./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX --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 adf413fb5f25cb72571d4c71ac8ba447f06e0429afc41fa63fb155b8ad6c0fa6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:09,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:09,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:08:09,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:09,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:09,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:09,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:09,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:09,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:09,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:09,474 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:09,476 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:09,476 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:09,478 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:08:09,478 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:09,479 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:09,479 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:08:09,480 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:08:09,480 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:09,481 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:08:09,481 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:08:09,482 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:08:09,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:09,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:09,484 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:09,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:08:09,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:09,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:09,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:09,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:09,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:09,487 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:09,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:09,488 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:09,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:09,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:09,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:09,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:09,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:09,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:09,491 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:08:09,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:08:09,491 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:09,492 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:09,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:09,492 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_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adf413fb5f25cb72571d4c71ac8ba447f06e0429afc41fa63fb155b8ad6c0fa6 [2023-11-12 00:08:09,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:09,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:09,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:09,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:09,850 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:09,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-80.i [2023-11-12 00:08:12,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:13,215 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:13,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-80.i [2023-11-12 00:08:13,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/data/23ebc488d/409c6c86bf5e47a5991b2f88bc969782/FLAG13561d871 [2023-11-12 00:08:13,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/data/23ebc488d/409c6c86bf5e47a5991b2f88bc969782 [2023-11-12 00:08:13,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:13,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:13,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:13,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:13,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:13,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:13" (1/1) ... [2023-11-12 00:08:13,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68dccca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13, skipping insertion in model container [2023-11-12 00:08:13,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:13" (1/1) ... [2023-11-12 00:08:13,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:13,580 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_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-80.i[916,929] [2023-11-12 00:08:13,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:13,707 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:13,723 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_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-80.i[916,929] [2023-11-12 00:08:13,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:13,785 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:13,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13 WrapperNode [2023-11-12 00:08:13,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:13,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:13,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:13,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:13,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13" (1/1) ... [2023-11-12 00:08:13,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13" (1/1) ... [2023-11-12 00:08:13,859 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2023-11-12 00:08:13,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:13,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:13,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:13,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:13,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13" (1/1) ... [2023-11-12 00:08:13,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13" (1/1) ... [2023-11-12 00:08:13,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13" (1/1) ... [2023-11-12 00:08:13,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13" (1/1) ... [2023-11-12 00:08:13,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13" (1/1) ... [2023-11-12 00:08:13,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13" (1/1) ... [2023-11-12 00:08:13,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13" (1/1) ... [2023-11-12 00:08:13,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13" (1/1) ... [2023-11-12 00:08:13,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:13,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:13,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:13,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:13,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13" (1/1) ... [2023-11-12 00:08:13,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:13,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:13,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:13,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:14,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:14,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:14,148 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:14,151 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:14,735 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:15,459 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:15,460 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:08:15,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:15 BoogieIcfgContainer [2023-11-12 00:08:15,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:15,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:15,478 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:15,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:15,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:13" (1/3) ... [2023-11-12 00:08:15,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc6736f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:15, skipping insertion in model container [2023-11-12 00:08:15,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:13" (2/3) ... [2023-11-12 00:08:15,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc6736f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:15, skipping insertion in model container [2023-11-12 00:08:15,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:15" (3/3) ... [2023-11-12 00:08:15,486 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-80.i [2023-11-12 00:08:15,507 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:15,508 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:15,561 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:15,569 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;@49f61a73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:15,569 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:15,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:08:15,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-12 00:08:15,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:15,587 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:15,588 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:15,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:15,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1187780861, now seen corresponding path program 1 times [2023-11-12 00:08:15,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:15,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603053403] [2023-11-12 00:08:15,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:15,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:15,869 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:08:15,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1469873828] [2023-11-12 00:08:15,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:15,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:15,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:15,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:08:15,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:08:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:16,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:08:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:16,673 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:08:16,675 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:08:16,677 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:08:16,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:16,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:08:16,890 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:08:16,894 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:08:17,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:08:17 BoogieIcfgContainer [2023-11-12 00:08:17,048 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:08:17,049 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:08:17,049 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:08:17,049 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:08:17,050 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:15" (3/4) ... [2023-11-12 00:08:17,053 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:08:17,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:08:17,055 INFO L158 Benchmark]: Toolchain (without parser) took 3798.13ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 89.8MB in the beginning and 113.4MB in the end (delta: -23.6MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2023-11-12 00:08:17,056 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:17,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.29ms. Allocated memory is still 132.1MB. Free memory was 89.6MB in the beginning and 96.3MB in the end (delta: -6.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:08:17,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.43ms. Allocated memory is still 132.1MB. Free memory was 96.3MB in the beginning and 92.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:08:17,058 INFO L158 Benchmark]: Boogie Preprocessor took 63.70ms. Allocated memory is still 132.1MB. Free memory was 92.3MB in the beginning and 89.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:17,059 INFO L158 Benchmark]: RCFGBuilder took 1537.91ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 89.8MB in the beginning and 168.8MB in the end (delta: -79.0MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2023-11-12 00:08:17,060 INFO L158 Benchmark]: TraceAbstraction took 1582.45ms. Allocated memory is still 207.6MB. Free memory was 167.9MB in the beginning and 114.5MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-12 00:08:17,060 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 207.6MB. Free memory was 114.5MB in the beginning and 113.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:17,072 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.29ms. Allocated memory is still 132.1MB. Free memory was 89.6MB in the beginning and 96.3MB in the end (delta: -6.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.43ms. Allocated memory is still 132.1MB. Free memory was 96.3MB in the beginning and 92.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.70ms. Allocated memory is still 132.1MB. Free memory was 92.3MB in the beginning and 89.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1537.91ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 89.8MB in the beginning and 168.8MB in the end (delta: -79.0MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1582.45ms. Allocated memory is still 207.6MB. Free memory was 167.9MB in the beginning and 114.5MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 207.6MB. Free memory was 114.5MB in the beginning and 113.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 104, overapproximation of someBinaryArithmeticDOUBLEoperation at line 129, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of bitwiseOr at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someUnaryFLOAToperation at line 61, overapproximation of someBinaryArithmeticFLOAToperation at line 124. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.8; [L23] float var_1_6 = 16.375; [L24] float var_1_7 = 0.25; [L25] unsigned char var_1_8 = 1; [L26] unsigned char var_1_9 = 1; [L27] unsigned char var_1_10 = 0; [L28] unsigned long int var_1_11 = 128; [L29] double var_1_13 = 255.5; [L30] double var_1_14 = 0.0; [L31] double var_1_15 = 0.0; [L32] double var_1_16 = 100.3; [L33] unsigned long int var_1_17 = 32; [L34] unsigned short int var_1_19 = 100; [L35] double var_1_21 = 10000000000.5; [L36] double var_1_22 = 32.2; [L37] signed short int var_1_23 = -2; [L38] signed char var_1_24 = 32; [L39] signed char var_1_25 = 10; [L40] signed char var_1_26 = -128; [L41] double var_1_27 = 5.8; [L42] unsigned short int var_1_28 = 16; [L43] unsigned char var_1_30 = 1; [L44] unsigned char var_1_31 = 0; [L45] unsigned char var_1_32 = 0; [L46] unsigned long int var_1_33 = 256; [L47] unsigned char var_1_34 = 0; [L48] float var_1_35 = 3.625; [L49] float var_1_36 = 9.8; [L50] unsigned char var_1_37 = 4; [L51] unsigned long int last_1_var_1_17 = 32; [L52] double last_1_var_1_22 = 32.2; [L53] double last_1_var_1_27 = 5.8; [L54] unsigned char last_1_var_1_37 = 4; [L192] isInitial = 1 [L193] FCALL initially() [L194] int k_loop; [L195] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_6=131/8, var_1_7=1/4, var_1_8=1, var_1_9=1] [L195] COND TRUE k_loop < 1 [L196] CALL updateLastVariables() [L182] last_1_var_1_17 = var_1_17 [L183] last_1_var_1_22 = var_1_22 [L184] last_1_var_1_27 = var_1_27 [L185] last_1_var_1_37 = var_1_37 [L196] RET updateLastVariables() [L197] CALL updateVariables() [L144] var_1_6 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=1/4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=1/4, var_1_8=1, var_1_9=1] [L146] var_1_7 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L148] var_1_9 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L150] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L151] var_1_10 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L153] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L154] var_1_14 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_14 >= 4611686.018427382800e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_14 >= 4611686.018427382800e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L156] var_1_15 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L158] var_1_16 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L160] var_1_24 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L162] CALL assume_abort_if_not(var_1_24 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_24 <= 127) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L163] var_1_25 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L165] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L166] var_1_26 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_26 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_26 >= -128) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L168] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_26 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_26 != 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L170] var_1_31 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L172] CALL assume_abort_if_not(var_1_31 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_31 <= 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L173] var_1_33 = __VERIFIER_nondet_ulong() [L174] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L175] CALL assume_abort_if_not(var_1_33 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_33 <= 4294967295) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L176] CALL assume_abort_if_not(var_1_33 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_33 != 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L177] var_1_34 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L179] CALL assume_abort_if_not(var_1_34 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_34 <= 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=2, var_1_8=1, var_1_9=1] [L197] RET updateVariables() [L198] CALL step() [L58] COND TRUE (- last_1_var_1_27) < var_1_7 [L59] var_1_21 = 0.19999999999999996 [L63] COND TRUE ((((8.25) < (last_1_var_1_22)) ? (8.25) : (last_1_var_1_22))) >= (var_1_15 * var_1_16) [L64] var_1_28 = ((var_1_25 + (100 + 64)) + last_1_var_1_37) [L68] COND TRUE \read(var_1_9) [L69] var_1_11 = 0u [L79] COND TRUE \read(var_1_9) [L80] var_1_30 = (! var_1_31) [L82] var_1_35 = var_1_16 [L83] var_1_36 = var_1_14 [L84] var_1_37 = var_1_25 [L85] unsigned long int stepLocal_0 = 1u; [L86] COND FALSE !(((((var_1_7) < (var_1_35)) ? (var_1_7) : (var_1_35))) <= var_1_6) [L91] signed long int stepLocal_4 = (var_1_24 - var_1_25) / ((((var_1_26) < (4)) ? (var_1_26) : (4))); [L92] COND FALSE !(stepLocal_4 > var_1_37) [L95] unsigned char stepLocal_3 = var_1_37; [L96] COND FALSE !(var_1_28 <= stepLocal_3) [L99] var_1_19 = ((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))) [L101] signed long int stepLocal_2 = var_1_19 - var_1_19; [L102] COND TRUE \read(var_1_9) [L103] COND TRUE \read(var_1_10) [L104] EXPR (last_1_var_1_17 / -64) << var_1_11 [L104] COND TRUE ((last_1_var_1_17 / -64) << var_1_11) >= stepLocal_2 [L105] var_1_17 = var_1_19 [L113] EXPR var_1_37 ^ (4u / var_1_33) [L113] COND TRUE (var_1_37 ^ (4u / var_1_33)) != var_1_17 [L114] var_1_32 = ((99.6f != var_1_7) || var_1_10) [L118] COND FALSE !(((var_1_16 * var_1_6) > var_1_15) && var_1_32) [L121] var_1_22 = ((((var_1_15) < (var_1_7)) ? (var_1_15) : (var_1_7))) [L123] COND TRUE ((~ var_1_17) + (var_1_19 + var_1_37)) <= var_1_23 [L124] var_1_1 = (var_1_6 - var_1_7) [L126] signed long int stepLocal_5 = var_1_19 + var_1_37; [L127] COND TRUE var_1_28 != stepLocal_5 [L128] COND FALSE !(var_1_1 < var_1_21) [L132] unsigned short int stepLocal_1 = var_1_28; [L133] COND FALSE !(var_1_7 != (var_1_27 * var_1_6)) [L136] COND FALSE !(var_1_28 > stepLocal_1) [L139] var_1_13 = var_1_15 [L198] RET step() [L199] CALL, EXPR property() [L188] EXPR (((((((~ var_1_17) + (var_1_19 + var_1_37)) <= var_1_23) ? (var_1_1 == ((float) (var_1_6 - var_1_7))) : 1) && ((((((var_1_7) < (var_1_35)) ? (var_1_7) : (var_1_35))) <= var_1_6) ? ((1u < var_1_37) ? (var_1_8 == ((unsigned char) (var_1_9 && var_1_10))) : 1) : 1)) && (var_1_9 ? (var_1_11 == ((unsigned long int) 0u)) : (var_1_10 ? (var_1_11 == ((unsigned long int) ((((8u + var_1_28) < 0 ) ? -(8u + var_1_28) : (8u + var_1_28))))) : ((var_1_6 < 127.5f) ? (var_1_11 == ((unsigned long int) var_1_28)) : 1)))) && ((var_1_7 != (var_1_27 * var_1_6)) ? (var_1_13 == ((double) ((((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) - var_1_16) - var_1_7))) : ((var_1_28 > var_1_28) ? (var_1_13 == ((double) 10.6)) : (var_1_13 == ((double) var_1_15))))) && (var_1_9 ? (var_1_10 ? ((((last_1_var_1_17 / -64) << var_1_11) >= (var_1_19 - var_1_19)) ? (var_1_17 == ((unsigned long int) var_1_19)) : 1) : (var_1_17 == ((unsigned long int) var_1_19))) : (var_1_17 == ((unsigned long int) 2u))) [L188] EXPR (((((((((((((((~ var_1_17) + (var_1_19 + var_1_37)) <= var_1_23) ? (var_1_1 == ((float) (var_1_6 - var_1_7))) : 1) && ((((((var_1_7) < (var_1_35)) ? (var_1_7) : (var_1_35))) <= var_1_6) ? ((1u < var_1_37) ? (var_1_8 == ((unsigned char) (var_1_9 && var_1_10))) : 1) : 1)) && (var_1_9 ? (var_1_11 == ((unsigned long int) 0u)) : (var_1_10 ? (var_1_11 == ((unsigned long int) ((((8u + var_1_28) < 0 ) ? -(8u + var_1_28) : (8u + var_1_28))))) : ((var_1_6 < 127.5f) ? (var_1_11 == ((unsigned long int) var_1_28)) : 1)))) && ((var_1_7 != (var_1_27 * var_1_6)) ? (var_1_13 == ((double) ((((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) - var_1_16) - var_1_7))) : ((var_1_28 > var_1_28) ? (var_1_13 == ((double) 10.6)) : (var_1_13 == ((double) var_1_15))))) && (var_1_9 ? (var_1_10 ? ((((last_1_var_1_17 / -64) << var_1_11) >= (var_1_19 - var_1_19)) ? (var_1_17 == ((unsigned long int) var_1_19)) : 1) : (var_1_17 == ((unsigned long int) var_1_19))) : (var_1_17 == ((unsigned long int) 2u)))) && ((var_1_28 <= var_1_37) ? (var_1_19 == ((unsigned short int) ((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))))) : (var_1_19 == ((unsigned short int) ((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))))))) && (((- last_1_var_1_27) < var_1_7) ? (var_1_21 == ((double) 0.19999999999999996)) : (var_1_21 == ((double) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))))) && ((((var_1_16 * var_1_6) > var_1_15) && var_1_32) ? (var_1_22 == ((double) var_1_6)) : (var_1_22 == ((double) ((((var_1_15) < (var_1_7)) ? (var_1_15) : (var_1_7))))))) && ((((var_1_24 - var_1_25) / ((((var_1_26) < (4)) ? (var_1_26) : (4)))) > var_1_37) ? (var_1_23 == ((signed short int) var_1_24)) : 1)) && ((var_1_28 != (var_1_19 + var_1_37)) ? ((var_1_1 < var_1_21) ? (var_1_27 == ((double) (var_1_15 - var_1_16))) : 1) : 1)) && ((((((8.25) < (last_1_var_1_22)) ? (8.25) : (last_1_var_1_22))) >= (var_1_15 * var_1_16)) ? (var_1_28 == ((unsigned short int) ((var_1_25 + (100 + 64)) + last_1_var_1_37))) : (var_1_28 == ((unsigned short int) last_1_var_1_37)))) && (var_1_9 ? (var_1_30 == ((unsigned char) (! var_1_31))) : 1)) && (((var_1_37 ^ (4u / var_1_33)) != var_1_17) ? (var_1_32 == ((unsigned char) ((99.6f != var_1_7) || var_1_10))) : (var_1_32 == ((unsigned char) (var_1_31 || var_1_34)))) [L188-L189] return ((((((((((((((((((~ var_1_17) + (var_1_19 + var_1_37)) <= var_1_23) ? (var_1_1 == ((float) (var_1_6 - var_1_7))) : 1) && ((((((var_1_7) < (var_1_35)) ? (var_1_7) : (var_1_35))) <= var_1_6) ? ((1u < var_1_37) ? (var_1_8 == ((unsigned char) (var_1_9 && var_1_10))) : 1) : 1)) && (var_1_9 ? (var_1_11 == ((unsigned long int) 0u)) : (var_1_10 ? (var_1_11 == ((unsigned long int) ((((8u + var_1_28) < 0 ) ? -(8u + var_1_28) : (8u + var_1_28))))) : ((var_1_6 < 127.5f) ? (var_1_11 == ((unsigned long int) var_1_28)) : 1)))) && ((var_1_7 != (var_1_27 * var_1_6)) ? (var_1_13 == ((double) ((((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) - var_1_16) - var_1_7))) : ((var_1_28 > var_1_28) ? (var_1_13 == ((double) 10.6)) : (var_1_13 == ((double) var_1_15))))) && (var_1_9 ? (var_1_10 ? ((((last_1_var_1_17 / -64) << var_1_11) >= (var_1_19 - var_1_19)) ? (var_1_17 == ((unsigned long int) var_1_19)) : 1) : (var_1_17 == ((unsigned long int) var_1_19))) : (var_1_17 == ((unsigned long int) 2u)))) && ((var_1_28 <= var_1_37) ? (var_1_19 == ((unsigned short int) ((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))))) : (var_1_19 == ((unsigned short int) ((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))))))) && (((- last_1_var_1_27) < var_1_7) ? (var_1_21 == ((double) 0.19999999999999996)) : (var_1_21 == ((double) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))))) && ((((var_1_16 * var_1_6) > var_1_15) && var_1_32) ? (var_1_22 == ((double) var_1_6)) : (var_1_22 == ((double) ((((var_1_15) < (var_1_7)) ? (var_1_15) : (var_1_7))))))) && ((((var_1_24 - var_1_25) / ((((var_1_26) < (4)) ? (var_1_26) : (4)))) > var_1_37) ? (var_1_23 == ((signed short int) var_1_24)) : 1)) && ((var_1_28 != (var_1_19 + var_1_37)) ? ((var_1_1 < var_1_21) ? (var_1_27 == ((double) (var_1_15 - var_1_16))) : 1) : 1)) && ((((((8.25) < (last_1_var_1_22)) ? (8.25) : (last_1_var_1_22))) >= (var_1_15 * var_1_16)) ? (var_1_28 == ((unsigned short int) ((var_1_25 + (100 + 64)) + last_1_var_1_37))) : (var_1_28 == ((unsigned short int) last_1_var_1_37)))) && (var_1_9 ? (var_1_30 == ((unsigned char) (! var_1_31))) : 1)) && (((var_1_37 ^ (4u / var_1_33)) != var_1_17) ? (var_1_32 == ((unsigned char) ((99.6f != var_1_7) || var_1_10))) : (var_1_32 == ((unsigned char) (var_1_31 || var_1_34))))) && (var_1_35 == ((float) var_1_16))) && (var_1_36 == ((float) var_1_14))) && (var_1_37 == ((unsigned char) var_1_25)) ; [L199] RET, EXPR property() [L199] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=0, var_1_13=4, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=3, var_1_19=3, var_1_1=0, var_1_21=4999999999999999/25000000000000000, var_1_22=4, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=171, var_1_30=1, var_1_31=0, var_1_32=1, var_1_33=4, var_1_34=0, var_1_35=5, var_1_36=3, var_1_37=3, var_1_6=0, var_1_7=2, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=0, var_1_13=4, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=3, var_1_19=3, var_1_1=0, var_1_21=4999999999999999/25000000000000000, var_1_22=4, var_1_23=-2, var_1_24=-1, var_1_25=3, var_1_26=1, var_1_27=29/5, var_1_28=171, var_1_30=1, var_1_31=0, var_1_32=1, var_1_33=4, var_1_34=0, var_1_35=5, var_1_36=3, var_1_37=3, var_1_6=0, var_1_7=2, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:08:17,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/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_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX --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 adf413fb5f25cb72571d4c71ac8ba447f06e0429afc41fa63fb155b8ad6c0fa6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:19,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:19,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:08:19,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:19,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:20,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:20,015 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:20,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:20,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:20,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:20,022 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:20,023 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:20,023 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:20,025 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:20,025 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:20,026 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:20,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:20,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:20,028 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:20,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:20,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:20,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:20,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:20,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:20,032 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:08:20,032 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:08:20,033 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:08:20,033 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:20,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:20,034 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:20,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:20,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:08:20,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:20,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:20,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:20,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:20,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:20,037 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:08:20,038 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:08:20,039 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:20,039 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:20,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:20,040 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_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adf413fb5f25cb72571d4c71ac8ba447f06e0429afc41fa63fb155b8ad6c0fa6 [2023-11-12 00:08:20,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:20,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:20,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:20,527 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:20,528 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:20,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-80.i [2023-11-12 00:08:23,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:24,048 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:24,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-80.i [2023-11-12 00:08:24,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/data/1d025bdaf/58fd700343554074a135bdcb1ffcb77d/FLAGa5ab28be3 [2023-11-12 00:08:24,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/data/1d025bdaf/58fd700343554074a135bdcb1ffcb77d [2023-11-12 00:08:24,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:24,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:24,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:24,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:24,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:24,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40509ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24, skipping insertion in model container [2023-11-12 00:08:24,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:24,300 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_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-80.i[916,929] [2023-11-12 00:08:24,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:24,407 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:24,420 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_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-80.i[916,929] [2023-11-12 00:08:24,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:24,484 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:24,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24 WrapperNode [2023-11-12 00:08:24,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:24,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:24,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:24,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:24,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,550 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-11-12 00:08:24,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:24,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:24,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:24,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:24,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:24,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:24,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:24,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:24,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:24,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:24,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:24,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:08:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:24,840 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:24,843 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:40,536 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:40,546 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:40,546 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:08:40,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:40 BoogieIcfgContainer [2023-11-12 00:08:40,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:40,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:40,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:40,570 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:40,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:24" (1/3) ... [2023-11-12 00:08:40,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cae9f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:40, skipping insertion in model container [2023-11-12 00:08:40,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24" (2/3) ... [2023-11-12 00:08:40,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cae9f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:40, skipping insertion in model container [2023-11-12 00:08:40,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:40" (3/3) ... [2023-11-12 00:08:40,575 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-80.i [2023-11-12 00:08:40,600 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:40,601 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:40,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:40,697 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;@6f5e1728, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:40,698 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:40,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:08:40,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-12 00:08:40,728 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:40,729 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:40,732 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:40,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:40,741 INFO L85 PathProgramCache]: Analyzing trace with hash 760733737, now seen corresponding path program 1 times [2023-11-12 00:08:40,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:40,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1558793668] [2023-11-12 00:08:40,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:40,762 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 [2023-11-12 00:08:40,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:40,770 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:08:40,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:42,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:08:42,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:42,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-12 00:08:42,503 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:08:42,504 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:08:42,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1558793668] [2023-11-12 00:08:42,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1558793668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:42,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:42,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:08:42,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732313335] [2023-11-12 00:08:42,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:42,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:08:42,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:08:42,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:08:42,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:08:42,561 INFO L87 Difference]: Start difference. First operand has 82 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 00:08:42,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:42,601 INFO L93 Difference]: Finished difference Result 161 states and 274 transitions. [2023-11-12 00:08:42,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:08:42,604 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 156 [2023-11-12 00:08:42,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:42,627 INFO L225 Difference]: With dead ends: 161 [2023-11-12 00:08:42,628 INFO L226 Difference]: Without dead ends: 78 [2023-11-12 00:08:42,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:08:42,640 INFO L413 NwaCegarLoop]: 124 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, 124 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 [2023-11-12 00:08:42,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:08:42,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-12 00:08:42,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-12 00:08:42,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 53 states have internal predecessors, (74), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:08:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 120 transitions. [2023-11-12 00:08:42,705 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 120 transitions. Word has length 156 [2023-11-12 00:08:42,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:42,706 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 120 transitions. [2023-11-12 00:08:42,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 00:08:42,706 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2023-11-12 00:08:42,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-12 00:08:42,710 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:42,711 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:42,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 00:08:42,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:42,919 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:42,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:42,920 INFO L85 PathProgramCache]: Analyzing trace with hash 711649267, now seen corresponding path program 1 times [2023-11-12 00:08:42,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:42,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778084395] [2023-11-12 00:08:42,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:42,921 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 [2023-11-12 00:08:42,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:42,928 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:08:42,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:44,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 00:08:44,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:48,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 33 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2023-11-12 00:08:48,076 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:08:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 33 proven. 33 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-12 00:08:49,518 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:08:49,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778084395] [2023-11-12 00:08:49,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778084395] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:08:49,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [788661733] [2023-11-12 00:08:49,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:49,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:08:49,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:08:49,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:08:49,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:08:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:50,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:08:50,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:50,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-12 00:08:50,723 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:08:50,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [788661733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:50,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:08:50,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 8] total 17 [2023-11-12 00:08:50,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470930754] [2023-11-12 00:08:50,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:50,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:08:50,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:08:50,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:08:50,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2023-11-12 00:08:50,728 INFO L87 Difference]: Start difference. First operand 78 states and 120 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-12 00:08:53,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:08:55,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:08:55,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:55,392 INFO L93 Difference]: Finished difference Result 189 states and 287 transitions. [2023-11-12 00:08:55,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:08:55,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2023-11-12 00:08:55,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:55,550 INFO L225 Difference]: With dead ends: 189 [2023-11-12 00:08:55,550 INFO L226 Difference]: Without dead ends: 114 [2023-11-12 00:08:55,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2023-11-12 00:08:55,553 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 45 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:55,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 219 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 4.6s Time] [2023-11-12 00:08:55,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-12 00:08:55,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2023-11-12 00:08:55,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 84 states have internal predecessors, (116), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:08:55,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 166 transitions. [2023-11-12 00:08:55,577 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 166 transitions. Word has length 156 [2023-11-12 00:08:55,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:55,578 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 166 transitions. [2023-11-12 00:08:55,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-12 00:08:55,579 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 166 transitions. [2023-11-12 00:08:55,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-12 00:08:55,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:55,582 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:55,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:55,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:55,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:08:55,999 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:56,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:56,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1940778364, now seen corresponding path program 1 times [2023-11-12 00:08:56,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:56,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53094744] [2023-11-12 00:08:56,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:56,002 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 [2023-11-12 00:08:56,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:56,003 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:08:56,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-12 00:08:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:57,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 00:08:57,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 33 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2023-11-12 00:09:01,333 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:02,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 33 proven. 33 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-12 00:09:02,913 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:02,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53094744] [2023-11-12 00:09:02,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53094744] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:02,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1909443866] [2023-11-12 00:09:02,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:02,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:09:02,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:09:02,916 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:09:02,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 00:09:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:05,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:09:05,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-12 00:09:07,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-12 00:09:08,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1909443866] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:08,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352420374] [2023-11-12 00:09:08,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:08,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:08,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:08,638 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:08,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffab8d2a-144c-49be-a6c5-c6beb0f1fab9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process