./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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_c242baaa-188d-467e-afa7-e8992500c16b/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 e3ddf029d6c8d316304cb4ddcdbc5422251d87289b8ada843d8e8cc5a57a2c2d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:13:45,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:13:45,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:13:45,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:13:45,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:13:45,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:13:45,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:13:45,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:13:45,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:13:45,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:13:45,140 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:13:45,140 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:13:45,141 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:13:45,141 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:13:45,142 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:13:45,142 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:13:45,142 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:13:45,143 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:13:45,143 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:13:45,144 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:13:45,144 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:13:45,145 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:13:45,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:13:45,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:13:45,147 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:13:45,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:13:45,148 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:13:45,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:13:45,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:13:45,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:13:45,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:13:45,150 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:13:45,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:13:45,150 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:13:45,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:13:45,151 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:13:45,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:13:45,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:13:45,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:13:45,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:13:45,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:13:45,152 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:13:45,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:13:45,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:13:45,153 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:13:45,153 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:13:45,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:13:45,153 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_c242baaa-188d-467e-afa7-e8992500c16b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ddf029d6c8d316304cb4ddcdbc5422251d87289b8ada843d8e8cc5a57a2c2d [2023-12-02 16:13:45,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:13:45,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:13:45,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:13:45,377 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:13:45,378 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:13:45,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-12-02 16:13:48,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:13:48,366 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:13:48,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-12-02 16:13:48,377 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/data/65dfda23c/9353a5c8259a4510923473909e7e863b/FLAGb9ac0eda6 [2023-12-02 16:13:48,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/data/65dfda23c/9353a5c8259a4510923473909e7e863b [2023-12-02 16:13:48,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:13:48,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:13:48,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:13:48,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:13:48,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:13:48,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:13:48" (1/1) ... [2023-12-02 16:13:48,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e54af9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48, skipping insertion in model container [2023-12-02 16:13:48,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:13:48" (1/1) ... [2023-12-02 16:13:48,429 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:13:48,556 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_c242baaa-188d-467e-afa7-e8992500c16b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i[915,928] [2023-12-02 16:13:48,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:13:48,635 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:13:48,645 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_c242baaa-188d-467e-afa7-e8992500c16b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i[915,928] [2023-12-02 16:13:48,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:13:48,696 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:13:48,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48 WrapperNode [2023-12-02 16:13:48,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:13:48,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:13:48,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:13:48,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:13:48,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48" (1/1) ... [2023-12-02 16:13:48,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48" (1/1) ... [2023-12-02 16:13:48,763 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-12-02 16:13:48,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:13:48,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:13:48,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:13:48,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:13:48,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48" (1/1) ... [2023-12-02 16:13:48,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48" (1/1) ... [2023-12-02 16:13:48,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48" (1/1) ... [2023-12-02 16:13:48,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48" (1/1) ... [2023-12-02 16:13:48,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48" (1/1) ... [2023-12-02 16:13:48,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48" (1/1) ... [2023-12-02 16:13:48,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48" (1/1) ... [2023-12-02 16:13:48,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48" (1/1) ... [2023-12-02 16:13:48,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:13:48,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:13:48,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:13:48,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:13:48,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48" (1/1) ... [2023-12-02 16:13:48,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:13:48,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:13:48,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:13:48,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:13:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:13:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:13:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:13:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:13:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:13:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:13:48,974 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:13:48,977 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:13:49,301 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:13:49,460 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:13:49,461 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:13:49,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:13:49 BoogieIcfgContainer [2023-12-02 16:13:49,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:13:49,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:13:49,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:13:49,469 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:13:49,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:13:48" (1/3) ... [2023-12-02 16:13:49,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7606a996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:13:49, skipping insertion in model container [2023-12-02 16:13:49,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:48" (2/3) ... [2023-12-02 16:13:49,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7606a996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:13:49, skipping insertion in model container [2023-12-02 16:13:49,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:13:49" (3/3) ... [2023-12-02 16:13:49,473 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-12-02 16:13:49,492 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:13:49,493 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:13:49,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:13:49,549 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;@7b3d95ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:13:49,549 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:13:49,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 16:13:49,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 16:13:49,566 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:13:49,566 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:13:49,567 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:13:49,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:13:49,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1436225358, now seen corresponding path program 1 times [2023-12-02 16:13:49,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:13:49,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313830330] [2023-12-02 16:13:49,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:13:49,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:13:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:13:49,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:13:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:13:50,263 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:13:50,265 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:13:50,266 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:13:50,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:13:50,272 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:13:50,277 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:13:50,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:13:50 BoogieIcfgContainer [2023-12-02 16:13:50,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:13:50,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:13:50,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:13:50,450 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:13:50,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:13:49" (3/4) ... [2023-12-02 16:13:50,453 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:13:50,454 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:13:50,455 INFO L158 Benchmark]: Toolchain (without parser) took 2061.60ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 124.4MB in the beginning and 146.3MB in the end (delta: -21.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-12-02 16:13:50,456 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory was 64.0MB in the beginning and 63.9MB in the end (delta: 176.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:13:50,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.14ms. Allocated memory is still 157.3MB. Free memory was 124.0MB in the beginning and 109.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 16:13:50,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.87ms. Allocated memory is still 157.3MB. Free memory was 109.5MB in the beginning and 105.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:13:50,458 INFO L158 Benchmark]: Boogie Preprocessor took 45.20ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 103.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:13:50,458 INFO L158 Benchmark]: RCFGBuilder took 652.52ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 103.6MB in the beginning and 150.6MB in the end (delta: -47.0MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-12-02 16:13:50,459 INFO L158 Benchmark]: TraceAbstraction took 983.42ms. Allocated memory is still 188.7MB. Free memory was 150.6MB in the beginning and 147.3MB in the end (delta: 3.3MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2023-12-02 16:13:50,460 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 188.7MB. Free memory was 147.3MB in the beginning and 146.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:13:50,463 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory was 64.0MB in the beginning and 63.9MB in the end (delta: 176.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.14ms. Allocated memory is still 157.3MB. Free memory was 124.0MB in the beginning and 109.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.87ms. Allocated memory is still 157.3MB. Free memory was 109.5MB in the beginning and 105.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.20ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 103.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 652.52ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 103.6MB in the beginning and 150.6MB in the end (delta: -47.0MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * TraceAbstraction took 983.42ms. Allocated memory is still 188.7MB. Free memory was 150.6MB in the beginning and 147.3MB in the end (delta: 3.3MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 188.7MB. Free memory was 147.3MB in the beginning and 146.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 167, overapproximation of bitwiseAnd at line 65, overapproximation of someBinaryArithmeticDOUBLEoperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 167. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 16; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 1; [L25] signed char var_1_8 = -10; [L26] unsigned short int var_1_9 = 4; [L27] signed char var_1_10 = 8; [L28] unsigned short int var_1_12 = 64314; [L29] unsigned short int var_1_13 = 26169; [L30] signed char var_1_17 = 50; [L31] signed char var_1_18 = 16; [L32] signed char var_1_19 = 5; [L33] signed char var_1_20 = 0; [L34] signed char var_1_21 = 50; [L35] signed char var_1_22 = 16; [L36] unsigned char var_1_23 = 16; [L37] unsigned char var_1_24 = 1; [L38] unsigned char var_1_25 = 0; [L39] double var_1_27 = 0.25; [L40] double var_1_28 = 10.25; [L41] double var_1_29 = 1000.25; [L42] double var_1_30 = 9.5; [L43] float var_1_31 = 63.5; [L44] unsigned short int var_1_32 = 16; [L45] unsigned short int var_1_33 = 1; [L46] unsigned short int var_1_34 = 2; [L47] unsigned char var_1_35 = 0; [L48] unsigned char var_1_36 = 0; [L49] unsigned char var_1_37 = 1; [L50] unsigned char var_1_38 = 1; [L51] unsigned char var_1_39 = 5; [L52] unsigned char var_1_40 = 0; [L53] unsigned char var_1_41 = 100; [L54] unsigned short int last_1_var_1_9 = 4; [L171] isInitial = 1 [L172] FCALL initially() [L173] COND TRUE 1 [L174] CALL updateLastVariables() [L164] last_1_var_1_9 = var_1_9 [L174] RET updateLastVariables() [L175] CALL updateVariables() [L108] var_1_4 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_6=1, var_1_8=-10, var_1_9=4] [L110] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L111] var_1_6 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_8=-10, var_1_9=4] [L113] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L114] var_1_8 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L116] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L117] var_1_10 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L119] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L120] var_1_12 = __VERIFIER_nondet_ushort() [L121] CALL assume_abort_if_not(var_1_12 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_12 >= 49150) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L122] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L123] var_1_13 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_13 >= 24575) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_13 >= 24575) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L125] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L126] var_1_18 = __VERIFIER_nondet_char() [L127] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L128] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L129] var_1_19 = __VERIFIER_nondet_char() [L130] CALL assume_abort_if_not(var_1_19 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_19 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L131] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L132] var_1_20 = __VERIFIER_nondet_char() [L133] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L134] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L135] var_1_21 = __VERIFIER_nondet_char() [L136] CALL assume_abort_if_not(var_1_21 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_21 >= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L137] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L138] var_1_22 = __VERIFIER_nondet_char() [L139] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L140] CALL assume_abort_if_not(var_1_22 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_22 <= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L141] var_1_25 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L143] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L144] var_1_28 = __VERIFIER_nondet_double() [L145] CALL assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L146] var_1_29 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L148] var_1_30 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L150] var_1_33 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L152] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L153] var_1_35 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L155] CALL assume_abort_if_not(var_1_35 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_35 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L156] var_1_37 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_37 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_37 >= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L158] CALL assume_abort_if_not(var_1_37 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_37 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L159] var_1_40 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L161] CALL assume_abort_if_not(var_1_40 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=254, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_40 <= 254) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=254, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L175] RET updateVariables() [L176] CALL step() [L58] var_1_32 = var_1_33 [L59] COND TRUE \read(var_1_35) [L60] var_1_34 = var_1_33 [L62] var_1_36 = var_1_37 [L63] var_1_38 = 1 [L64] var_1_39 = var_1_40 [L65] EXPR (-1000000000 + var_1_32) & var_1_40 [L65] COND FALSE !(((-1000000000 + var_1_32) & var_1_40) > var_1_33) [L68] COND FALSE !((- last_1_var_1_9) < (last_1_var_1_9 + -500)) [L71] var_1_17 = (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22))) [L72] COND FALSE !(\read(var_1_4)) [L75] var_1_24 = (var_1_6 && ((var_1_10 >= var_1_17) && var_1_25)) [L77] var_1_31 = var_1_30 [L78] COND FALSE !(var_1_23 < var_1_23) [L89] var_1_1 = var_1_8 [L91] signed char stepLocal_0 = var_1_1; [L92] COND TRUE stepLocal_0 < (-1 - var_1_10) [L93] COND FALSE !(\read(var_1_24)) [L96] var_1_9 = ((var_1_12 - var_1_10) - ((var_1_13 - var_1_23) - ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23))))) [L101] COND FALSE !(var_1_9 < (var_1_21 + var_1_23)) [L104] var_1_27 = var_1_28 [L176] RET step() [L177] CALL, EXPR property() [L167-L168] return (((((((var_1_23 < var_1_23) ? ((var_1_24 && var_1_24) ? (var_1_24 ? ((var_1_24 && (var_1_24 || var_1_24)) ? (var_1_1 == ((signed char) -5)) : 1) : 1) : (var_1_1 == ((signed char) var_1_8))) : (var_1_1 == ((signed char) var_1_8))) && ((var_1_1 < (-1 - var_1_10)) ? (var_1_24 ? (var_1_9 == ((unsigned short int) (var_1_10 + ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))))) : (var_1_9 == ((unsigned short int) ((var_1_12 - var_1_10) - ((var_1_13 - var_1_23) - ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))))))) : (var_1_9 == ((unsigned short int) var_1_13)))) && (var_1_17 == ((signed char) (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22)))))) && (((- last_1_var_1_9) < (last_1_var_1_9 + -500)) ? (var_1_23 == ((unsigned char) var_1_20)) : 1)) && (var_1_4 ? (var_1_24 == ((unsigned char) (! var_1_25))) : (var_1_24 == ((unsigned char) (var_1_6 && ((var_1_10 >= var_1_17) && var_1_25)))))) && ((var_1_9 < (var_1_21 + var_1_23)) ? (var_1_27 == ((double) ((var_1_28 + var_1_29) + var_1_30))) : (var_1_27 == ((double) var_1_28)))) && (var_1_31 == ((float) var_1_30)) ; [L177] RET, EXPR property() [L177] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=-1, var_1_18=94, var_1_19=126, var_1_1=-127, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=65540, var_1_28=65540, var_1_30=65539, var_1_31=65539, var_1_32=65534, var_1_33=65534, var_1_34=65534, var_1_35=1, var_1_36=1, var_1_37=1, var_1_38=1, var_1_39=254, var_1_40=254, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=24590] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=-1, var_1_18=94, var_1_19=126, var_1_1=-127, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=65540, var_1_28=65540, var_1_30=65539, var_1_31=65539, var_1_32=65534, var_1_33=65534, var_1_34=65534, var_1_35=1, var_1_36=1, var_1_37=1, var_1_38=1, var_1_39=254, var_1_40=254, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=24590] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 35, 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=63occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 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 16:13:50,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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_c242baaa-188d-467e-afa7-e8992500c16b/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 e3ddf029d6c8d316304cb4ddcdbc5422251d87289b8ada843d8e8cc5a57a2c2d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:13:52,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:13:52,528 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:13:52,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:13:52,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:13:52,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:13:52,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:13:52,563 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:13:52,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:13:52,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:13:52,564 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:13:52,565 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:13:52,565 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:13:52,566 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:13:52,566 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:13:52,567 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:13:52,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:13:52,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:13:52,569 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:13:52,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:13:52,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:13:52,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:13:52,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:13:52,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:13:52,572 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:13:52,572 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:13:52,573 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:13:52,574 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:13:52,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:13:52,574 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:13:52,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:13:52,575 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:13:52,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:13:52,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:13:52,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:13:52,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:13:52,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:13:52,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:13:52,577 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:13:52,577 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:13:52,577 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:13:52,578 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:13:52,578 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:13:52,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:13:52,578 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_c242baaa-188d-467e-afa7-e8992500c16b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ddf029d6c8d316304cb4ddcdbc5422251d87289b8ada843d8e8cc5a57a2c2d [2023-12-02 16:13:52,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:13:52,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:13:52,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:13:52,921 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:13:52,922 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:13:52,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-12-02 16:13:55,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:13:55,918 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:13:55,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-12-02 16:13:55,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/data/2e281a001/ec56371a677d4388b8262b7f7988b44d/FLAGb82dff333 [2023-12-02 16:13:55,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/data/2e281a001/ec56371a677d4388b8262b7f7988b44d [2023-12-02 16:13:55,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:13:55,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:13:55,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:13:55,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:13:55,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:13:55,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:13:55" (1/1) ... [2023-12-02 16:13:55,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ad0fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:55, skipping insertion in model container [2023-12-02 16:13:55,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:13:55" (1/1) ... [2023-12-02 16:13:55,993 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:13:56,147 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_c242baaa-188d-467e-afa7-e8992500c16b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i[915,928] [2023-12-02 16:13:56,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:13:56,222 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:13:56,235 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_c242baaa-188d-467e-afa7-e8992500c16b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i[915,928] [2023-12-02 16:13:56,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:13:56,285 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:13:56,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:56 WrapperNode [2023-12-02 16:13:56,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:13:56,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:13:56,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:13:56,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:13:56,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:56" (1/1) ... [2023-12-02 16:13:56,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:56" (1/1) ... [2023-12-02 16:13:56,375 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-12-02 16:13:56,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:13:56,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:13:56,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:13:56,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:13:56,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:56" (1/1) ... [2023-12-02 16:13:56,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:56" (1/1) ... [2023-12-02 16:13:56,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:56" (1/1) ... [2023-12-02 16:13:56,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:56" (1/1) ... [2023-12-02 16:13:56,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:56" (1/1) ... [2023-12-02 16:13:56,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:56" (1/1) ... [2023-12-02 16:13:56,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:56" (1/1) ... [2023-12-02 16:13:56,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:56" (1/1) ... [2023-12-02 16:13:56,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:13:56,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:13:56,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:13:56,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:13:56,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:56" (1/1) ... [2023-12-02 16:13:56,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:13:56,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:13:56,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:13:56,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:13:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:13:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:13:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:13:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:13:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:13:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:13:56,593 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:13:56,595 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:13:58,366 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:13:58,440 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:13:58,440 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:13:58,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:13:58 BoogieIcfgContainer [2023-12-02 16:13:58,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:13:58,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:13:58,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:13:58,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:13:58,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:13:55" (1/3) ... [2023-12-02 16:13:58,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5ab6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:13:58, skipping insertion in model container [2023-12-02 16:13:58,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:56" (2/3) ... [2023-12-02 16:13:58,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5ab6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:13:58, skipping insertion in model container [2023-12-02 16:13:58,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:13:58" (3/3) ... [2023-12-02 16:13:58,450 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-12-02 16:13:58,469 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:13:58,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:13:58,522 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:13:58,529 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;@1bdf1fb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:13:58,529 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:13:58,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 16:13:58,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-02 16:13:58,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:13:58,554 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:13:58,554 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:13:58,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:13:58,560 INFO L85 PathProgramCache]: Analyzing trace with hash 116231618, now seen corresponding path program 1 times [2023-12-02 16:13:58,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:13:58,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33593128] [2023-12-02 16:13:58,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:13:58,576 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 16:13:58,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:13:58,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:13:58,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:13:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:13:58,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:13:58,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:13:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1124 proven. 0 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked. [2023-12-02 16:13:59,032 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:13:59,033 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:13:59,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33593128] [2023-12-02 16:13:59,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33593128] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:13:59,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:13:59,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:13:59,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548920513] [2023-12-02 16:13:59,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:13:59,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:13:59,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:13:59,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:13:59,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:13:59,075 INFO L87 Difference]: Start difference. First operand has 82 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 16:14:01,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:14:01,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:01,071 INFO L93 Difference]: Finished difference Result 158 states and 287 transitions. [2023-12-02 16:14:01,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:14:01,096 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 210 [2023-12-02 16:14:01,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:01,103 INFO L225 Difference]: With dead ends: 158 [2023-12-02 16:14:01,104 INFO L226 Difference]: Without dead ends: 77 [2023-12-02 16:14:01,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 209 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 16:14:01,111 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:01,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 16:14:01,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-12-02 16:14:01,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-12-02 16:14:01,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 16:14:01,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 118 transitions. [2023-12-02 16:14:01,161 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 118 transitions. Word has length 210 [2023-12-02 16:14:01,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:01,162 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 118 transitions. [2023-12-02 16:14:01,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 16:14:01,162 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 118 transitions. [2023-12-02 16:14:01,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-02 16:14:01,167 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:01,168 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:14:01,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:01,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:01,369 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:14:01,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:01,370 INFO L85 PathProgramCache]: Analyzing trace with hash -173631492, now seen corresponding path program 1 times [2023-12-02 16:14:01,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:14:01,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040804096] [2023-12-02 16:14:01,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:01,371 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 16:14:01,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:14:01,372 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:01,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:01,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:14:01,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:14:02,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-12-02 16:14:02,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:14:02,498 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:14:02,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040804096] [2023-12-02 16:14:02,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040804096] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:02,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:02,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:14:02,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472956096] [2023-12-02 16:14:02,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:02,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:14:02,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:14:02,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:14:02,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:14:02,503 INFO L87 Difference]: Start difference. First operand 77 states and 118 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 16:14:04,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:14:05,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:14:07,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:14:07,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:07,662 INFO L93 Difference]: Finished difference Result 230 states and 353 transitions. [2023-12-02 16:14:07,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:14:07,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 210 [2023-12-02 16:14:07,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:07,689 INFO L225 Difference]: With dead ends: 230 [2023-12-02 16:14:07,689 INFO L226 Difference]: Without dead ends: 154 [2023-12-02 16:14:07,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:14:07,691 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 56 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:07,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 337 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-12-02 16:14:07,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-12-02 16:14:07,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 140. [2023-12-02 16:14:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 67 states have (on average 1.1492537313432836) internal successors, (77), 67 states have internal predecessors, (77), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-02 16:14:07,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 217 transitions. [2023-12-02 16:14:07,741 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 217 transitions. Word has length 210 [2023-12-02 16:14:07,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:07,742 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 217 transitions. [2023-12-02 16:14:07,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 16:14:07,743 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 217 transitions. [2023-12-02 16:14:07,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-02 16:14:07,747 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:07,748 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:14:07,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:07,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:07,950 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:14:07,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:07,951 INFO L85 PathProgramCache]: Analyzing trace with hash 527433086, now seen corresponding path program 1 times [2023-12-02 16:14:07,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:14:07,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923329046] [2023-12-02 16:14:07,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:07,951 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 16:14:07,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:14:07,952 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:07,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:08,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 16:14:08,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:14:10,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1464 proven. 180 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2023-12-02 16:14:10,097 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:14:10,328 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:14:10,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923329046] [2023-12-02 16:14:10,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923329046] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:14:10,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [504618417] [2023-12-02 16:14:10,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:10,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:14:10,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:14:10,333 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:14:10,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 16:14:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:10,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 16:14:10,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:14:11,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1014 proven. 72 refuted. 0 times theorem prover too weak. 1294 trivial. 0 not checked. [2023-12-02 16:14:11,500 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:14:11,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [504618417] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:14:11,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555841023] [2023-12-02 16:14:11,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:11,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:14:11,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:14:11,742 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:14:11,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 16:14:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:11,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 16:14:11,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:14:12,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1014 proven. 72 refuted. 0 times theorem prover too weak. 1294 trivial. 0 not checked. [2023-12-02 16:14:12,391 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:14:12,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555841023] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:14:12,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 16:14:12,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 13 [2023-12-02 16:14:12,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010369148] [2023-12-02 16:14:12,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 16:14:12,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 16:14:12,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:14:12,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 16:14:12,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2023-12-02 16:14:12,496 INFO L87 Difference]: Start difference. First operand 140 states and 217 transitions. Second operand has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 4 states have call successors, (58), 4 states have call predecessors, (58), 7 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2023-12-02 16:14:15,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:14:18,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:14:19,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:19,427 INFO L93 Difference]: Finished difference Result 340 states and 489 transitions. [2023-12-02 16:14:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-02 16:14:19,429 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 4 states have call successors, (58), 4 states have call predecessors, (58), 7 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 210 [2023-12-02 16:14:19,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:19,435 INFO L225 Difference]: With dead ends: 340 [2023-12-02 16:14:19,435 INFO L226 Difference]: Without dead ends: 264 [2023-12-02 16:14:19,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=400, Invalid=1082, Unknown=0, NotChecked=0, Total=1482 [2023-12-02 16:14:19,439 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 133 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 139 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:19,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 403 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 517 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2023-12-02 16:14:19,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-12-02 16:14:19,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 242. [2023-12-02 16:14:19,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 123 states have (on average 1.089430894308943) internal successors, (134), 124 states have internal predecessors, (134), 105 states have call successors, (105), 13 states have call predecessors, (105), 13 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-12-02 16:14:19,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 344 transitions. [2023-12-02 16:14:19,491 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 344 transitions. Word has length 210 [2023-12-02 16:14:19,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:19,492 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 344 transitions. [2023-12-02 16:14:19,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 4 states have call successors, (58), 4 states have call predecessors, (58), 7 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2023-12-02 16:14:19,493 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 344 transitions. [2023-12-02 16:14:19,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-02 16:14:19,496 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:19,497 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:14:19,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 16:14:19,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 16:14:19,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:20,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:20,098 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:14:20,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:20,099 INFO L85 PathProgramCache]: Analyzing trace with hash 527492668, now seen corresponding path program 1 times [2023-12-02 16:14:20,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:14:20,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146623054] [2023-12-02 16:14:20,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:20,100 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 16:14:20,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:14:20,101 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:20,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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)] Waiting until timeout for monitored process [2023-12-02 16:14:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:20,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 16:14:20,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:14:20,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-12-02 16:14:20,435 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:14:20,435 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:14:20,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146623054] [2023-12-02 16:14:20,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146623054] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:20,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:20,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:14:20,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989588687] [2023-12-02 16:14:20,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:20,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:14:20,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:14:20,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:14:20,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:14:20,438 INFO L87 Difference]: Start difference. First operand 242 states and 344 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 16:14:21,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:14:21,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:21,861 INFO L93 Difference]: Finished difference Result 417 states and 586 transitions. [2023-12-02 16:14:21,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:14:21,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 210 [2023-12-02 16:14:21,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:21,866 INFO L225 Difference]: With dead ends: 417 [2023-12-02 16:14:21,866 INFO L226 Difference]: Without dead ends: 250 [2023-12-02 16:14:21,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:14:21,869 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 93 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:21,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 272 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 16:14:21,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-12-02 16:14:21,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 234. [2023-12-02 16:14:21,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 122 states have (on average 1.0737704918032787) internal successors, (131), 123 states have internal predecessors, (131), 97 states have call successors, (97), 14 states have call predecessors, (97), 14 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2023-12-02 16:14:21,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 325 transitions. [2023-12-02 16:14:21,916 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 325 transitions. Word has length 210 [2023-12-02 16:14:21,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:21,917 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 325 transitions. [2023-12-02 16:14:21,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 16:14:21,917 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 325 transitions. [2023-12-02 16:14:21,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-02 16:14:21,920 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:21,921 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:14:21,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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)] Ended with exit code 0 [2023-12-02 16:14:22,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:22,122 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:14:22,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:22,122 INFO L85 PathProgramCache]: Analyzing trace with hash 785658106, now seen corresponding path program 1 times [2023-12-02 16:14:22,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:14:22,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265797766] [2023-12-02 16:14:22,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:22,123 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 16:14:22,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:14:22,124 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:22,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c242baaa-188d-467e-afa7-e8992500c16b/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 16:14:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:22,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 16:14:22,529 INFO L285 TraceCheckSpWp]: Computing forward predicates...