./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-99.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_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 9a4594ea31ffbf6212ff96fe98d0ce3ce9979c812b849295a80843482179f790 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:53:32,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:32,450 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:53:32,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:32,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:32,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:32,488 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:32,489 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:32,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:32,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:32,491 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:32,492 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:32,492 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:32,493 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:53:32,493 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:32,494 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:32,494 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:53:32,495 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:53:32,495 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:32,496 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:53:32,496 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:53:32,497 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:53:32,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:32,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:32,499 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:53:32,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:53:32,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:53:32,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:32,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:32,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:32,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:32,502 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:53:32,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:32,503 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:32,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:32,504 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:32,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:32,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:32,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:32,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:53:32,506 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:53:32,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:53:32,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:53:32,511 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:32,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:32,512 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_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a4594ea31ffbf6212ff96fe98d0ce3ce9979c812b849295a80843482179f790 [2023-11-12 00:53:32,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:32,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:32,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:32,819 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:32,820 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:32,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-99.i [2023-11-12 00:53:36,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:36,252 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:36,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-99.i [2023-11-12 00:53:36,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/data/99172212e/afd92309b92d42dc80cdf67e461ae4d0/FLAGe4532228d [2023-11-12 00:53:36,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/data/99172212e/afd92309b92d42dc80cdf67e461ae4d0 [2023-11-12 00:53:36,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:36,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:36,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:36,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:36,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:36,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:36" (1/1) ... [2023-11-12 00:53:36,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f700ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36, skipping insertion in model container [2023-11-12 00:53:36,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:36" (1/1) ... [2023-11-12 00:53:36,339 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:36,494 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_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-99.i[916,929] [2023-11-12 00:53:36,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:36,625 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:36,640 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_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-99.i[916,929] [2023-11-12 00:53:36,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:36,729 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:53:36,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36 WrapperNode [2023-11-12 00:53:36,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:36,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:36,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:53:36,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:53:36,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36" (1/1) ... [2023-11-12 00:53:36,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36" (1/1) ... [2023-11-12 00:53:36,833 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213 [2023-11-12 00:53:36,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:36,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:53:36,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:53:36,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:53:36,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36" (1/1) ... [2023-11-12 00:53:36,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36" (1/1) ... [2023-11-12 00:53:36,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36" (1/1) ... [2023-11-12 00:53:36,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36" (1/1) ... [2023-11-12 00:53:36,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36" (1/1) ... [2023-11-12 00:53:36,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36" (1/1) ... [2023-11-12 00:53:36,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36" (1/1) ... [2023-11-12 00:53:36,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36" (1/1) ... [2023-11-12 00:53:36,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:36,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:36,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:36,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:36,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36" (1/1) ... [2023-11-12 00:53:36,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:36,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:36,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:36,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:53:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:53:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:53:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:37,127 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:37,132 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:53:37,743 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:53:38,109 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:53:38,109 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:53:38,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:38 BoogieIcfgContainer [2023-11-12 00:53:38,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:53:38,115 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:53:38,115 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:53:38,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:53:38,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:53:36" (1/3) ... [2023-11-12 00:53:38,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef61933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:38, skipping insertion in model container [2023-11-12 00:53:38,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:36" (2/3) ... [2023-11-12 00:53:38,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef61933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:38, skipping insertion in model container [2023-11-12 00:53:38,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:38" (3/3) ... [2023-11-12 00:53:38,124 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-99.i [2023-11-12 00:53:38,144 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:53:38,144 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:53:38,204 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:53:38,212 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;@44ee8448, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:53:38,213 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:53:38,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:53:38,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-12 00:53:38,245 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:38,246 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:38,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:38,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:38,259 INFO L85 PathProgramCache]: Analyzing trace with hash -536361907, now seen corresponding path program 1 times [2023-11-12 00:53:38,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:53:38,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966579685] [2023-11-12 00:53:38,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:38,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:53:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:53:39,333 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:53:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:53:39,947 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:53:39,952 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:53:39,953 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:53:39,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:53:39,961 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:53:39,973 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:53:40,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:53:40 BoogieIcfgContainer [2023-11-12 00:53:40,118 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:53:40,120 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:53:40,120 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:53:40,121 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:53:40,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:38" (3/4) ... [2023-11-12 00:53:40,127 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:53:40,128 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:53:40,129 INFO L158 Benchmark]: Toolchain (without parser) took 3846.30ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 98.7MB in the beginning and 80.3MB in the end (delta: 18.4MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2023-11-12 00:53:40,130 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:53:40,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.83ms. Allocated memory is still 146.8MB. Free memory was 98.4MB in the beginning and 81.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:53:40,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.14ms. Allocated memory is still 146.8MB. Free memory was 81.2MB in the beginning and 75.2MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:53:40,134 INFO L158 Benchmark]: Boogie Preprocessor took 63.13ms. Allocated memory is still 146.8MB. Free memory was 75.2MB in the beginning and 72.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:53:40,139 INFO L158 Benchmark]: RCFGBuilder took 1214.68ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 72.2MB in the beginning and 89.3MB in the end (delta: -17.1MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-11-12 00:53:40,140 INFO L158 Benchmark]: TraceAbstraction took 2002.70ms. Allocated memory is still 188.7MB. Free memory was 89.3MB in the beginning and 81.4MB in the end (delta: 7.9MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-11-12 00:53:40,141 INFO L158 Benchmark]: Witness Printer took 8.55ms. Allocated memory is still 188.7MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:53:40,149 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.83ms. Allocated memory is still 146.8MB. Free memory was 98.4MB in the beginning and 81.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.14ms. Allocated memory is still 146.8MB. Free memory was 81.2MB in the beginning and 75.2MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.13ms. Allocated memory is still 146.8MB. Free memory was 75.2MB in the beginning and 72.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1214.68ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 72.2MB in the beginning and 89.3MB in the end (delta: -17.1MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2002.70ms. Allocated memory is still 188.7MB. Free memory was 89.3MB in the beginning and 81.4MB in the end (delta: 7.9MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Witness Printer took 8.55ms. Allocated memory is still 188.7MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryArithmeticFLOAToperation at line 154. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 8; [L23] unsigned char var_1_4 = 200; [L24] unsigned char var_1_5 = 0; [L25] unsigned long int var_1_6 = 1000000; [L26] signed short int var_1_7 = -1; [L27] unsigned char var_1_8 = 1; [L28] unsigned char var_1_9 = 0; [L29] signed short int var_1_10 = 128; [L30] unsigned char var_1_12 = 1; [L31] unsigned char var_1_14 = 128; [L32] unsigned char var_1_15 = 25; [L33] unsigned char var_1_16 = 1; [L34] float var_1_17 = 1.25; [L35] float var_1_18 = 3.5; [L36] float var_1_19 = 127.45; [L37] float var_1_20 = 1.5; [L38] float var_1_21 = 24.4; [L39] float var_1_22 = 0.8; [L40] unsigned char var_1_23 = 4; [L41] unsigned char var_1_24 = 0; [L42] unsigned char var_1_25 = 8; [L43] unsigned char var_1_26 = 64; [L44] signed short int var_1_27 = 256; [L45] unsigned char var_1_28 = 1; [L46] unsigned char var_1_30 = 0; [L47] unsigned char var_1_31 = 0; [L48] unsigned char last_1_var_1_1 = 8; [L49] unsigned long int last_1_var_1_6 = 1000000; [L50] signed short int last_1_var_1_7 = -1; [L51] unsigned char last_1_var_1_12 = 1; [L52] float last_1_var_1_17 = 1.25; [L53] unsigned char last_1_var_1_23 = 4; [L54] unsigned char last_1_var_1_25 = 8; [L55] unsigned char last_1_var_1_28 = 1; [L219] isInitial = 1 [L220] FCALL initially() [L221] int k_loop; [L222] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=200, var_1_5=0, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L222] COND TRUE k_loop < 1 [L223] CALL updateLastVariables() [L205] last_1_var_1_1 = var_1_1 [L206] last_1_var_1_6 = var_1_6 [L207] last_1_var_1_7 = var_1_7 [L208] last_1_var_1_12 = var_1_12 [L209] last_1_var_1_17 = var_1_17 [L210] last_1_var_1_23 = var_1_23 [L211] last_1_var_1_25 = var_1_25 [L212] last_1_var_1_28 = var_1_28 [L223] RET updateLastVariables() [L224] CALL updateVariables() [L163] var_1_4 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=0, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=0, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L165] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=0, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=0, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L166] var_1_5 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L168] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L169] var_1_9 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L171] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L172] var_1_14 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_14 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_14 >= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L174] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L175] var_1_15 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L177] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L178] var_1_16 = __VERIFIER_nondet_uchar() [L179] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L180] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L181] var_1_18 = __VERIFIER_nondet_float() [L182] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L183] var_1_19 = __VERIFIER_nondet_float() [L184] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L185] var_1_20 = __VERIFIER_nondet_float() [L186] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L187] var_1_21 = __VERIFIER_nondet_float() [L188] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L189] var_1_22 = __VERIFIER_nondet_float() [L190] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L191] var_1_24 = __VERIFIER_nondet_uchar() [L192] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L193] CALL assume_abort_if_not(var_1_24 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_24 <= 63) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L194] var_1_26 = __VERIFIER_nondet_uchar() [L195] CALL assume_abort_if_not(var_1_26 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_26 >= 63) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L196] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L197] var_1_30 = __VERIFIER_nondet_uchar() [L198] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L199] CALL assume_abort_if_not(var_1_30 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_30 <= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L200] var_1_31 = __VERIFIER_nondet_uchar() [L201] CALL assume_abort_if_not(var_1_31 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=1, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L201] RET assume_abort_if_not(var_1_31 >= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=1, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L202] CALL assume_abort_if_not(var_1_31 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=1, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L202] RET assume_abort_if_not(var_1_31 <= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=5/4, var_1_18=1000005, var_1_19=1000008, var_1_1=8, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=1, var_1_4=127, var_1_5=1, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L224] RET updateVariables() [L225] CALL step() [L59] signed long int stepLocal_5 = last_1_var_1_7; [L60] signed long int stepLocal_4 = last_1_var_1_7; [L61] signed long int stepLocal_3 = last_1_var_1_1; [L62] COND TRUE stepLocal_4 > last_1_var_1_6 [L63] COND TRUE stepLocal_5 < last_1_var_1_25 [L64] COND FALSE !(stepLocal_3 <= last_1_var_1_12) [L67] var_1_12 = (((((var_1_5) < (var_1_15)) ? (var_1_5) : (var_1_15))) + var_1_16) [L73] COND FALSE !(last_1_var_1_25 < last_1_var_1_1) [L80] var_1_28 = var_1_31 [L82] COND FALSE !(var_1_21 != var_1_19) [L89] var_1_25 = (var_1_14 - (var_1_26 - var_1_24)) [L91] unsigned char stepLocal_0 = ! var_1_28; [L92] COND FALSE !(stepLocal_0 && var_1_28) [L95] COND TRUE \read(var_1_28) [L96] var_1_1 = var_1_5 [L101] var_1_7 = var_1_5 [L102] unsigned char stepLocal_2 = var_1_12; [L103] COND TRUE stepLocal_2 == ((((var_1_7) > (var_1_12)) ? (var_1_7) : (var_1_12))) [L104] COND TRUE ! (var_1_12 > ((((var_1_7) < (var_1_4)) ? (var_1_7) : (var_1_4)))) [L105] var_1_8 = var_1_9 [L108] COND FALSE !(var_1_12 < var_1_12) [L111] COND TRUE \read(var_1_28) [L112] var_1_10 = var_1_4 [L117] unsigned char stepLocal_10 = var_1_9; [L118] signed short int stepLocal_9 = var_1_10; [L119] unsigned char stepLocal_8 = var_1_15; [L120] COND TRUE \read(var_1_28) [L121] var_1_27 = var_1_5 [L135] unsigned char stepLocal_1 = var_1_4 > 2; [L136] COND TRUE \read(var_1_28) [L137] var_1_6 = (var_1_4 + var_1_27) [L143] signed short int stepLocal_7 = var_1_27; [L144] COND FALSE !(\read(var_1_8)) [L151] signed short int stepLocal_6 = var_1_10; [L152] COND FALSE !(\read(var_1_8)) [L159] var_1_17 = var_1_21 [L225] RET step() [L226] CALL, EXPR property() [L215-L216] return ((((((((((((! var_1_28) && var_1_28) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_28 ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) 1)))) && (var_1_28 ? (var_1_6 == ((unsigned long int) (var_1_4 + var_1_27))) : (((var_1_4 > 2) && var_1_8) ? (var_1_6 == ((unsigned long int) ((((var_1_27) > (var_1_4)) ? (var_1_27) : (var_1_4))))) : 1))) && (var_1_7 == ((signed short int) var_1_5))) && ((var_1_12 == ((((var_1_7) > (var_1_12)) ? (var_1_7) : (var_1_12)))) ? ((! (var_1_12 > ((((var_1_7) < (var_1_4)) ? (var_1_7) : (var_1_4))))) ? (var_1_8 == ((unsigned char) var_1_9)) : 1) : 1)) && ((var_1_12 < var_1_12) ? (var_1_10 == ((signed short int) (var_1_25 - ((((var_1_5) < (16)) ? (var_1_5) : (16)))))) : (var_1_28 ? (var_1_10 == ((signed short int) var_1_4)) : (var_1_10 == ((signed short int) var_1_25))))) && ((last_1_var_1_7 > last_1_var_1_6) ? ((last_1_var_1_7 < last_1_var_1_25) ? ((last_1_var_1_1 <= last_1_var_1_12) ? (var_1_12 == ((unsigned char) (((((var_1_4) < (var_1_14)) ? (var_1_4) : (var_1_14))) - var_1_5))) : (var_1_12 == ((unsigned char) (((((var_1_5) < (var_1_15)) ? (var_1_5) : (var_1_15))) + var_1_16)))) : (var_1_12 == ((unsigned char) var_1_16))) : 1)) && (var_1_8 ? ((var_1_10 <= var_1_23) ? (var_1_17 == ((float) ((((((1.0000000000000012E14f + var_1_18)) < (var_1_19)) ? ((1.0000000000000012E14f + var_1_18)) : (var_1_19))) + var_1_20))) : (var_1_17 == ((float) (var_1_21 - var_1_22)))) : (var_1_17 == ((float) var_1_21)))) && (var_1_8 ? ((var_1_27 <= last_1_var_1_23) ? (var_1_23 == ((unsigned char) 10)) : (var_1_23 == ((unsigned char) ((200 - var_1_24) - 64)))) : 1)) && ((var_1_21 != var_1_19) ? (var_1_28 ? (var_1_25 == ((unsigned char) ((((var_1_24) < (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) ? (var_1_24) : (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))))))) : (var_1_25 == ((unsigned char) ((((4) > (var_1_5)) ? (4) : (var_1_5)))))) : (var_1_25 == ((unsigned char) (var_1_14 - (var_1_26 - var_1_24)))))) && (var_1_28 ? (var_1_27 == ((signed short int) var_1_5)) : (var_1_28 ? ((var_1_10 <= var_1_15) ? (var_1_27 == ((signed short int) -10)) : 1) : ((var_1_10 <= (var_1_4 - var_1_5)) ? ((var_1_9 || (var_1_19 < var_1_20)) ? (var_1_27 == ((signed short int) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + ((((var_1_14) > (var_1_10)) ? (var_1_14) : (var_1_10)))))) : 1) : 1)))) && ((last_1_var_1_25 < last_1_var_1_1) ? (((- last_1_var_1_17) < ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))) ? (var_1_28 == ((unsigned char) ((last_1_var_1_28 || var_1_9) && var_1_30))) : (var_1_28 == ((unsigned char) var_1_30))) : (var_1_28 == ((unsigned char) var_1_31))) ; [L226] RET, EXPR property() [L226] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=127, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=1000006, var_1_18=1000005, var_1_19=1000008, var_1_1=1, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=127, var_1_26=63, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=1, var_1_4=127, var_1_5=1, var_1_6=128, var_1_7=1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=127, var_1_12=1, var_1_14=127, var_1_15=0, var_1_16=1, var_1_17=1000006, var_1_18=1000005, var_1_19=1000008, var_1_1=1, var_1_20=1000009, var_1_21=1000006, var_1_22=1000007, var_1_23=4, var_1_24=63, var_1_25=127, var_1_26=63, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=1, var_1_4=127, var_1_5=1, var_1_6=128, var_1_7=1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 25, 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=49occurred 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: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 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 00:53:40,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 9a4594ea31ffbf6212ff96fe98d0ce3ce9979c812b849295a80843482179f790 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:53:42,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:42,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:53:42,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:42,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:43,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:43,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:43,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:43,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:43,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:43,022 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:43,022 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:43,023 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:43,025 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:43,025 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:43,026 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:43,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:43,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:43,028 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:53:43,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:53:43,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:43,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:43,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:43,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:43,032 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:53:43,032 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:53:43,033 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:53:43,033 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:53:43,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:43,034 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:43,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:43,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:53:43,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:43,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:43,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:43,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:43,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:53:43,038 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:53:43,038 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:53:43,039 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:53:43,040 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:43,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:43,041 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_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a4594ea31ffbf6212ff96fe98d0ce3ce9979c812b849295a80843482179f790 [2023-11-12 00:53:43,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:43,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:43,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:43,538 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:43,539 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:43,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-99.i [2023-11-12 00:53:46,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:47,242 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:47,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-99.i [2023-11-12 00:53:47,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/data/83d4edced/85d868971d324e7c9b5339727df8d422/FLAG6cc238c81 [2023-11-12 00:53:47,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/data/83d4edced/85d868971d324e7c9b5339727df8d422 [2023-11-12 00:53:47,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:47,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:47,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:47,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:47,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:47,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522da0eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47, skipping insertion in model container [2023-11-12 00:53:47,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,344 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:47,538 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_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-99.i[916,929] [2023-11-12 00:53:47,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:47,718 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:47,736 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_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-99.i[916,929] [2023-11-12 00:53:47,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:47,847 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:53:47,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47 WrapperNode [2023-11-12 00:53:47,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:47,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:47,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:53:47,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:53:47,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,939 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213 [2023-11-12 00:53:47,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:47,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:53:47,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:53:47,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:53:47,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:48,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:48,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:48,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:48,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:48,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:48,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:48,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:48,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:48,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:48,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:48,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:48,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:53:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:53:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:53:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:48,258 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:48,260 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:53:49,743 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:53:49,751 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:53:49,751 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:53:49,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:49 BoogieIcfgContainer [2023-11-12 00:53:49,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:53:49,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:53:49,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:53:49,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:53:49,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:53:47" (1/3) ... [2023-11-12 00:53:49,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdee11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:49, skipping insertion in model container [2023-11-12 00:53:49,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (2/3) ... [2023-11-12 00:53:49,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdee11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:49, skipping insertion in model container [2023-11-12 00:53:49,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:49" (3/3) ... [2023-11-12 00:53:49,763 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-99.i [2023-11-12 00:53:49,784 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:53:49,784 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:53:49,854 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:53:49,861 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;@639ecb51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:53:49,862 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:53:49,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 62 states have (on average 1.467741935483871) internal successors, (91), 63 states have internal predecessors, (91), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:53:49,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-12 00:53:49,893 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:49,895 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:49,899 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:49,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:49,907 INFO L85 PathProgramCache]: Analyzing trace with hash 730087859, now seen corresponding path program 1 times [2023-11-12 00:53:49,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:49,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1611862517] [2023-11-12 00:53:49,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:49,928 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 00:53:49,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:49,930 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:53:49,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:53:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:50,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:53:50,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-11-12 00:53:50,646 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:50,647 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:50,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1611862517] [2023-11-12 00:53:50,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1611862517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:50,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:50,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:53:50,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989393863] [2023-11-12 00:53:50,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:50,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:53:50,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:50,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:53:50,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:53:50,691 INFO L87 Difference]: Start difference. First operand has 90 states, 62 states have (on average 1.467741935483871) internal successors, (91), 63 states have internal predecessors, (91), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 00:53:50,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:50,733 INFO L93 Difference]: Finished difference Result 177 states and 304 transitions. [2023-11-12 00:53:50,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:53:50,739 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 165 [2023-11-12 00:53:50,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:50,756 INFO L225 Difference]: With dead ends: 177 [2023-11-12 00:53:50,756 INFO L226 Difference]: Without dead ends: 86 [2023-11-12 00:53:50,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 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 00:53:50,767 INFO L413 NwaCegarLoop]: 137 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, 137 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 00:53:50,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:53:50,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-12 00:53:50,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-12 00:53:50,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:53:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 133 transitions. [2023-11-12 00:53:50,828 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 133 transitions. Word has length 165 [2023-11-12 00:53:50,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:50,828 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 133 transitions. [2023-11-12 00:53:50,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 00:53:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 133 transitions. [2023-11-12 00:53:50,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-12 00:53:50,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:50,834 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:50,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:53:51,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:53:51,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:51,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:51,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1036199305, now seen corresponding path program 1 times [2023-11-12 00:53:51,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:51,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834835636] [2023-11-12 00:53:51,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:51,056 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 00:53:51,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:51,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:53:51,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:53:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:51,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:53:51,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-12 00:53:53,077 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:53,077 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:53,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834835636] [2023-11-12 00:53:53,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834835636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:53,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:53,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:53:53,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143533924] [2023-11-12 00:53:53,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:53,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:53:53,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:53,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:53:53,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:53:53,091 INFO L87 Difference]: Start difference. First operand 86 states and 133 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:53:54,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:54,615 INFO L93 Difference]: Finished difference Result 253 states and 394 transitions. [2023-11-12 00:53:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:53:54,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 166 [2023-11-12 00:53:54,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:54,633 INFO L225 Difference]: With dead ends: 253 [2023-11-12 00:53:54,633 INFO L226 Difference]: Without dead ends: 170 [2023-11-12 00:53:54,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:53:54,636 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 152 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:54,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 452 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-12 00:53:54,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-12 00:53:54,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 133. [2023-11-12 00:53:54,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 80 states have (on average 1.3) internal successors, (104), 80 states have internal predecessors, (104), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-12 00:53:54,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 204 transitions. [2023-11-12 00:53:54,697 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 204 transitions. Word has length 166 [2023-11-12 00:53:54,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:54,698 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 204 transitions. [2023-11-12 00:53:54,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:53:54,699 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 204 transitions. [2023-11-12 00:53:54,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-12 00:53:54,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:54,703 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:54,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:53:54,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:53:54,918 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:54,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:54,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1770058838, now seen corresponding path program 1 times [2023-11-12 00:53:54,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:54,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587056641] [2023-11-12 00:53:54,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:54,921 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 00:53:54,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:54,923 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:53:54,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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)] Waiting until timeout for monitored process [2023-11-12 00:53:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:55,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:53:55,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:55,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-12 00:53:55,840 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:55,841 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:55,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587056641] [2023-11-12 00:53:55,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587056641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:55,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:55,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:53:55,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066033442] [2023-11-12 00:53:55,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:55,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:53:55,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:55,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:53:55,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:53:55,864 INFO L87 Difference]: Start difference. First operand 133 states and 204 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:53:57,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:57,567 INFO L93 Difference]: Finished difference Result 253 states and 393 transitions. [2023-11-12 00:53:57,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:53:57,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 167 [2023-11-12 00:53:57,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:57,580 INFO L225 Difference]: With dead ends: 253 [2023-11-12 00:53:57,580 INFO L226 Difference]: Without dead ends: 170 [2023-11-12 00:53:57,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:53:57,582 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 148 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:57,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 507 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-12 00:53:57,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-12 00:53:57,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 134. [2023-11-12 00:53:57,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 81 states have (on average 1.2962962962962963) internal successors, (105), 81 states have internal predecessors, (105), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-12 00:53:57,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 205 transitions. [2023-11-12 00:53:57,652 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 205 transitions. Word has length 167 [2023-11-12 00:53:57,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:57,655 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 205 transitions. [2023-11-12 00:53:57,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:53:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 205 transitions. [2023-11-12 00:53:57,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-12 00:53:57,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:57,661 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:57,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:53:57,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:53:57,881 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:57,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:57,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1830442356, now seen corresponding path program 1 times [2023-11-12 00:53:57,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:57,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201233445] [2023-11-12 00:53:57,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:57,883 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 00:53:57,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:57,889 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:53:57,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:53:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:58,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:53:58,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-12 00:53:59,345 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:59,346 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:59,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201233445] [2023-11-12 00:53:59,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201233445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:59,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:59,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:53:59,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436578240] [2023-11-12 00:53:59,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:59,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:53:59,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:59,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:53:59,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:53:59,349 INFO L87 Difference]: Start difference. First operand 134 states and 205 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:54:00,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:00,905 INFO L93 Difference]: Finished difference Result 253 states and 392 transitions. [2023-11-12 00:54:00,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:54:00,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 168 [2023-11-12 00:54:00,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:00,922 INFO L225 Difference]: With dead ends: 253 [2023-11-12 00:54:00,922 INFO L226 Difference]: Without dead ends: 170 [2023-11-12 00:54:00,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:54:00,924 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 130 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:00,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 441 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-12 00:54:00,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-12 00:54:00,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 135. [2023-11-12 00:54:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 82 states have (on average 1.2926829268292683) internal successors, (106), 82 states have internal predecessors, (106), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-12 00:54:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 206 transitions. [2023-11-12 00:54:00,965 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 206 transitions. Word has length 168 [2023-11-12 00:54:00,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:00,966 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 206 transitions. [2023-11-12 00:54:00,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:54:00,967 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 206 transitions. [2023-11-12 00:54:00,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-12 00:54:00,969 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:00,970 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:00,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:54:01,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:54:01,189 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:01,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:01,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1407740530, now seen corresponding path program 1 times [2023-11-12 00:54:01,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:54:01,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063638110] [2023-11-12 00:54:01,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:01,191 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 00:54:01,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:54:01,194 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:54:01,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 (6)] Waiting until timeout for monitored process [2023-11-12 00:54:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:01,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 00:54:01,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-12 00:54:01,865 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:54:01,866 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:54:01,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063638110] [2023-11-12 00:54:01,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063638110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:01,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:01,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-12 00:54:01,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590901763] [2023-11-12 00:54:01,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:01,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 00:54:01,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:54:01,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 00:54:01,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-12 00:54:01,869 INFO L87 Difference]: Start difference. First operand 135 states and 206 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 00:54:04,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:04,195 INFO L93 Difference]: Finished difference Result 322 states and 477 transitions. [2023-11-12 00:54:04,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-12 00:54:04,196 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) Word has length 168 [2023-11-12 00:54:04,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:04,202 INFO L225 Difference]: With dead ends: 322 [2023-11-12 00:54:04,202 INFO L226 Difference]: Without dead ends: 239 [2023-11-12 00:54:04,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2023-11-12 00:54:04,206 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 279 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:04,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 782 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-12 00:54:04,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-11-12 00:54:04,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 161. [2023-11-12 00:54:04,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 105 states have (on average 1.2571428571428571) internal successors, (132), 105 states have internal predecessors, (132), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-12 00:54:04,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 232 transitions. [2023-11-12 00:54:04,266 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 232 transitions. Word has length 168 [2023-11-12 00:54:04,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:04,271 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 232 transitions. [2023-11-12 00:54:04,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 00:54:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 232 transitions. [2023-11-12 00:54:04,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-12 00:54:04,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:04,276 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:04,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:54:04,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:54:04,498 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:04,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:04,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1269185546, now seen corresponding path program 1 times [2023-11-12 00:54:04,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:54:04,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364668656] [2023-11-12 00:54:04,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:04,499 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 00:54:04,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:54:04,501 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:54:04,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 (7)] Waiting until timeout for monitored process [2023-11-12 00:54:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:04,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:54:04,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-12 00:54:05,324 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:54:05,325 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:54:05,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364668656] [2023-11-12 00:54:05,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [364668656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:05,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:05,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:54:05,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201845123] [2023-11-12 00:54:05,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:05,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:54:05,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:54:05,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:54:05,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:54:05,327 INFO L87 Difference]: Start difference. First operand 161 states and 232 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:54:05,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:05,934 INFO L93 Difference]: Finished difference Result 371 states and 538 transitions. [2023-11-12 00:54:05,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:54:05,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 169 [2023-11-12 00:54:05,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:05,952 INFO L225 Difference]: With dead ends: 371 [2023-11-12 00:54:05,952 INFO L226 Difference]: Without dead ends: 266 [2023-11-12 00:54:05,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:54:05,957 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 40 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:05,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 264 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 00:54:05,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2023-11-12 00:54:06,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 264. [2023-11-12 00:54:06,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 180 states have (on average 1.288888888888889) internal successors, (232), 180 states have internal predecessors, (232), 75 states have call successors, (75), 8 states have call predecessors, (75), 8 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-12 00:54:06,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 382 transitions. [2023-11-12 00:54:06,037 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 382 transitions. Word has length 169 [2023-11-12 00:54:06,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:06,040 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 382 transitions. [2023-11-12 00:54:06,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:54:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 382 transitions. [2023-11-12 00:54:06,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:54:06,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:06,044 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:06,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:54:06,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:54:06,259 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:06,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:06,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1364040876, now seen corresponding path program 1 times [2023-11-12 00:54:06,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:54:06,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118609144] [2023-11-12 00:54:06,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:06,261 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 00:54:06,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:54:06,262 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 00:54:06,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d29d767-a98c-48ca-bcdb-f3dae2ea1360/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 (8)] Waiting until timeout for monitored process [2023-11-12 00:54:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:06,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-12 00:54:06,645 INFO L285 TraceCheckSpWp]: Computing forward predicates...