:56,196 INFO L225 Difference]: With dead ends: 137 [2023-11-23 21:14:56,196 INFO L226 Difference]: Without dead ends: 68 [2023-11-23 21:14:56,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:14:56,204 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:56,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 21:14:56,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-23 21:14:56,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-23 21:14:56,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 42 states have internal predecessors, (57), 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 21:14:56,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 105 transitions. [2023-11-23 21:14:56,254 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 105 transitions. Word has length 153 [2023-11-23 21:14:56,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:56,255 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 105 transitions. [2023-11-23 21:14:56,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 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 21:14:56,256 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-11-23 21:14:56,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-23 21:14:56,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:56,260 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] [2023-11-23 21:14:56,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/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 21:14:56,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:14:56,474 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:56,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:56,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1670067486, now seen corresponding path program 1 times [2023-11-23 21:14:56,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:56,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829028800] [2023-11-23 21:14:56,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:56,477 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:14:56,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:56,479 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:14:56,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:14:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:57,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:14:57,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:58,512 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 21:14:58,513 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:58,513 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:14:58,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829028800] [2023-11-23 21:14:58,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829028800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:58,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:58,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:58,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726482893] [2023-11-23 21:14:58,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:58,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:14:58,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:14:58,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:14:58,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:14:58,518 INFO L87 Difference]: Start difference. First operand 68 states and 105 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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 21:15:00,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:02,882 WARN L539 Checker$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 21:15:05,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:07,118 WARN L539 Checker$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 21:15:09,122 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 21:15:09,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:09,123 INFO L93 Difference]: Finished difference Result 203 states and 314 transitions. [2023-11-23 21:15:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:15:09,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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 153 [2023-11-23 21:15:09,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:09,166 INFO L225 Difference]: With dead ends: 203 [2023-11-23 21:15:09,166 INFO L226 Difference]: Without dead ends: 136 [2023-11-23 21:15:09,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:15:09,169 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 80 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 50 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:09,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 297 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 13 Invalid, 5 Unknown, 0 Unchecked, 10.5s Time] [2023-11-23 21:15:09,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-23 21:15:09,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 116. [2023-11-23 21:15:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 65 states have internal predecessors, (83), 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 21:15:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 179 transitions. [2023-11-23 21:15:09,219 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 179 transitions. Word has length 153 [2023-11-23 21:15:09,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:09,220 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 179 transitions. [2023-11-23 21:15:09,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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 21:15:09,221 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 179 transitions. [2023-11-23 21:15:09,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-23 21:15:09,228 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:09,229 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] [2023-11-23 21:15:09,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:09,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:15:09,442 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:09,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:09,443 INFO L85 PathProgramCache]: Analyzing trace with hash 306966038, now seen corresponding path program 1 times [2023-11-23 21:15:09,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:09,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751587103] [2023-11-23 21:15:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:09,445 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:15:09,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:09,447 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:15:09,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/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 21:15:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:10,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:15:10,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 512 proven. 36 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2023-11-23 21:15:11,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-23 21:15:12,409 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:12,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [751587103] [2023-11-23 21:15:12,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [751587103] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:12,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1737014959] [2023-11-23 21:15:12,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:12,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:15:12,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:15:12,562 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:15:12,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:15:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:13,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:15:13,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:14,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-23 21:15:14,498 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-23 21:15:15,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1737014959] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:15,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343683918] [2023-11-23 21:15:15,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:15,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:15,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:15,032 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:15,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b949cc0c-a0f5-4cc2-9904-95c4c7622823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 21:15:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:15,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:15:15,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:15,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-23 21:15:15,960 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-23 21:15:16,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343683918] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:16,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:15:16,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6, 6, 6, 6] total 12 [2023-11-23 21:15:16,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422818036] [2023-11-23 21:15:16,502 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:15:16,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 21:15:16,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:16,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 21:15:16,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:15:16,506 INFO L87 Difference]: Start difference. First operand 116 states and 179 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 3 states have call successors, (37), 3 states have call predecessors, (37), 6 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-23 21:15:20,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:22,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:24,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:28,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:30,417 WARN L539 Checker$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 21:15:32,421 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 []