./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 9bd2c7ff 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_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 05:06:57,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:57,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:06:57,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:57,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:57,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:57,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:57,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:57,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:57,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:57,634 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:57,635 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:57,635 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:57,637 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:06:57,637 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:57,637 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:57,638 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:06:57,638 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:06:57,638 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:57,639 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:06:57,639 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:06:57,640 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:06:57,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:57,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:57,642 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:57,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:06:57,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:57,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:57,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:57,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:57,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:57,646 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:57,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:57,646 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:57,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:57,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:57,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:57,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:57,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:57,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:57,648 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:06:57,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:06:57,649 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:57,649 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:57,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:57,650 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_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12ec80b88d13cbd20df6410c30aafcaf8554885c00373f899d9eea2626edd39d [2023-11-19 05:06:57,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:57,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:57,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:57,989 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:57,989 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:57,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i [2023-11-19 05:07:01,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:07:01,550 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:07:01,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i [2023-11-19 05:07:01,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/data/ec11e6e78/df2649dd579646b6bd1e389e3fe58b60/FLAG0c369b52c [2023-11-19 05:07:01,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/data/ec11e6e78/df2649dd579646b6bd1e389e3fe58b60 [2023-11-19 05:07:01,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:07:01,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:07:01,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:01,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:07:01,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:07:01,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:01" (1/1) ... [2023-11-19 05:07:01,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eea2a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:01, skipping insertion in model container [2023-11-19 05:07:01,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:01" (1/1) ... [2023-11-19 05:07:01,682 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:07:01,921 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_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i[916,929] [2023-11-19 05:07:02,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:02,031 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:07:02,043 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_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i[916,929] [2023-11-19 05:07:02,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:02,106 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:07:02,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:02 WrapperNode [2023-11-19 05:07:02,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:02,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:02,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:07:02,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:07:02,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:02" (1/1) ... [2023-11-19 05:07:02,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:02" (1/1) ... [2023-11-19 05:07:02,172 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-11-19 05:07:02,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:02,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:07:02,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:07:02,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:07:02,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:02" (1/1) ... [2023-11-19 05:07:02,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:02" (1/1) ... [2023-11-19 05:07:02,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:02" (1/1) ... [2023-11-19 05:07:02,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:02" (1/1) ... [2023-11-19 05:07:02,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:02" (1/1) ... [2023-11-19 05:07:02,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:02" (1/1) ... [2023-11-19 05:07:02,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:02" (1/1) ... [2023-11-19 05:07:02,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:02" (1/1) ... [2023-11-19 05:07:02,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:07:02,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:07:02,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:07:02,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:07:02,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:02" (1/1) ... [2023-11-19 05:07:02,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:02,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:02,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:07:02,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:07:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:07:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:07:02,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:07:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:07:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:07:02,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:07:02,412 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:07:02,415 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:07:02,940 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:07:03,356 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:07:03,357 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:07:03,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:03 BoogieIcfgContainer [2023-11-19 05:07:03,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:07:03,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:07:03,364 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:07:03,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:07:03,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:07:01" (1/3) ... [2023-11-19 05:07:03,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecbfac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:03, skipping insertion in model container [2023-11-19 05:07:03,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:02" (2/3) ... [2023-11-19 05:07:03,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecbfac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:03, skipping insertion in model container [2023-11-19 05:07:03,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:03" (3/3) ... [2023-11-19 05:07:03,370 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-55.i [2023-11-19 05:07:03,387 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:07:03,388 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:07:03,442 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:07:03,449 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;@5e19d496, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:07:03,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:07:03,454 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) [2023-11-19 05:07:03,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 05:07:03,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:03,467 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] [2023-11-19 05:07:03,468 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:03,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:03,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1883101475, now seen corresponding path program 1 times [2023-11-19 05:07:03,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:03,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054008322] [2023-11-19 05:07:03,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:03,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:03,728 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:07:03,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [437561549] [2023-11-19 05:07:03,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:03,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:07:03,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:03,731 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:07:03,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:07:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:07:04,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:07:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:07:04,285 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:07:04,288 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:07:04,289 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:07:04,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:04,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:07:04,503 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:07:04,506 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:07:04,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:07:04 BoogieIcfgContainer [2023-11-19 05:07:04,640 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:07:04,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:07:04,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:07:04,641 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:07:04,642 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:03" (3/4) ... [2023-11-19 05:07:04,644 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:07:04,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:07:04,647 INFO L158 Benchmark]: Toolchain (without parser) took 3041.86ms. Allocated memory is still 176.2MB. Free memory was 132.5MB in the beginning and 60.7MB in the end (delta: 71.8MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2023-11-19 05:07:04,647 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory was 72.4MB in the beginning and 72.2MB in the end (delta: 179.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:04,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.31ms. Allocated memory is still 176.2MB. Free memory was 131.8MB in the beginning and 116.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:07:04,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.91ms. Allocated memory is still 176.2MB. Free memory was 116.3MB in the beginning and 113.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:07:04,650 INFO L158 Benchmark]: Boogie Preprocessor took 42.11ms. Allocated memory is still 176.2MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:07:04,651 INFO L158 Benchmark]: RCFGBuilder took 1145.78ms. Allocated memory is still 176.2MB. Free memory was 110.9MB in the beginning and 112.1MB in the end (delta: -1.2MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2023-11-19 05:07:04,651 INFO L158 Benchmark]: TraceAbstraction took 1277.07ms. Allocated memory is still 176.2MB. Free memory was 112.0MB in the beginning and 60.7MB in the end (delta: 51.3MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-19 05:07:04,652 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 176.2MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:04,656 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory was 72.4MB in the beginning and 72.2MB in the end (delta: 179.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.31ms. Allocated memory is still 176.2MB. Free memory was 131.8MB in the beginning and 116.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.91ms. Allocated memory is still 176.2MB. Free memory was 116.3MB in the beginning and 113.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.11ms. Allocated memory is still 176.2MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1145.78ms. Allocated memory is still 176.2MB. Free memory was 110.9MB in the beginning and 112.1MB in the end (delta: -1.2MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1277.07ms. Allocated memory is still 176.2MB. Free memory was 112.0MB in the beginning and 60.7MB in the end (delta: 51.3MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 176.2MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of 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=1, 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=1, 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=1, 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=1, 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=1, var_1_5=-7, 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=1, var_1_5=-7, 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=1, var_1_5=-7, 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=1, var_1_5=-7, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, 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=1, var_1_5=-7, var_1_6=-32, var_1_7=9, 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 TRUE var_1_5 > (last_1_var_1_13 % var_1_7) [L70] var_1_6 = var_1_5 [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 FALSE !(stepLocal_0 && (var_1_7 < (var_1_5 * -100))) [L91] var_1_8 = var_1_4 [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 FALSE !((- (- last_1_var_1_17)) < var_1_10) [L121] var_1_13 = var_1_4 [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 FALSE !(var_1_13 != stepLocal_2) [L130] 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_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=66, var_1_17=201/2, var_1_18=3, var_1_19=-128, var_1_1=-2, 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=-2, var_1_31=122/5, var_1_32=-2, var_1_4=1, var_1_5=-7, var_1_6=-7, var_1_7=9, var_1_8=1] [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_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=66, var_1_17=201/2, var_1_18=3, var_1_19=-128, var_1_1=-2, 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=-2, var_1_31=122/5, var_1_32=-2, var_1_4=1, var_1_5=-7, var_1_6=-7, var_1_7=9, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 [2023-11-19 05:07:04,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 05:07:07,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:07:07,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:07:07,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:07:07,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:07:07,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:07:07,372 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:07:07,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:07:07,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:07:07,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:07:07,375 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:07:07,375 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:07:07,376 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:07:07,376 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:07:07,377 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:07:07,378 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:07:07,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:07:07,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:07:07,380 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:07:07,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:07:07,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:07:07,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:07:07,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:07:07,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:07:07,383 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:07:07,383 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:07:07,384 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:07:07,384 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:07:07,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:07:07,385 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:07:07,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:07:07,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:07:07,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:07:07,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:07,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:07:07,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:07:07,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:07:07,388 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:07:07,389 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:07:07,389 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:07:07,389 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:07:07,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:07:07,390 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_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12ec80b88d13cbd20df6410c30aafcaf8554885c00373f899d9eea2626edd39d [2023-11-19 05:07:07,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:07:07,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:07:07,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:07:07,775 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:07:07,776 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:07:07,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i [2023-11-19 05:07:10,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:07:11,262 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:07:11,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i [2023-11-19 05:07:11,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/data/fbf656579/d136f4ed33e24b1fb363ef856ed16656/FLAGddba711ee [2023-11-19 05:07:11,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/data/fbf656579/d136f4ed33e24b1fb363ef856ed16656 [2023-11-19 05:07:11,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:07:11,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:07:11,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:11,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:07:11,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:07:11,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:11" (1/1) ... [2023-11-19 05:07:11,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa24b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11, skipping insertion in model container [2023-11-19 05:07:11,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:11" (1/1) ... [2023-11-19 05:07:11,392 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:07:11,575 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_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i[916,929] [2023-11-19 05:07:11,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:11,660 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:07:11,676 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_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i[916,929] [2023-11-19 05:07:11,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:11,741 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:07:11,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11 WrapperNode [2023-11-19 05:07:11,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:11,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:11,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:07:11,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:07:11,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2023-11-19 05:07:11,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2023-11-19 05:07:11,817 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-19 05:07:11,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:11,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:07:11,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:07:11,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:07:11,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2023-11-19 05:07:11,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2023-11-19 05:07:11,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2023-11-19 05:07:11,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2023-11-19 05:07:11,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2023-11-19 05:07:11,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2023-11-19 05:07:11,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2023-11-19 05:07:11,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2023-11-19 05:07:11,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:07:11,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:07:11,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:07:11,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:07:11,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2023-11-19 05:07:11,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:11,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:11,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:07:11,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:07:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:07:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:07:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:07:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:07:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:07:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:07:12,129 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:07:12,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:07:17,361 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:07:17,370 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:07:17,370 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:07:17,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:17 BoogieIcfgContainer [2023-11-19 05:07:17,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:07:17,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:07:17,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:07:17,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:07:17,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:07:11" (1/3) ... [2023-11-19 05:07:17,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7526dc8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:17, skipping insertion in model container [2023-11-19 05:07:17,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (2/3) ... [2023-11-19 05:07:17,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7526dc8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:17, skipping insertion in model container [2023-11-19 05:07:17,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:17" (3/3) ... [2023-11-19 05:07:17,385 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-55.i [2023-11-19 05:07:17,404 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:07:17,405 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:07:17,456 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:07:17,463 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;@792cf650, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:07:17,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:07:17,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 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) [2023-11-19 05:07:17,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 05:07:17,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:17,487 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:17,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:17,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:17,493 INFO L85 PathProgramCache]: Analyzing trace with hash 911881905, now seen corresponding path program 1 times [2023-11-19 05:07:17,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:17,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661878856] [2023-11-19 05:07:17,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:17,511 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 [2023-11-19 05:07:17,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:17,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:07:17,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:18,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:07:18,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-19 05:07:18,220 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:18,221 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:18,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661878856] [2023-11-19 05:07:18,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661878856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:18,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:18,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:07:18,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846286207] [2023-11-19 05:07:18,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:18,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:07:18,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:18,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:07:18,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:07:18,280 INFO L87 Difference]: Start difference. First operand has 76 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 05:07:18,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:18,335 INFO L93 Difference]: Finished difference Result 145 states and 252 transitions. [2023-11-19 05:07:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:07:18,338 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 157 [2023-11-19 05:07:18,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:18,368 INFO L225 Difference]: With dead ends: 145 [2023-11-19 05:07:18,368 INFO L226 Difference]: Without dead ends: 72 [2023-11-19 05:07:18,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:07:18,378 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:18,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:07:18,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-19 05:07:18,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-19 05:07:18,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 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) [2023-11-19 05:07:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2023-11-19 05:07:18,447 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 157 [2023-11-19 05:07:18,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:18,448 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2023-11-19 05:07:18,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 05:07:18,449 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2023-11-19 05:07:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 05:07:18,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:18,463 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:18,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:18,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:18,686 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:18,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:18,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1627849581, now seen corresponding path program 1 times [2023-11-19 05:07:18,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:18,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193016066] [2023-11-19 05:07:18,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:18,692 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 [2023-11-19 05:07:18,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:18,694 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:07:18,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:19,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:07:19,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:20,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 05:07:20,533 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:20,533 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:20,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193016066] [2023-11-19 05:07:20,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193016066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:20,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:20,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:07:20,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373090237] [2023-11-19 05:07:20,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:20,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:07:20,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:20,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:07:20,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:07:20,537 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 05:07:22,874 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 [] [2023-11-19 05:07:25,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:25,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:25,178 INFO L93 Difference]: Finished difference Result 211 states and 322 transitions. [2023-11-19 05:07:25,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:07:25,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2023-11-19 05:07:25,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:25,216 INFO L225 Difference]: With dead ends: 211 [2023-11-19 05:07:25,216 INFO L226 Difference]: Without dead ends: 142 [2023-11-19 05:07:25,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:07:25,219 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 84 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 50 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:25,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 306 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 13 Invalid, 2 Unknown, 0 Unchecked, 4.6s Time] [2023-11-19 05:07:25,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-19 05:07:25,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 121. [2023-11-19 05:07:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 70 states have (on average 1.2571428571428571) internal successors, (88), 70 states have internal predecessors, (88), 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) [2023-11-19 05:07:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 184 transitions. [2023-11-19 05:07:25,262 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 184 transitions. Word has length 157 [2023-11-19 05:07:25,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:25,263 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 184 transitions. [2023-11-19 05:07:25,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 05:07:25,263 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 184 transitions. [2023-11-19 05:07:25,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 05:07:25,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:25,266 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:25,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:25,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:25,477 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:25,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:25,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1305132533, now seen corresponding path program 1 times [2023-11-19 05:07:25,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:25,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1598873358] [2023-11-19 05:07:25,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:25,480 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 [2023-11-19 05:07:25,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:25,481 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:07:25,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:26,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:07:26,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:27,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 512 proven. 36 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2023-11-19 05:07:27,323 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:07:28,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 05:07:28,092 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:28,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1598873358] [2023-11-19 05:07:28,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1598873358] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:07:28,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2003536610] [2023-11-19 05:07:28,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:28,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:07:28,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:07:28,097 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:07:28,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 05:07:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:29,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:07:29,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:29,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-19 05:07:29,804 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:07:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 05:07:30,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2003536610] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:07:30,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194788325] [2023-11-19 05:07:30,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:30,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:07:30,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:30,281 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:07:30,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 05:07:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:30,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:07:30,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:31,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-19 05:07:31,189 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:07:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 05:07:31,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194788325] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:07:31,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:07:31,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6, 6, 6, 6] total 12 [2023-11-19 05:07:31,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540576249] [2023-11-19 05:07:31,668 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:07:31,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 05:07:31,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:31,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 05:07:31,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:07:31,672 INFO L87 Difference]: Start difference. First operand 121 states and 184 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 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) [2023-11-19 05:07:35,098 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 [] [2023-11-19 05:07:37,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:38,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:41,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:43,555 WARN L539 Checker$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 [] [2023-11-19 05:07:45,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:46,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:46,308 INFO L93 Difference]: Finished difference Result 360 states and 521 transitions. [2023-11-19 05:07:46,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-19 05:07:46,309 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 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) Word has length 158 [2023-11-19 05:07:46,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:46,314 INFO L225 Difference]: With dead ends: 360 [2023-11-19 05:07:46,314 INFO L226 Difference]: Without dead ends: 291 [2023-11-19 05:07:46,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 969 GetRequests, 931 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=333, Invalid=857, Unknown=0, NotChecked=0, Total=1190 [2023-11-19 05:07:46,318 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 264 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 145 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:46,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 456 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 411 Invalid, 4 Unknown, 0 Unchecked, 13.4s Time] [2023-11-19 05:07:46,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-11-19 05:07:46,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 150. [2023-11-19 05:07:46,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 95 states have internal predecessors, (118), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-19 05:07:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 214 transitions. [2023-11-19 05:07:46,373 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 214 transitions. Word has length 158 [2023-11-19 05:07:46,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:46,375 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 214 transitions. [2023-11-19 05:07:46,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 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) [2023-11-19 05:07:46,375 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 214 transitions. [2023-11-19 05:07:46,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-19 05:07:46,378 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:46,378 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:46,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:46,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:46,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:46,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:07:46,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:46,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:46,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1568842632, now seen corresponding path program 1 times [2023-11-19 05:07:46,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:46,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320561403] [2023-11-19 05:07:46,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:46,990 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 [2023-11-19 05:07:46,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:46,993 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:07:46,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a7f1bb-0e40-4519-ac6d-7bbe494562a8/bin/utaipan-verify-t7M7D8N6sZ/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 (7)] Waiting until timeout for monitored process [2023-11-19 05:07:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:47,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 05:07:47,701 INFO L285 TraceCheckSpWp]: Computing forward predicates...