./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh --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 85203f26a83ad69778292af9e7fa30addf5d4520d3d2767587ebe1fd49fdeceb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:03:30,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:03:30,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 20:03:30,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:03:30,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:03:30,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:03:30,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:03:30,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:03:30,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:03:30,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:03:30,482 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 20:03:30,483 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 20:03:30,483 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 20:03:30,484 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 20:03:30,484 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 20:03:30,485 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 20:03:30,485 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 20:03:30,486 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 20:03:30,486 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 20:03:30,487 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 20:03:30,488 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 20:03:30,488 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 20:03:30,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:03:30,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:03:30,490 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:03:30,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:03:30,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:03:30,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:03:30,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:03:30,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:03:30,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:03:30,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:03:30,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:03:30,494 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:03:30,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:03:30,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:03:30,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:03:30,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:03:30,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:03:30,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:03:30,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:03:30,496 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 20:03:30,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:03:30,496 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:03:30,496 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:03:30,497 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 20:03:30,497 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:03:30,497 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_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85203f26a83ad69778292af9e7fa30addf5d4520d3d2767587ebe1fd49fdeceb [2023-12-02 20:03:30,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:03:30,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:03:30,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:03:30,736 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:03:30,736 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:03:30,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-11.i [2023-12-02 20:03:33,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:03:33,719 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:03:33,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-11.i [2023-12-02 20:03:33,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/data/95fc5f722/439a1b31665d4fec898a4ca122cd6dae/FLAG2e4430280 [2023-12-02 20:03:33,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/data/95fc5f722/439a1b31665d4fec898a4ca122cd6dae [2023-12-02 20:03:33,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:03:33,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:03:33,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:03:33,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:03:33,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:03:33,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:03:33" (1/1) ... [2023-12-02 20:03:33,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@698e09a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:33, skipping insertion in model container [2023-12-02 20:03:33,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:03:33" (1/1) ... [2023-12-02 20:03:33,794 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:03:33,926 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_653e1791-c416-4f3e-8788-831460216127/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-11.i[915,928] [2023-12-02 20:03:33,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:03:34,000 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:03:34,010 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_653e1791-c416-4f3e-8788-831460216127/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-11.i[915,928] [2023-12-02 20:03:34,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:03:34,062 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:03:34,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:34 WrapperNode [2023-12-02 20:03:34,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:03:34,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:03:34,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:03:34,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:03:34,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:34" (1/1) ... [2023-12-02 20:03:34,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:34" (1/1) ... [2023-12-02 20:03:34,114 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2023-12-02 20:03:34,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:03:34,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:03:34,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:03:34,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:03:34,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:34" (1/1) ... [2023-12-02 20:03:34,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:34" (1/1) ... [2023-12-02 20:03:34,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:34" (1/1) ... [2023-12-02 20:03:34,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:34" (1/1) ... [2023-12-02 20:03:34,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:34" (1/1) ... [2023-12-02 20:03:34,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:34" (1/1) ... [2023-12-02 20:03:34,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:34" (1/1) ... [2023-12-02 20:03:34,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:34" (1/1) ... [2023-12-02 20:03:34,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:03:34,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:03:34,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:03:34,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:03:34,155 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:34" (1/1) ... [2023-12-02 20:03:34,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:03:34,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:03:34,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:03:34,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:03:34,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:03:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 20:03:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 20:03:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:03:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:03:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:03:34,296 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:03:34,298 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:03:34,672 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:03:34,919 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:03:34,920 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 20:03:34,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:03:34 BoogieIcfgContainer [2023-12-02 20:03:34,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:03:34,925 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:03:34,925 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:03:34,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:03:34,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:03:33" (1/3) ... [2023-12-02 20:03:34,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd7234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:03:34, skipping insertion in model container [2023-12-02 20:03:34,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:34" (2/3) ... [2023-12-02 20:03:34,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd7234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:03:34, skipping insertion in model container [2023-12-02 20:03:34,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:03:34" (3/3) ... [2023-12-02 20:03:34,931 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-11.i [2023-12-02 20:03:34,951 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:03:34,951 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 20:03:35,009 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 20:03:35,017 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;@59614229, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:03:35,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 20:03:35,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 20:03:35,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 20:03:35,035 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:03:35,036 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:03:35,036 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:03:35,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:03:35,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1025687580, now seen corresponding path program 1 times [2023-12-02 20:03:35,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:03:35,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294457812] [2023-12-02 20:03:35,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:03:35,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:03:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:03:35,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:03:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:03:36,142 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 20:03:36,144 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 20:03:36,145 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 20:03:36,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:03:36,152 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 20:03:36,158 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 20:03:36,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:03:36 BoogieIcfgContainer [2023-12-02 20:03:36,272 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 20:03:36,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:03:36,273 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:03:36,273 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:03:36,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:03:34" (3/4) ... [2023-12-02 20:03:36,276 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 20:03:36,277 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:03:36,279 INFO L158 Benchmark]: Toolchain (without parser) took 2529.28ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 108.8MB in the beginning and 94.1MB in the end (delta: 14.7MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2023-12-02 20:03:36,279 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:03:36,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.31ms. Allocated memory is still 138.4MB. Free memory was 108.8MB in the beginning and 93.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 20:03:36,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.50ms. Allocated memory is still 138.4MB. Free memory was 93.6MB in the beginning and 90.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:03:36,282 INFO L158 Benchmark]: Boogie Preprocessor took 36.84ms. Allocated memory is still 138.4MB. Free memory was 90.8MB in the beginning and 88.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:03:36,282 INFO L158 Benchmark]: RCFGBuilder took 768.23ms. Allocated memory is still 138.4MB. Free memory was 88.7MB in the beginning and 66.2MB in the end (delta: 22.4MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-12-02 20:03:36,283 INFO L158 Benchmark]: TraceAbstraction took 1347.60ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 65.2MB in the beginning and 94.1MB in the end (delta: -29.0MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2023-12-02 20:03:36,284 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 167.8MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:03:36,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.31ms. Allocated memory is still 138.4MB. Free memory was 108.8MB in the beginning and 93.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.50ms. Allocated memory is still 138.4MB. Free memory was 93.6MB in the beginning and 90.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.84ms. Allocated memory is still 138.4MB. Free memory was 90.8MB in the beginning and 88.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 768.23ms. Allocated memory is still 138.4MB. Free memory was 88.7MB in the beginning and 66.2MB in the end (delta: 22.4MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1347.60ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 65.2MB in the beginning and 94.1MB in the end (delta: -29.0MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 167.8MB. Free memory is still 94.1MB. 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 76, overapproximation of shiftRight at line 68, overapproximation of someUnaryDOUBLEoperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed char var_1_7 = 0; [L27] signed char var_1_8 = 16; [L28] signed char var_1_9 = 4; [L29] unsigned long int var_1_10 = 128; [L30] unsigned long int var_1_11 = 1422462314; [L31] signed short int var_1_12 = 8; [L32] signed short int var_1_15 = -50; [L33] unsigned long int var_1_16 = 1; [L34] unsigned long int var_1_17 = 3609236770; [L35] unsigned long int var_1_18 = 2902762324; [L36] double var_1_19 = 3.8; [L37] double var_1_20 = 255.75; [L38] unsigned short int var_1_21 = 0; [L39] signed char var_1_22 = -8; [L40] signed long int var_1_23 = -32; [L41] signed char var_1_24 = -128; [L42] unsigned char var_1_25 = 10; [L43] signed char var_1_26 = 10; [L44] unsigned char var_1_27 = 128; [L45] unsigned char var_1_28 = 100; [L46] unsigned char var_1_29 = 1; [L47] float var_1_30 = 31.3; [L48] float var_1_31 = 1.5; [L49] float var_1_32 = 15.25; [L50] double var_1_33 = 128.8; [L51] signed char var_1_34 = 4; [L52] signed char var_1_35 = 1; [L53] unsigned char var_1_36 = 16; [L54] unsigned long int last_1_var_1_10 = 128; [L55] unsigned long int last_1_var_1_16 = 1; [L56] double last_1_var_1_19 = 3.8; [L207] isInitial = 1 [L208] FCALL initially() [L209] COND TRUE 1 [L210] CALL updateLastVariables() [L198] last_1_var_1_10 = var_1_10 [L199] last_1_var_1_16 = var_1_16 [L200] last_1_var_1_19 = var_1_19 [L210] RET updateLastVariables() [L211] CALL updateVariables() [L145] var_1_2 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L147] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L148] var_1_3 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L150] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L151] var_1_7 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L153] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L154] var_1_8 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4] [L156] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4] [L157] var_1_9 = __VERIFIER_nondet_char() [L158] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L159] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L160] var_1_11 = __VERIFIER_nondet_ulong() [L161] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L162] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L163] var_1_17 = __VERIFIER_nondet_ulong() [L164] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L165] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L166] var_1_18 = __VERIFIER_nondet_ulong() [L167] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L168] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L169] var_1_20 = __VERIFIER_nondet_double() [L170] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=-128, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L171] var_1_24 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_24 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_24 >= -128) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L173] CALL assume_abort_if_not(var_1_24 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_24 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=10, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L174] var_1_26 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_26 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_26 >= -128) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L176] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=128, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L177] var_1_27 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_27 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_27 >= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L179] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=100, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L180] var_1_28 = __VERIFIER_nondet_uchar() [L181] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L182] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L183] var_1_29 = __VERIFIER_nondet_uchar() [L184] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L185] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L186] var_1_31 = __VERIFIER_nondet_float() [L187] CALL assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L188] var_1_32 = __VERIFIER_nondet_float() [L189] CALL assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L190] var_1_34 = __VERIFIER_nondet_char() [L191] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=1, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=1, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L192] CALL assume_abort_if_not(var_1_34 <= 5) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=1, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_34 <= 5) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=1, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L193] var_1_35 = __VERIFIER_nondet_char() [L194] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L195] CALL assume_abort_if_not(var_1_35 <= 4) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_35 <= 4) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483648, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=0, var_1_25=10, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=126] [L211] RET updateVariables() [L212] CALL step() [L60] var_1_22 = ((((-25) < 0 ) ? -(-25) : (-25))) [L61] COND TRUE var_1_22 > var_1_24 [L62] COND TRUE (~ var_1_22) <= 128 [L63] var_1_23 = var_1_24 [L68] EXPR var_1_26 >> var_1_23 [L68] EXPR ((var_1_22) < ((var_1_26 >> var_1_23))) ? (var_1_22) : ((var_1_26 >> var_1_23)) [L68] COND TRUE var_1_24 <= ((((var_1_22) < ((var_1_26 >> var_1_23))) ? (var_1_22) : ((var_1_26 >> var_1_23)))) [L69] var_1_25 = (var_1_27 - var_1_28) [L75] COND TRUE \read(var_1_29) [L76] var_1_30 = ((((var_1_31) < ((1.625f + ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32)))))) ? (var_1_31) : ((1.625f + ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32))))))) [L78] COND TRUE var_1_26 >= var_1_24 [L79] EXPR var_1_27 >> (var_1_34 + var_1_35) [L79] COND FALSE !((var_1_27 >> (var_1_34 + var_1_35)) <= var_1_28) [L88] var_1_33 = var_1_31 [L91] COND TRUE var_1_27 >= (var_1_28 + var_1_22) [L92] COND FALSE !((-0.95f * ((((var_1_33) < 0 ) ? -(var_1_33) : (var_1_33)))) > var_1_31) [L95] COND TRUE var_1_30 > 128.5f [L96] var_1_36 = var_1_28 [L102] unsigned long int stepLocal_1 = last_1_var_1_16; [L103] unsigned long int stepLocal_0 = last_1_var_1_16; [L104] COND TRUE stepLocal_1 != last_1_var_1_10 [L105] COND FALSE !(var_1_8 <= stepLocal_0) [L113] COND TRUE var_1_12 == var_1_12 [L114] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9) [L116] var_1_1 = (var_1_2 || (! var_1_3)) [L117] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) [L118] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) [L119] COND TRUE \read(var_1_1) [L120] COND TRUE var_1_19 >= var_1_19 [L121] COND TRUE ! var_1_3 [L122] var_1_15 = var_1_8 [L130] COND FALSE !(var_1_19 != var_1_19) [L133] COND FALSE !(var_1_4 > var_1_12) [L136] var_1_16 = (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9) [L139] unsigned char stepLocal_2 = var_1_1; [L140] COND FALSE !((var_1_16 == (var_1_8 - var_1_9)) && stepLocal_2) [L212] RET step() [L213] CALL, EXPR property() [L203-L204] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_12 == var_1_12) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((last_1_var_1_16 != last_1_var_1_10) ? ((var_1_8 <= last_1_var_1_16) ? (((- last_1_var_1_19) >= last_1_var_1_19) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_1 ? ((var_1_19 >= var_1_19) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_19 != var_1_19) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_4 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_16 == (var_1_8 - var_1_9)) && var_1_1) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; [L213] RET, EXPR property() [L213] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=1879543162, var_1_11=2147483647, var_1_12=8, var_1_15=2, var_1_16=2147483522, var_1_17=2147483648, var_1_18=2147483647, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=126, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=313/10, var_1_32=313/10, var_1_33=313/10, var_1_34=1, var_1_35=0, var_1_36=127, var_1_3=0, var_1_4=-116, var_1_7=0, var_1_8=2, var_1_9=126] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=1879543162, var_1_11=2147483647, var_1_12=8, var_1_15=2, var_1_16=2147483522, var_1_17=2147483648, var_1_18=2147483647, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=126, var_1_26=26, var_1_27=253, var_1_28=127, var_1_29=1, var_1_2=1, var_1_30=313/10, var_1_31=313/10, var_1_32=313/10, var_1_33=313/10, var_1_34=1, var_1_35=0, var_1_36=127, var_1_3=0, var_1_4=-116, var_1_7=0, var_1_8=2, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 33, 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=60occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 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 [2023-12-02 20:03:36,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh --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 85203f26a83ad69778292af9e7fa30addf5d4520d3d2767587ebe1fd49fdeceb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:03:38,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:03:38,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 20:03:38,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:03:38,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:03:38,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:03:38,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:03:38,558 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:03:38,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:03:38,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:03:38,560 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 20:03:38,561 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 20:03:38,561 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 20:03:38,562 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 20:03:38,563 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 20:03:38,563 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 20:03:38,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:03:38,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:03:38,565 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:03:38,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:03:38,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:03:38,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:03:38,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:03:38,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:03:38,568 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:03:38,569 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:03:38,569 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:03:38,570 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:03:38,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:03:38,571 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:03:38,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:03:38,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:03:38,572 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:03:38,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:03:38,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:03:38,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:03:38,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:03:38,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:03:38,573 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:03:38,573 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:03:38,574 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:03:38,574 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:03:38,574 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 20:03:38,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:03:38,575 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_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85203f26a83ad69778292af9e7fa30addf5d4520d3d2767587ebe1fd49fdeceb [2023-12-02 20:03:38,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:03:38,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:03:38,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:03:38,881 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:03:38,881 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:03:38,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-11.i [2023-12-02 20:03:41,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:03:41,944 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:03:41,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-11.i [2023-12-02 20:03:41,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/data/54fe61f31/c4360564c473442b9958b2ce2a936b5c/FLAG506ffe760 [2023-12-02 20:03:41,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/data/54fe61f31/c4360564c473442b9958b2ce2a936b5c [2023-12-02 20:03:41,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:03:41,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:03:41,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:03:41,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:03:41,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:03:41,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:03:41" (1/1) ... [2023-12-02 20:03:41,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187c5b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:41, skipping insertion in model container [2023-12-02 20:03:41,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:03:41" (1/1) ... [2023-12-02 20:03:42,012 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:03:42,142 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_653e1791-c416-4f3e-8788-831460216127/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-11.i[915,928] [2023-12-02 20:03:42,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:03:42,222 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:03:42,233 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_653e1791-c416-4f3e-8788-831460216127/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-11.i[915,928] [2023-12-02 20:03:42,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:03:42,289 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:03:42,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:42 WrapperNode [2023-12-02 20:03:42,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:03:42,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:03:42,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:03:42,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:03:42,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:42" (1/1) ... [2023-12-02 20:03:42,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:42" (1/1) ... [2023-12-02 20:03:42,340 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-12-02 20:03:42,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:03:42,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:03:42,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:03:42,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:03:42,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:42" (1/1) ... [2023-12-02 20:03:42,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:42" (1/1) ... [2023-12-02 20:03:42,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:42" (1/1) ... [2023-12-02 20:03:42,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:42" (1/1) ... [2023-12-02 20:03:42,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:42" (1/1) ... [2023-12-02 20:03:42,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:42" (1/1) ... [2023-12-02 20:03:42,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:42" (1/1) ... [2023-12-02 20:03:42,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:42" (1/1) ... [2023-12-02 20:03:42,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:03:42,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:03:42,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:03:42,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:03:42,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:42" (1/1) ... [2023-12-02 20:03:42,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:03:42,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:03:42,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:03:42,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:03:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:03:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:03:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 20:03:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 20:03:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:03:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:03:42,550 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:03:42,552 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:03:46,169 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:03:46,215 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:03:46,216 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 20:03:46,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:03:46 BoogieIcfgContainer [2023-12-02 20:03:46,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:03:46,219 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:03:46,219 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:03:46,222 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:03:46,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:03:41" (1/3) ... [2023-12-02 20:03:46,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689f943c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:03:46, skipping insertion in model container [2023-12-02 20:03:46,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:03:42" (2/3) ... [2023-12-02 20:03:46,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689f943c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:03:46, skipping insertion in model container [2023-12-02 20:03:46,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:03:46" (3/3) ... [2023-12-02 20:03:46,226 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-11.i [2023-12-02 20:03:46,245 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:03:46,245 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 20:03:46,296 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 20:03:46,303 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;@7ac46e24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:03:46,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 20:03:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 53 states have (on average 1.509433962264151) internal successors, (80), 54 states have internal predecessors, (80), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 20:03:46,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-02 20:03:46,326 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:03:46,327 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:03:46,328 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:03:46,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:03:46,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1532041677, now seen corresponding path program 1 times [2023-12-02 20:03:46,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 20:03:46,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413986272] [2023-12-02 20:03:46,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:03:46,348 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 [2023-12-02 20:03:46,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 20:03:46,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 20:03:46,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:03:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:03:46,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 20:03:46,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:03:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1024 proven. 0 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2023-12-02 20:03:46,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:03:46,717 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 20:03:46,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413986272] [2023-12-02 20:03:46,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1413986272] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:03:46,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:03:46,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:03:46,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723953574] [2023-12-02 20:03:46,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:03:46,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 20:03:46,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 20:03:46,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 20:03:46,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 20:03:46,759 INFO L87 Difference]: Start difference. First operand has 89 states, 53 states have (on average 1.509433962264151) internal successors, (80), 54 states have internal predecessors, (80), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 20:03:46,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:03:46,827 INFO L93 Difference]: Finished difference Result 175 states and 323 transitions. [2023-12-02 20:03:46,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:03:46,831 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 201 [2023-12-02 20:03:46,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:03:46,839 INFO L225 Difference]: With dead ends: 175 [2023-12-02 20:03:46,839 INFO L226 Difference]: Without dead ends: 87 [2023-12-02 20:03:46,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 20:03:46,847 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 20:03:46,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 20:03:46,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-12-02 20:03:46,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-12-02 20:03:46,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 20:03:46,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 139 transitions. [2023-12-02 20:03:46,895 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 139 transitions. Word has length 201 [2023-12-02 20:03:46,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:03:46,896 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 139 transitions. [2023-12-02 20:03:46,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 20:03:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2023-12-02 20:03:46,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-02 20:03:46,902 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:03:46,902 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:03:46,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 20:03:47,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:03:47,106 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:03:47,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:03:47,107 INFO L85 PathProgramCache]: Analyzing trace with hash 873159151, now seen corresponding path program 1 times [2023-12-02 20:03:47,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 20:03:47,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384688257] [2023-12-02 20:03:47,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:03:47,108 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 [2023-12-02 20:03:47,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 20:03:47,110 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 20:03:47,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:03:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:03:47,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:03:47,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:03:49,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 20:03:49,033 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:03:49,034 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 20:03:49,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384688257] [2023-12-02 20:03:49,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384688257] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:03:49,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:03:49,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:03:49,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118701536] [2023-12-02 20:03:49,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:03:49,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:03:49,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 20:03:49,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:03:49,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:03:49,038 INFO L87 Difference]: Start difference. First operand 87 states and 139 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 20:03:49,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:03:49,610 INFO L93 Difference]: Finished difference Result 260 states and 416 transitions. [2023-12-02 20:03:49,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:03:49,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 201 [2023-12-02 20:03:49,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:03:49,617 INFO L225 Difference]: With dead ends: 260 [2023-12-02 20:03:49,617 INFO L226 Difference]: Without dead ends: 174 [2023-12-02 20:03:49,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:03:49,621 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 116 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 20:03:49,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 463 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 20:03:49,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-12-02 20:03:49,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 157. [2023-12-02 20:03:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 20:03:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 252 transitions. [2023-12-02 20:03:49,657 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 252 transitions. Word has length 201 [2023-12-02 20:03:49,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:03:49,659 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 252 transitions. [2023-12-02 20:03:49,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 20:03:49,659 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 252 transitions. [2023-12-02 20:03:49,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-02 20:03:49,663 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:03:49,664 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:03:49,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:03:49,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:03:49,870 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:03:49,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:03:49,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1619746473, now seen corresponding path program 1 times [2023-12-02 20:03:49,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 20:03:49,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1342997349] [2023-12-02 20:03:49,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:03:49,872 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 [2023-12-02 20:03:49,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 20:03:49,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 20:03:49,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:03:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:03:50,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:03:50,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:03:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 386 proven. 87 refuted. 0 times theorem prover too weak. 1639 trivial. 0 not checked. [2023-12-02 20:03:50,689 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:03:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 9 proven. 87 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 20:03:51,094 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 20:03:51,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1342997349] [2023-12-02 20:03:51,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1342997349] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:03:51,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [990811563] [2023-12-02 20:03:51,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:03:51,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:03:51,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 20:03:51,130 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:03:51,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 20:03:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:03:51,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:03:51,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:03:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 20:03:51,648 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:03:51,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [990811563] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:03:51,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:03:51,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 11 [2023-12-02 20:03:51,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846298870] [2023-12-02 20:03:51,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:03:51,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:03:51,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 20:03:51,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:03:51,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-12-02 20:03:51,651 INFO L87 Difference]: Start difference. First operand 157 states and 252 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 20:03:51,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:03:51,793 INFO L93 Difference]: Finished difference Result 326 states and 522 transitions. [2023-12-02 20:03:51,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:03:51,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 202 [2023-12-02 20:03:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:03:51,799 INFO L225 Difference]: With dead ends: 326 [2023-12-02 20:03:51,799 INFO L226 Difference]: Without dead ends: 240 [2023-12-02 20:03:51,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 593 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:03:51,802 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 130 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 20:03:51,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 633 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 20:03:51,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-12-02 20:03:51,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 161. [2023-12-02 20:03:51,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 92 states have (on average 1.3695652173913044) internal successors, (126), 92 states have internal predecessors, (126), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 20:03:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 258 transitions. [2023-12-02 20:03:51,845 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 258 transitions. Word has length 202 [2023-12-02 20:03:51,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:03:51,846 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 258 transitions. [2023-12-02 20:03:51,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 20:03:51,847 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 258 transitions. [2023-12-02 20:03:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-02 20:03:51,850 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:03:51,850 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:03:51,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 20:03:52,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 20:03:52,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 20:03:52,254 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:03:52,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:03:52,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1619806055, now seen corresponding path program 1 times [2023-12-02 20:03:52,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 20:03:52,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457142865] [2023-12-02 20:03:52,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:03:52,256 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 [2023-12-02 20:03:52,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 20:03:52,257 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 20:03:52,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:03:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:03:52,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:03:52,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:03:53,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 386 proven. 87 refuted. 0 times theorem prover too weak. 1639 trivial. 0 not checked. [2023-12-02 20:03:53,064 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:03:53,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 9 proven. 87 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 20:03:53,418 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 20:03:53,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [457142865] [2023-12-02 20:03:53,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [457142865] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:03:53,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1437351381] [2023-12-02 20:03:53,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:03:53,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:03:53,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 20:03:53,423 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:03:53,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 20:03:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:03:54,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:03:54,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:03:54,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 20:03:54,926 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:03:54,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1437351381] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:03:54,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:03:54,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 11 [2023-12-02 20:03:54,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403588798] [2023-12-02 20:03:54,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:03:54,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:03:54,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 20:03:54,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:03:54,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-12-02 20:03:54,928 INFO L87 Difference]: Start difference. First operand 161 states and 258 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 20:03:58,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:01,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:01,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:04:01,656 INFO L93 Difference]: Finished difference Result 255 states and 408 transitions. [2023-12-02 20:04:01,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:04:01,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 202 [2023-12-02 20:04:01,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:04:01,661 INFO L225 Difference]: With dead ends: 255 [2023-12-02 20:04:01,661 INFO L226 Difference]: Without dead ends: 165 [2023-12-02 20:04:01,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 593 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:04:01,662 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 107 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-12-02 20:04:01,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 326 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-12-02 20:04:01,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-12-02 20:04:01,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2023-12-02 20:04:01,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 92 states have (on average 1.3369565217391304) internal successors, (123), 92 states have internal predecessors, (123), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 20:04:01,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 255 transitions. [2023-12-02 20:04:01,689 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 255 transitions. Word has length 202 [2023-12-02 20:04:01,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:04:01,690 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 255 transitions. [2023-12-02 20:04:01,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 20:04:01,691 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 255 transitions. [2023-12-02 20:04:01,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-12-02 20:04:01,694 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:04:01,694 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:04:01,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:04:01,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 20:04:02,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 20:04:02,095 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:04:02,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:04:02,095 INFO L85 PathProgramCache]: Analyzing trace with hash 327421384, now seen corresponding path program 1 times [2023-12-02 20:04:02,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 20:04:02,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [389111883] [2023-12-02 20:04:02,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:04:02,096 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 [2023-12-02 20:04:02,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 20:04:02,097 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 20:04:02,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:04:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:04:02,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:04:02,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:04:02,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 386 proven. 87 refuted. 0 times theorem prover too weak. 1639 trivial. 0 not checked. [2023-12-02 20:04:02,750 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:04:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 9 proven. 87 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 20:04:03,054 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 20:04:03,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [389111883] [2023-12-02 20:04:03,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [389111883] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:04:03,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [271703556] [2023-12-02 20:04:03,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:04:03,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:04:03,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 20:04:03,056 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:04:03,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 20:04:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:04:03,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:04:04,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:04:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 386 proven. 87 refuted. 0 times theorem prover too weak. 1639 trivial. 0 not checked. [2023-12-02 20:04:04,382 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:04:04,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 9 proven. 87 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 20:04:04,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [271703556] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:04:04,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498459353] [2023-12-02 20:04:04,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:04:04,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:04:04,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:04:04,637 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:04:04,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 20:04:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:04:04,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:04:04,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:04:05,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 386 proven. 87 refuted. 0 times theorem prover too weak. 1639 trivial. 0 not checked. [2023-12-02 20:04:05,293 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:04:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 9 proven. 87 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 20:04:05,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498459353] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:04:05,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 20:04:05,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 9 [2023-12-02 20:04:05,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702399365] [2023-12-02 20:04:05,576 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 20:04:05,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 20:04:05,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 20:04:05,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 20:04:05,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-02 20:04:05,579 INFO L87 Difference]: Start difference. First operand 161 states and 255 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-12-02 20:04:06,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:04:06,151 INFO L93 Difference]: Finished difference Result 263 states and 405 transitions. [2023-12-02 20:04:06,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:04:06,154 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 203 [2023-12-02 20:04:06,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:04:06,156 INFO L225 Difference]: With dead ends: 263 [2023-12-02 20:04:06,156 INFO L226 Difference]: Without dead ends: 173 [2023-12-02 20:04:06,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1220 GetRequests, 1203 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2023-12-02 20:04:06,157 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 122 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 20:04:06,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 212 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 20:04:06,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-12-02 20:04:06,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 165. [2023-12-02 20:04:06,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 94 states have (on average 1.297872340425532) internal successors, (122), 94 states have internal predecessors, (122), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 20:04:06,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 254 transitions. [2023-12-02 20:04:06,185 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 254 transitions. Word has length 203 [2023-12-02 20:04:06,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:04:06,185 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 254 transitions. [2023-12-02 20:04:06,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-12-02 20:04:06,186 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 254 transitions. [2023-12-02 20:04:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-02 20:04:06,188 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:04:06,188 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:04:06,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 20:04:06,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-02 20:04:06,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 20:04:06,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:04:06,789 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:04:06,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:04:06,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1596010155, now seen corresponding path program 1 times [2023-12-02 20:04:06,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 20:04:06,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792460800] [2023-12-02 20:04:06,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:04:06,790 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 [2023-12-02 20:04:06,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 20:04:06,791 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 20:04:06,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e1791-c416-4f3e-8788-831460216127/bin/utaipan-verify-nQ1chXbOIh/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 (11)] Waiting until timeout for monitored process [2023-12-02 20:04:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:04:06,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 20:04:06,990 INFO L285 TraceCheckSpWp]: Computing forward predicates...