./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-59.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_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 60abcfb910222ed2fbb6950de4d87076e559bee1f898e234a2e9cc0109e44a67 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:12:45,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:12:45,967 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:12:45,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:12:45,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:12:45,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:12:45,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:12:45,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:12:45,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:12:46,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:12:46,000 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:12:46,001 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:12:46,001 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:12:46,002 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:12:46,002 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:12:46,003 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:12:46,003 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:12:46,004 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:12:46,004 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:12:46,005 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:12:46,005 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:12:46,006 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:12:46,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:12:46,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:12:46,007 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:12:46,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:12:46,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:12:46,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:12:46,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:12:46,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:12:46,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:12:46,010 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:12:46,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:12:46,010 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:12:46,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:12:46,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:12:46,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:12:46,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:12:46,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:12:46,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:12:46,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:12:46,012 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:12:46,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:12:46,012 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:12:46,012 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:12:46,013 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:12:46,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:12:46,013 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_199800c8-4537-46e1-8a14-9eacbb01f1e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60abcfb910222ed2fbb6950de4d87076e559bee1f898e234a2e9cc0109e44a67 [2023-12-02 14:12:46,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:12:46,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:12:46,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:12:46,265 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:12:46,265 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:12:46,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-59.i [2023-12-02 14:12:48,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:12:49,129 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:12:49,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-59.i [2023-12-02 14:12:49,141 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/data/ed9e08e2a/ba9ae43e9f444c558cc6534aea262c53/FLAGe8977fc5e [2023-12-02 14:12:49,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/data/ed9e08e2a/ba9ae43e9f444c558cc6534aea262c53 [2023-12-02 14:12:49,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:12:49,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:12:49,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:12:49,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:12:49,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:12:49,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@593af76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49, skipping insertion in model container [2023-12-02 14:12:49,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:12:49,358 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_199800c8-4537-46e1-8a14-9eacbb01f1e2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-59.i[915,928] [2023-12-02 14:12:49,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:12:49,478 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:12:49,488 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_199800c8-4537-46e1-8a14-9eacbb01f1e2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-59.i[915,928] [2023-12-02 14:12:49,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:12:49,548 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:12:49,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49 WrapperNode [2023-12-02 14:12:49,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:12:49,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:12:49,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:12:49,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:12:49,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,615 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2023-12-02 14:12:49,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:12:49,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:12:49,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:12:49,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:12:49,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:12:49,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:12:49,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:12:49,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:12:49,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:12:49,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:12:49,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:12:49,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:12:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:12:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:12:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:12:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:12:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:12:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:12:49,828 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:12:49,830 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:12:50,216 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:12:50,492 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:12:50,493 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:12:50,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:12:50 BoogieIcfgContainer [2023-12-02 14:12:50,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:12:50,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:12:50,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:12:50,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:12:50,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:12:49" (1/3) ... [2023-12-02 14:12:50,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb6b167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:12:50, skipping insertion in model container [2023-12-02 14:12:50,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (2/3) ... [2023-12-02 14:12:50,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb6b167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:12:50, skipping insertion in model container [2023-12-02 14:12:50,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:12:50" (3/3) ... [2023-12-02 14:12:50,504 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-59.i [2023-12-02 14:12:50,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:12:50,524 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:12:50,569 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:12:50,577 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;@24b5be8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:12:50,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:12:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-02 14:12:50,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 14:12:50,596 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:12:50,597 INFO L195 NwaCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:50,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:12:50,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:12:50,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1742746419, now seen corresponding path program 1 times [2023-12-02 14:12:50,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:12:50,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985251463] [2023-12-02 14:12:50,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:12:50,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:12:50,799 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:12:50,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [697939988] [2023-12-02 14:12:50,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:12:50,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:12:50,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:12:50,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:12:50,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:12:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:12:51,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:12:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:12:51,719 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:12:51,722 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:12:51,723 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:12:51,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:12:51,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:12:51,929 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:12:51,933 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:12:52,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:12:52 BoogieIcfgContainer [2023-12-02 14:12:52,049 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:12:52,049 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:12:52,050 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:12:52,050 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:12:52,050 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:12:50" (3/4) ... [2023-12-02 14:12:52,052 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:12:52,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:12:52,055 INFO L158 Benchmark]: Toolchain (without parser) took 2894.60ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 136.0MB in the beginning and 96.7MB in the end (delta: 39.3MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2023-12-02 14:12:52,055 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory was 93.2MB in the beginning and 93.1MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:12:52,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.62ms. Allocated memory is still 169.9MB. Free memory was 136.0MB in the beginning and 133.4MB in the end (delta: 2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 14:12:52,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.89ms. Allocated memory is still 169.9MB. Free memory was 133.4MB in the beginning and 128.0MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 14:12:52,057 INFO L158 Benchmark]: Boogie Preprocessor took 50.37ms. Allocated memory is still 169.9MB. Free memory was 128.0MB in the beginning and 125.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:12:52,058 INFO L158 Benchmark]: RCFGBuilder took 827.27ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 125.9MB in the beginning and 161.7MB in the end (delta: -35.8MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2023-12-02 14:12:52,058 INFO L158 Benchmark]: TraceAbstraction took 1551.27ms. Allocated memory is still 205.5MB. Free memory was 160.6MB in the beginning and 96.7MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-02 14:12:52,059 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 205.5MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:12:52,062 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory was 93.2MB in the beginning and 93.1MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.62ms. Allocated memory is still 169.9MB. Free memory was 136.0MB in the beginning and 133.4MB in the end (delta: 2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.89ms. Allocated memory is still 169.9MB. Free memory was 133.4MB in the beginning and 128.0MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.37ms. Allocated memory is still 169.9MB. Free memory was 128.0MB in the beginning and 125.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 827.27ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 125.9MB in the beginning and 161.7MB in the end (delta: -35.8MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1551.27ms. Allocated memory is still 205.5MB. Free memory was 160.6MB in the beginning and 96.7MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 205.5MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of bitwiseOr at line 68, overapproximation of someBinaryArithmeticDOUBLEoperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 1; [L23] unsigned char var_1_4 = 25; [L24] unsigned short int var_1_5 = 0; [L25] unsigned short int var_1_6 = 62100; [L26] unsigned short int var_1_7 = 27651; [L27] double var_1_8 = 128.9; [L28] double var_1_10 = 16.5; [L29] double var_1_11 = 25.5; [L30] double var_1_12 = 199.75; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_15 = 1; [L34] unsigned char var_1_16 = 1; [L35] unsigned short int var_1_17 = 32; [L36] unsigned char var_1_18 = 1; [L37] unsigned long int var_1_19 = 1; [L38] unsigned short int var_1_20 = 25; [L39] float var_1_21 = 0.65; [L40] float var_1_22 = 7.579; [L41] unsigned short int var_1_23 = 50; [L42] signed long int var_1_24 = -25; [L43] signed short int var_1_25 = -100; [L44] unsigned long int var_1_26 = 4; [L45] signed short int var_1_27 = 16; [L46] unsigned char var_1_28 = 1; [L47] unsigned char var_1_29 = 1; [L48] unsigned long int var_1_30 = 0; [L49] unsigned char var_1_31 = 64; [L50] float var_1_32 = 1.25; [L51] unsigned char var_1_33 = 128; [L52] unsigned char var_1_34 = 100; [L53] unsigned char var_1_35 = 4; [L54] unsigned char var_1_36 = 1; [L55] unsigned short int last_1_var_1_5 = 0; [L56] unsigned char last_1_var_1_15 = 1; [L57] unsigned char last_1_var_1_18 = 1; [L58] unsigned long int last_1_var_1_19 = 1; [L219] isInitial = 1 [L220] FCALL initially() [L221] COND TRUE 1 [L222] CALL updateLastVariables() [L209] last_1_var_1_5 = var_1_5 [L210] last_1_var_1_15 = var_1_15 [L211] last_1_var_1_18 = var_1_18 [L212] last_1_var_1_19 = var_1_19 [L222] RET updateLastVariables() [L223] CALL updateVariables() [L154] var_1_4 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L156] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L157] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L158] var_1_6 = __VERIFIER_nondet_ushort() [L159] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=27651, var_1_8=1289/10] [L160] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=27651, var_1_8=1289/10] [L161] var_1_7 = __VERIFIER_nondet_ushort() [L162] CALL assume_abort_if_not(var_1_7 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_7 >= 16383) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L163] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L164] var_1_10 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L166] var_1_11 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L168] var_1_12 = __VERIFIER_nondet_double() [L169] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L170] var_1_14 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L172] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L173] var_1_16 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L175] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L176] var_1_21 = __VERIFIER_nondet_float() [L177] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L178] var_1_22 = __VERIFIER_nondet_float() [L179] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L180] var_1_23 = __VERIFIER_nondet_ushort() [L181] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L182] CALL assume_abort_if_not(var_1_23 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_23 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L183] var_1_26 = __VERIFIER_nondet_ulong() [L184] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L185] CALL assume_abort_if_not(var_1_26 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_26 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L186] CALL assume_abort_if_not(var_1_26 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_26 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L187] var_1_27 = __VERIFIER_nondet_short() [L188] CALL assume_abort_if_not(var_1_27 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_27 >= -32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L189] CALL assume_abort_if_not(var_1_27 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_27 <= 32766) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L190] var_1_29 = __VERIFIER_nondet_uchar() [L191] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L192] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_32=5/4, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L193] var_1_32 = __VERIFIER_nondet_float() [L194] CALL assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L195] var_1_33 = __VERIFIER_nondet_uchar() [L196] CALL assume_abort_if_not(var_1_33 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_33 >= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L197] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L197] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L198] var_1_34 = __VERIFIER_nondet_uchar() [L199] CALL assume_abort_if_not(var_1_34 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=63, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_34 >= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=63, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L200] CALL assume_abort_if_not(var_1_34 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=63, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L200] RET assume_abort_if_not(var_1_34 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=63, var_1_35=4, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L201] var_1_35 = __VERIFIER_nondet_uchar() [L202] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=63, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L202] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=63, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L203] CALL assume_abort_if_not(var_1_35 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=63, var_1_35=0, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L203] RET assume_abort_if_not(var_1_35 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=63, var_1_35=0, var_1_36=1, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L204] var_1_36 = __VERIFIER_nondet_uchar() [L205] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L205] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L206] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=63, var_1_35=0, var_1_36=0, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L206] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=124, var_1_24=-25, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=63, var_1_35=0, var_1_36=0, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=1289/10] [L223] RET updateVariables() [L224] CALL step() [L62] COND FALSE !(var_1_21 == var_1_22) [L65] COND TRUE ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) > ((((128.5f) < (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))))) ? (128.5f) : (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) [L66] var_1_24 = ((((var_1_20) > (var_1_23)) ? (var_1_20) : (var_1_23))) [L68] EXPR var_1_23 | var_1_24 [L68] COND TRUE (var_1_20 / var_1_26) < (var_1_23 | var_1_24) [L69] COND FALSE !((- var_1_22) >= 256.75f) [L75] EXPR var_1_20 ^ (~ var_1_25) [L75] COND TRUE (var_1_20 ^ (~ var_1_25)) >= var_1_24 [L76] var_1_28 = ((var_1_21 <= var_1_22) || var_1_29) [L78] COND FALSE !(var_1_24 < var_1_20) [L83] COND FALSE !(var_1_26 < ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) [L98] var_1_31 = var_1_36 [L100] unsigned char stepLocal_3 = last_1_var_1_19 < var_1_6; [L101] COND TRUE \read(last_1_var_1_18) [L102] COND TRUE (! last_1_var_1_15) || stepLocal_3 [L103] var_1_8 = ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))) [L110] COND FALSE !(var_1_12 != var_1_8) [L113] var_1_15 = var_1_16 [L115] var_1_17 = var_1_4 [L116] var_1_18 = var_1_16 [L117] var_1_19 = var_1_4 [L118] unsigned short int stepLocal_1 = var_1_17; [L119] unsigned char stepLocal_0 = var_1_17 != (16 / var_1_4); [L120] COND FALSE !(stepLocal_0 && var_1_15) [L131] var_1_1 = var_1_17 [L133] unsigned short int stepLocal_2 = var_1_17; [L134] COND FALSE !(stepLocal_2 < last_1_var_1_5) [L137] COND FALSE !(! var_1_15) [L141] unsigned short int stepLocal_5 = var_1_6; [L142] unsigned short int stepLocal_4 = var_1_5; [L143] COND TRUE stepLocal_4 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19)))) [L144] COND TRUE var_1_5 <= stepLocal_5 [L145] var_1_13 = 32 [L224] RET step() [L225] CALL, EXPR property() [L215-L216] return (((((((((var_1_17 != (16 / var_1_4)) && var_1_15) ? ((var_1_17 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_17))) : (var_1_15 ? (var_1_1 == ((unsigned short int) var_1_17)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_17))) && ((var_1_17 < last_1_var_1_5) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - last_1_var_1_5)))) : ((! var_1_15) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))))) : 1))) && (last_1_var_1_18 ? (((! last_1_var_1_15) || (last_1_var_1_19 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_5 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19))))) ? ((var_1_5 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4)) ; [L225] RET, EXPR property() [L225] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_11=0, var_1_13=32, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_23=124, var_1_24=124, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=0, var_1_33=254, var_1_34=63, var_1_35=0, var_1_36=0, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=509/4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_11=0, var_1_13=32, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_23=124, var_1_24=124, var_1_25=-100, var_1_26=124, var_1_27=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=0, var_1_33=254, var_1_34=63, var_1_35=0, var_1_36=0, var_1_4=4, var_1_5=0, var_1_6=65534, var_1_7=16383, var_1_8=509/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 34, 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=62occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 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 14:12:52,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 60abcfb910222ed2fbb6950de4d87076e559bee1f898e234a2e9cc0109e44a67 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:12:54,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:12:54,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 14:12:54,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:12:54,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:12:54,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:12:54,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:12:54,112 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:12:54,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:12:54,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:12:54,114 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:12:54,115 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:12:54,115 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:12:54,116 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:12:54,116 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:12:54,117 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:12:54,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:12:54,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:12:54,119 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:12:54,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:12:54,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:12:54,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:12:54,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:12:54,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:12:54,122 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:12:54,122 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:12:54,123 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:12:54,123 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:12:54,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:12:54,124 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:12:54,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:12:54,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:12:54,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:12:54,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:12:54,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:12:54,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:12:54,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:12:54,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:12:54,126 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:12:54,126 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:12:54,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:12:54,127 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:12:54,127 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:12:54,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:12:54,127 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_199800c8-4537-46e1-8a14-9eacbb01f1e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60abcfb910222ed2fbb6950de4d87076e559bee1f898e234a2e9cc0109e44a67 [2023-12-02 14:12:54,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:12:54,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:12:54,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:12:54,445 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:12:54,445 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:12:54,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-59.i [2023-12-02 14:12:57,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:12:57,465 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:12:57,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-59.i [2023-12-02 14:12:57,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/data/2201e9837/2a1a18ffb4e141618c54c76b1d54f6a2/FLAG61b7c7884 [2023-12-02 14:12:57,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/data/2201e9837/2a1a18ffb4e141618c54c76b1d54f6a2 [2023-12-02 14:12:57,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:12:57,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:12:57,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:12:57,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:12:57,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:12:57,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:12:57" (1/1) ... [2023-12-02 14:12:57,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3658a434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57, skipping insertion in model container [2023-12-02 14:12:57,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:12:57" (1/1) ... [2023-12-02 14:12:57,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:12:57,686 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_199800c8-4537-46e1-8a14-9eacbb01f1e2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-59.i[915,928] [2023-12-02 14:12:57,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:12:57,776 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:12:57,790 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_199800c8-4537-46e1-8a14-9eacbb01f1e2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-59.i[915,928] [2023-12-02 14:12:57,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:12:57,849 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:12:57,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57 WrapperNode [2023-12-02 14:12:57,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:12:57,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:12:57,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:12:57,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:12:57,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57" (1/1) ... [2023-12-02 14:12:57,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57" (1/1) ... [2023-12-02 14:12:57,905 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221 [2023-12-02 14:12:57,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:12:57,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:12:57,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:12:57,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:12:57,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57" (1/1) ... [2023-12-02 14:12:57,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57" (1/1) ... [2023-12-02 14:12:57,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57" (1/1) ... [2023-12-02 14:12:57,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57" (1/1) ... [2023-12-02 14:12:57,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57" (1/1) ... [2023-12-02 14:12:57,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57" (1/1) ... [2023-12-02 14:12:57,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57" (1/1) ... [2023-12-02 14:12:57,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57" (1/1) ... [2023-12-02 14:12:57,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:12:57,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:12:57,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:12:57,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:12:57,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57" (1/1) ... [2023-12-02 14:12:57,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:12:57,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:12:57,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:12:57,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:12:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:12:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:12:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:12:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:12:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:12:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:12:58,120 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:12:58,123 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:12:58,983 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:12:59,028 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:12:59,028 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:12:59,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:12:59 BoogieIcfgContainer [2023-12-02 14:12:59,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:12:59,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:12:59,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:12:59,035 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:12:59,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:12:57" (1/3) ... [2023-12-02 14:12:59,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257fdf13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:12:59, skipping insertion in model container [2023-12-02 14:12:59,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:57" (2/3) ... [2023-12-02 14:12:59,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257fdf13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:12:59, skipping insertion in model container [2023-12-02 14:12:59,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:12:59" (3/3) ... [2023-12-02 14:12:59,038 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-59.i [2023-12-02 14:12:59,056 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:12:59,056 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:12:59,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:12:59,104 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;@734dcbac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:12:59,105 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:12:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 55 states have internal predecessors, (80), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-02 14:12:59,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-12-02 14:12:59,127 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:12:59,128 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:59,128 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:12:59,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:12:59,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1739953282, now seen corresponding path program 1 times [2023-12-02 14:12:59,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:12:59,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172527931] [2023-12-02 14:12:59,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:12:59,145 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 14:12:59,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:12:59,146 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:12:59,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:12:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:12:59,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 14:12:59,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:12:59,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1034 proven. 0 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2023-12-02 14:12:59,640 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:12:59,641 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:12:59,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172527931] [2023-12-02 14:12:59,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172527931] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:12:59,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:12:59,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:12:59,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064218713] [2023-12-02 14:12:59,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:12:59,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:12:59,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:12:59,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:12:59,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:12:59,677 INFO L87 Difference]: Start difference. First operand has 91 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 55 states have internal predecessors, (80), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-12-02 14:13:00,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:13:00,017 INFO L93 Difference]: Finished difference Result 179 states and 328 transitions. [2023-12-02 14:13:00,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:13:00,033 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 209 [2023-12-02 14:13:00,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:13:00,040 INFO L225 Difference]: With dead ends: 179 [2023-12-02 14:13:00,040 INFO L226 Difference]: Without dead ends: 89 [2023-12-02 14:13:00,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 208 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 14:13:00,047 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:13:00,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 14:13:00,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-12-02 14:13:00,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-12-02 14:13:00,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 53 states have internal predecessors, (74), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-02 14:13:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 142 transitions. [2023-12-02 14:13:00,093 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 142 transitions. Word has length 209 [2023-12-02 14:13:00,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:13:00,094 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 142 transitions. [2023-12-02 14:13:00,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-12-02 14:13:00,095 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2023-12-02 14:13:00,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-12-02 14:13:00,100 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:13:00,101 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:13:00,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:13:00,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:13:00,302 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:13:00,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:13:00,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1137011914, now seen corresponding path program 1 times [2023-12-02 14:13:00,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:13:00,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369220107] [2023-12-02 14:13:00,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:13:00,304 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 14:13:00,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:13:00,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:13:00,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:13:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:13:00,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 14:13:00,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:13:01,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1113 proven. 39 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2023-12-02 14:13:01,955 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:13:02,426 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:13:02,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369220107] [2023-12-02 14:13:02,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369220107] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:13:02,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [300922611] [2023-12-02 14:13:02,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:13:02,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:13:02,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:13:02,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:13:02,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 14:13:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:13:03,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:13:03,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:13:03,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-12-02 14:13:03,644 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:13:03,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [300922611] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:13:03,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:13:03,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-12-02 14:13:03,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866233655] [2023-12-02 14:13:03,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:13:03,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:13:03,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:13:03,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:13:03,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-02 14:13:03,649 INFO L87 Difference]: Start difference. First operand 89 states and 142 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-12-02 14:13:04,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:13:04,688 INFO L93 Difference]: Finished difference Result 266 states and 425 transitions. [2023-12-02 14:13:04,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 14:13:04,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 209 [2023-12-02 14:13:04,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:13:04,707 INFO L225 Difference]: With dead ends: 266 [2023-12-02 14:13:04,707 INFO L226 Difference]: Without dead ends: 178 [2023-12-02 14:13:04,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-02 14:13:04,709 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 92 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:13:04,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 413 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 14:13:04,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-12-02 14:13:04,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 160. [2023-12-02 14:13:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 89 states have (on average 1.348314606741573) internal successors, (120), 89 states have internal predecessors, (120), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-02 14:13:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 256 transitions. [2023-12-02 14:13:04,757 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 256 transitions. Word has length 209 [2023-12-02 14:13:04,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:13:04,759 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 256 transitions. [2023-12-02 14:13:04,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-12-02 14:13:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 256 transitions. [2023-12-02 14:13:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-02 14:13:04,764 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:13:04,764 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:13:04,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 14:13:04,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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)] Ended with exit code 0 [2023-12-02 14:13:05,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:13:05,167 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:13:05,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:13:05,167 INFO L85 PathProgramCache]: Analyzing trace with hash 659337651, now seen corresponding path program 1 times [2023-12-02 14:13:05,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:13:05,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173749864] [2023-12-02 14:13:05,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:13:05,169 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 14:13:05,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:13:05,170 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:13:05,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 14:13:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:13:05,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 14:13:05,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:13:06,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1113 proven. 39 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2023-12-02 14:13:06,476 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:13:06,811 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:13:06,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173749864] [2023-12-02 14:13:06,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173749864] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:13:06,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1205009268] [2023-12-02 14:13:06,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:13:06,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:13:06,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:13:06,813 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:13:06,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 14:13:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:13:07,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 14:13:07,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:13:08,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-12-02 14:13:08,262 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:13:08,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1205009268] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:13:08,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:13:08,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2023-12-02 14:13:08,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740360025] [2023-12-02 14:13:08,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:13:08,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:13:08,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:13:08,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:13:08,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-02 14:13:08,264 INFO L87 Difference]: Start difference. First operand 160 states and 256 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-12-02 14:13:08,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:13:08,696 INFO L93 Difference]: Finished difference Result 353 states and 566 transitions. [2023-12-02 14:13:08,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:13:08,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 210 [2023-12-02 14:13:08,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:13:08,701 INFO L225 Difference]: With dead ends: 353 [2023-12-02 14:13:08,702 INFO L226 Difference]: Without dead ends: 259 [2023-12-02 14:13:08,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-02 14:13:08,704 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 44 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 14:13:08,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 301 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 14:13:08,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2023-12-02 14:13:08,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 257. [2023-12-02 14:13:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 151 states have (on average 1.3841059602649006) internal successors, (209), 151 states have internal predecessors, (209), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2023-12-02 14:13:08,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 413 transitions. [2023-12-02 14:13:08,750 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 413 transitions. Word has length 210 [2023-12-02 14:13:08,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:13:08,752 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 413 transitions. [2023-12-02 14:13:08,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-12-02 14:13:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 413 transitions. [2023-12-02 14:13:08,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-02 14:13:08,756 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:13:08,756 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:13:08,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 14:13:08,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-02 14:13:09,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 14:13:09,158 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:13:09,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:13:09,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1641484939, now seen corresponding path program 1 times [2023-12-02 14:13:09,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:13:09,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625347448] [2023-12-02 14:13:09,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:13:09,160 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 14:13:09,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:13:09,161 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:13:09,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:13:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:13:09,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:13:09,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:13:09,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-12-02 14:13:09,944 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:13:09,945 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:13:09,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625347448] [2023-12-02 14:13:09,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625347448] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:13:09,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:13:09,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:13:09,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147499201] [2023-12-02 14:13:09,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:13:09,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:13:09,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:13:09,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:13:09,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:13:09,947 INFO L87 Difference]: Start difference. First operand 257 states and 413 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-12-02 14:13:11,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:13:11,117 INFO L93 Difference]: Finished difference Result 621 states and 994 transitions. [2023-12-02 14:13:11,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 14:13:11,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 210 [2023-12-02 14:13:11,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:13:11,137 INFO L225 Difference]: With dead ends: 621 [2023-12-02 14:13:11,138 INFO L226 Difference]: Without dead ends: 447 [2023-12-02 14:13:11,139 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 14:13:11,140 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 106 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:13:11,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 410 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 14:13:11,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-12-02 14:13:11,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 429. [2023-12-02 14:13:11,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 253 states have (on average 1.3754940711462451) internal successors, (348), 253 states have internal predecessors, (348), 170 states have call successors, (170), 5 states have call predecessors, (170), 5 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2023-12-02 14:13:11,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 688 transitions. [2023-12-02 14:13:11,217 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 688 transitions. Word has length 210 [2023-12-02 14:13:11,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:13:11,218 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 688 transitions. [2023-12-02 14:13:11,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-12-02 14:13:11,219 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 688 transitions. [2023-12-02 14:13:11,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-12-02 14:13:11,221 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:13:11,221 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:13:11,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:13:11,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:13:11,422 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:13:11,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:13:11,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1993921581, now seen corresponding path program 1 times [2023-12-02 14:13:11,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:13:11,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528637528] [2023-12-02 14:13:11,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:13:11,423 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 14:13:11,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:13:11,424 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:13:11,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:13:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:13:11,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 14:13:11,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:13:15,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 503 proven. 330 refuted. 0 times theorem prover too weak. 1411 trivial. 0 not checked. [2023-12-02 14:13:15,550 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:13:26,933 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:13:26,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528637528] [2023-12-02 14:13:26,934 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: line 70713 column 7: push canceled [2023-12-02 14:13:26,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [527031817] [2023-12-02 14:13:26,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:13:26,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:13:26,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:13:26,935 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:13:26,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 14:13:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:13:28,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 14:13:28,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:15:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 503 proven. 330 refuted. 0 times theorem prover too weak. 1411 trivial. 0 not checked. [2023-12-02 14:15:53,575 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:16:17,261 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ zero_extend 24) c_~var_1_4~0))) (let ((.cse8 ((_ zero_extend 16) c_~last_1_var_1_5~0)) (.cse5 (bvadd .cse9 ((_ zero_extend 16) c_~var_1_7~0))) (.cse4 (bvsdiv ((_ zero_extend 16) c_~var_1_6~0) .cse9))) (let ((.cse1 (forall ((|ULTIMATE.start_step_~stepLocal_4~0#1| (_ BitVec 16))) (not (= (bvmul c_~var_1_19~0 .cse4) ((_ zero_extend 16) |ULTIMATE.start_step_~stepLocal_4~0#1|))))) (.cse0 (bvsgt .cse8 .cse5))) (and (or .cse0 (let ((.cse3 ((_ zero_extend 16) ((_ extract 15 0) .cse5)))) (let ((.cse2 (bvugt .cse3 c_~var_1_19~0))) (and (or .cse1 .cse2) (or (not .cse2) (forall ((|ULTIMATE.start_step_~stepLocal_4~0#1| (_ BitVec 16))) (not (= (bvmul .cse3 .cse4) ((_ zero_extend 16) |ULTIMATE.start_step_~stepLocal_4~0#1|))))))))) (or (let ((.cse7 ((_ zero_extend 16) ((_ extract 15 0) .cse8)))) (let ((.cse6 (bvugt .cse7 c_~var_1_19~0))) (and (or .cse1 .cse6) (or (forall ((|ULTIMATE.start_step_~stepLocal_4~0#1| (_ BitVec 16))) (not (= ((_ zero_extend 16) |ULTIMATE.start_step_~stepLocal_4~0#1|) (bvmul .cse7 .cse4)))) (not .cse6))))) (not .cse0)))))) is different from true [2023-12-02 14:16:25,617 WARN L293 SmtUtils]: Spent 7.22s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:16:42,220 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 24) c_~var_1_4~0))) (let ((.cse0 ((_ zero_extend 16) c_~last_1_var_1_5~0)) (.cse6 (bvadd .cse4 ((_ zero_extend 16) c_~var_1_7~0)))) (let ((.cse2 (bvsgt .cse0 .cse6)) (.cse1 (bvsdiv ((_ zero_extend 16) c_~var_1_6~0) .cse4))) (and (or (forall ((|ULTIMATE.start_step_~stepLocal_4~0#1| (_ BitVec 16))) (not (= ((_ zero_extend 16) |ULTIMATE.start_step_~stepLocal_4~0#1|) (bvmul ((_ zero_extend 16) ((_ extract 15 0) .cse0)) .cse1)))) (not .cse2)) (or .cse2 (let ((.cse5 ((_ zero_extend 16) ((_ extract 15 0) .cse6)))) (let ((.cse3 (bvugt .cse5 .cse4))) (and (or .cse3 (forall ((|ULTIMATE.start_step_~stepLocal_4~0#1| (_ BitVec 16))) (not (= (bvmul .cse4 .cse1) ((_ zero_extend 16) |ULTIMATE.start_step_~stepLocal_4~0#1|))))) (or (not .cse3) (forall ((|ULTIMATE.start_step_~stepLocal_4~0#1| (_ BitVec 16))) (not (= (bvmul .cse5 .cse1) ((_ zero_extend 16) |ULTIMATE.start_step_~stepLocal_4~0#1|))))))))))))) is different from true [2023-12-02 14:16:54,745 WARN L293 SmtUtils]: Spent 11.76s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:17:08,151 WARN L293 SmtUtils]: Spent 10.54s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:17:32,881 WARN L293 SmtUtils]: Spent 21.12s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:17:56,869 WARN L293 SmtUtils]: Spent 22.33s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:18:10,914 WARN L293 SmtUtils]: Spent 11.81s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:18:23,831 WARN L293 SmtUtils]: Spent 11.43s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:18:36,789 WARN L293 SmtUtils]: Spent 11.06s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:18:50,725 WARN L293 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:19:05,040 WARN L293 SmtUtils]: Spent 11.92s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:19:24,832 WARN L293 SmtUtils]: Spent 11.71s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:19:25,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [527031817] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:19:25,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351295926] [2023-12-02 14:19:25,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:19:25,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:19:25,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:19:25,953 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:19:25,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 14:19:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:19:26,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 14:19:26,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:22:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 503 proven. 330 refuted. 0 times theorem prover too weak. 1411 trivial. 0 not checked. [2023-12-02 14:22:33,995 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:22:49,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: line 132725 column 7: push canceled [2023-12-02 14:22:49,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:22:49,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2023-12-02 14:22:49,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554856333] [2023-12-02 14:22:49,551 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 14:22:49,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 14:22:49,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:22:49,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 14:22:49,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=366, Unknown=2, NotChecked=82, Total=552 [2023-12-02 14:22:49,553 INFO L87 Difference]: Start difference. First operand 429 states and 688 transitions. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 16 states have internal predecessors, (62), 5 states have call successors, (34), 5 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) [2023-12-02 14:23:53,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:56,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:01,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:03,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:05,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:08,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:10,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:12,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:13,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:22,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:24,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:26,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:25:26,560 INFO L93 Difference]: Finished difference Result 681 states and 1038 transitions. [2023-12-02 14:25:26,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 14:25:26,572 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 16 states have internal predecessors, (62), 5 states have call successors, (34), 5 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) Word has length 211 [2023-12-02 14:25:26,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:25:26,576 INFO L225 Difference]: With dead ends: 681 [2023-12-02 14:25:26,576 INFO L226 Difference]: Without dead ends: 507 [2023-12-02 14:25:26,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 681 GetRequests, 640 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 77.2s TimeCoverageRelationStatistics Valid=366, Invalid=1280, Unknown=2, NotChecked=158, Total=1806 [2023-12-02 14:25:26,579 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 203 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 84 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.9s IncrementalHoareTripleChecker+Time [2023-12-02 14:25:26,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 903 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 549 Invalid, 8 Unknown, 0 Unchecked, 103.9s Time] [2023-12-02 14:25:26,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2023-12-02 14:25:26,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 481. [2023-12-02 14:25:26,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 293 states have (on average 1.3242320819112627) internal successors, (388), 293 states have internal predecessors, (388), 170 states have call successors, (170), 17 states have call predecessors, (170), 17 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2023-12-02 14:25:26,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 728 transitions. [2023-12-02 14:25:26,635 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 728 transitions. Word has length 211 [2023-12-02 14:25:26,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:25:26,635 INFO L495 AbstractCegarLoop]: Abstraction has 481 states and 728 transitions. [2023-12-02 14:25:26,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 16 states have internal predecessors, (62), 5 states have call successors, (34), 5 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) [2023-12-02 14:25:26,636 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 728 transitions. [2023-12-02 14:25:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-12-02 14:25:26,637 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:25:26,637 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:26,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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)] Forceful destruction successful, exit code 0 [2023-12-02 14:25:26,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 14:25:27,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 14:25:27,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:25:27,241 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:25:27,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:25:27,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1936663279, now seen corresponding path program 1 times [2023-12-02 14:25:27,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:25:27,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935631435] [2023-12-02 14:25:27,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:25:27,245 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 14:25:27,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:25:27,248 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/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 14:25:27,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-02 14:25:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:25:27,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 14:25:27,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:26:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1065 proven. 63 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2023-12-02 14:26:09,849 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:26:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 36 proven. 63 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-12-02 14:26:31,747 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:26:31,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935631435] [2023-12-02 14:26:31,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935631435] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:26:31,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [612467183] [2023-12-02 14:26:31,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:26:31,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:26:31,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:26:31,749 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:26:31,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199800c8-4537-46e1-8a14-9eacbb01f1e2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 14:26:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:26:32,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 14:26:32,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:27:52,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1088 proven. 120 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2023-12-02 14:27:52,900 INFO L327 TraceCheckSpWp]: Computing backward predicates...