./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 1aa5ccf491fa19757c49751a869c16c8e81ee57a7445aa2b11849a454021fdb2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 08:19:49,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 08:19:49,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 08:19:49,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 08:19:49,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 08:19:50,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 08:19:50,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 08:19:50,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 08:19:50,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 08:19:50,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 08:19:50,022 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 08:19:50,022 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 08:19:50,023 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 08:19:50,024 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 08:19:50,025 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 08:19:50,025 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 08:19:50,026 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 08:19:50,026 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 08:19:50,027 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 08:19:50,027 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 08:19:50,028 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 08:19:50,032 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 08:19:50,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 08:19:50,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 08:19:50,034 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 08:19:50,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 08:19:50,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 08:19:50,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 08:19:50,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 08:19:50,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 08:19:50,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 08:19:50,037 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 08:19:50,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 08:19:50,038 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 08:19:50,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 08:19:50,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 08:19:50,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 08:19:50,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:19:50,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 08:19:50,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 08:19:50,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 08:19:50,040 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 08:19:50,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 08:19:50,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 08:19:50,041 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 08:19:50,041 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 08:19:50,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 08:19:50,041 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_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aa5ccf491fa19757c49751a869c16c8e81ee57a7445aa2b11849a454021fdb2 [2023-12-02 08:19:50,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 08:19:50,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 08:19:50,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 08:19:50,359 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 08:19:50,359 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 08:19:50,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-50.i [2023-12-02 08:19:53,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 08:19:53,462 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 08:19:53,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-50.i [2023-12-02 08:19:53,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/data/e3e5986a7/d355dc93d4db4d9bb9cfd89b06986f8c/FLAG3bda60066 [2023-12-02 08:19:53,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/data/e3e5986a7/d355dc93d4db4d9bb9cfd89b06986f8c [2023-12-02 08:19:53,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 08:19:53,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 08:19:53,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 08:19:53,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 08:19:53,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 08:19:53,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:19:53" (1/1) ... [2023-12-02 08:19:53,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1705d92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53, skipping insertion in model container [2023-12-02 08:19:53,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:19:53" (1/1) ... [2023-12-02 08:19:53,553 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 08:19:53,725 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_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-50.i[919,932] [2023-12-02 08:19:53,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:19:53,831 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 08:19:53,843 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_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-50.i[919,932] [2023-12-02 08:19:53,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:19:53,911 INFO L206 MainTranslator]: Completed translation [2023-12-02 08:19:53,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53 WrapperNode [2023-12-02 08:19:53,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 08:19:53,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 08:19:53,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 08:19:53,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 08:19:53,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53" (1/1) ... [2023-12-02 08:19:53,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53" (1/1) ... [2023-12-02 08:19:53,983 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208 [2023-12-02 08:19:53,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 08:19:53,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 08:19:53,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 08:19:53,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 08:19:53,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53" (1/1) ... [2023-12-02 08:19:53,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53" (1/1) ... [2023-12-02 08:19:54,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53" (1/1) ... [2023-12-02 08:19:54,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53" (1/1) ... [2023-12-02 08:19:54,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53" (1/1) ... [2023-12-02 08:19:54,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53" (1/1) ... [2023-12-02 08:19:54,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53" (1/1) ... [2023-12-02 08:19:54,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53" (1/1) ... [2023-12-02 08:19:54,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 08:19:54,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 08:19:54,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 08:19:54,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 08:19:54,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53" (1/1) ... [2023-12-02 08:19:54,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:19:54,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:19:54,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 08:19:54,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 08:19:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 08:19:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 08:19:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 08:19:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 08:19:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 08:19:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 08:19:54,247 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 08:19:54,250 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 08:19:54,704 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 08:19:55,043 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 08:19:55,043 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 08:19:55,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:19:55 BoogieIcfgContainer [2023-12-02 08:19:55,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 08:19:55,049 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 08:19:55,049 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 08:19:55,052 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 08:19:55,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:19:53" (1/3) ... [2023-12-02 08:19:55,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3865665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:19:55, skipping insertion in model container [2023-12-02 08:19:55,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:19:53" (2/3) ... [2023-12-02 08:19:55,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3865665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:19:55, skipping insertion in model container [2023-12-02 08:19:55,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:19:55" (3/3) ... [2023-12-02 08:19:55,056 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-50.i [2023-12-02 08:19:55,074 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 08:19:55,074 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 08:19:55,124 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 08:19:55,131 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;@73f1fb01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 08:19:55,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 08:19:55,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 08:19:55,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 08:19:55,148 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:19:55,149 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:19:55,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:19:55,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:19:55,155 INFO L85 PathProgramCache]: Analyzing trace with hash 999748391, now seen corresponding path program 1 times [2023-12-02 08:19:55,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:19:55,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046008677] [2023-12-02 08:19:55,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:19:55,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:19:55,336 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 08:19:55,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [571982084] [2023-12-02 08:19:55,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:19:55,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:19:55,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:19:55,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:19:55,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 08:19:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 08:19:56,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 08:19:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 08:19:56,291 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 08:19:56,294 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 08:19:56,295 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 08:19:56,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 08:19:56,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 08:19:56,502 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 08:19:56,507 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 08:19:56,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:19:56 BoogieIcfgContainer [2023-12-02 08:19:56,617 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 08:19:56,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 08:19:56,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 08:19:56,618 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 08:19:56,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:19:55" (3/4) ... [2023-12-02 08:19:56,621 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 08:19:56,623 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 08:19:56,624 INFO L158 Benchmark]: Toolchain (without parser) took 3126.61ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 121.4MB in the beginning and 106.3MB in the end (delta: 15.1MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2023-12-02 08:19:56,625 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 161.5MB. Free memory was 126.1MB in the beginning and 126.0MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 08:19:56,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.06ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 105.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 08:19:56,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.79ms. Allocated memory is still 161.5MB. Free memory was 105.3MB in the beginning and 100.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 08:19:56,627 INFO L158 Benchmark]: Boogie Preprocessor took 65.04ms. Allocated memory is still 161.5MB. Free memory was 100.4MB in the beginning and 97.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 08:19:56,628 INFO L158 Benchmark]: RCFGBuilder took 995.53ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 97.7MB in the beginning and 156.6MB in the end (delta: -59.0MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2023-12-02 08:19:56,629 INFO L158 Benchmark]: TraceAbstraction took 1568.75ms. Allocated memory is still 213.9MB. Free memory was 156.6MB in the beginning and 106.3MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-12-02 08:19:56,630 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 213.9MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 08:19:56,634 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 161.5MB. Free memory was 126.1MB in the beginning and 126.0MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.06ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 105.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.79ms. Allocated memory is still 161.5MB. Free memory was 105.3MB in the beginning and 100.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.04ms. Allocated memory is still 161.5MB. Free memory was 100.4MB in the beginning and 97.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 995.53ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 97.7MB in the beginning and 156.6MB in the end (delta: -59.0MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1568.75ms. Allocated memory is still 213.9MB. Free memory was 156.6MB in the beginning and 106.3MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 213.9MB. Free memory is still 106.3MB. 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 shiftRight at line 92, overapproximation of someBinaryArithmeticDOUBLEoperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someUnaryDOUBLEoperation at line 67, overapproximation of bitwiseAnd at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 57, overapproximation of someUnaryFLOAToperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_7 = 0; [L24] unsigned char var_1_8 = 1; [L25] signed short int var_1_9 = -2; [L26] float var_1_13 = 999.4; [L27] float var_1_14 = 100.425; [L28] float var_1_15 = 3.375; [L29] float var_1_16 = 15.9; [L30] signed short int var_1_17 = -10; [L31] signed short int var_1_18 = 18060; [L32] unsigned char var_1_20 = 0; [L33] unsigned long int var_1_21 = 4; [L34] unsigned char var_1_23 = 0; [L35] unsigned char var_1_24 = 0; [L36] unsigned char var_1_25 = 100; [L37] unsigned char var_1_26 = 32; [L38] unsigned char var_1_27 = 10; [L39] unsigned char var_1_28 = 1; [L40] unsigned short int var_1_29 = 256; [L41] unsigned char var_1_30 = 1; [L42] unsigned char var_1_31 = 4; [L43] double var_1_33 = 31.625; [L44] double var_1_36 = 15.75; [L45] double var_1_37 = 15.375; [L46] unsigned short int var_1_38 = 16; [L47] unsigned char var_1_39 = 0; [L48] double var_1_44 = 128.5; [L49] float var_1_45 = 1.85; [L50] double var_1_46 = 1.5; [L51] double var_1_47 = 99999999999.4; [L52] unsigned char var_1_49 = 128; [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] FCALL updateLastVariables() [L177] CALL updateVariables() [L126] var_1_7 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L128] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L129] var_1_8 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L131] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L132] var_1_14 = __VERIFIER_nondet_float() [L133] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L134] var_1_15 = __VERIFIER_nondet_float() [L135] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L136] var_1_16 = __VERIFIER_nondet_float() [L137] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L138] var_1_18 = __VERIFIER_nondet_short() [L139] CALL assume_abort_if_not(var_1_18 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_18 >= 16382) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L140] CALL assume_abort_if_not(var_1_18 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_18 <= 32766) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L141] var_1_21 = __VERIFIER_nondet_ulong() [L142] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L143] CALL assume_abort_if_not(var_1_21 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_21 <= 4294967295) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L144] CALL assume_abort_if_not(var_1_21 != 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_21 != 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L145] var_1_23 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L147] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L148] var_1_24 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L150] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L151] var_1_26 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L153] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L154] var_1_27 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L156] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_27=127, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_27=127, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L157] var_1_36 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_27=127, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_27=127, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L159] var_1_37 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_27=127, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_27=127, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L161] var_1_46 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_46 >= 0.0F && var_1_46 <= -1.0e-20F) || (var_1_46 <= 9223372.036854776000e+12F && var_1_46 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_27=127, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_46 >= 0.0F && var_1_46 <= -1.0e-20F) || (var_1_46 <= 9223372.036854776000e+12F && var_1_46 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_27=127, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L163] var_1_47 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_47 >= 0.0F && var_1_47 <= -1.0e-20F) || (var_1_47 <= 9223372.036854776000e+12F && var_1_47 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_27=127, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_47 >= 0.0F && var_1_47 <= -1.0e-20F) || (var_1_47 <= 9223372.036854776000e+12F && var_1_47 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=127, var_1_27=127, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L177] RET updateVariables() [L178] CALL step() [L56] COND TRUE \read(var_1_8) [L57] var_1_13 = (((((var_1_14 + var_1_15)) < (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16))))) ? ((var_1_14 + var_1_15)) : (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16)))))) [L59] COND TRUE \read(var_1_8) [L60] var_1_25 = (var_1_26 + var_1_27) [L62] COND FALSE !((var_1_16 * (var_1_46 - var_1_47)) < var_1_15) [L67] var_1_45 = (((((((((((var_1_15) > (var_1_36)) ? (var_1_15) : (var_1_36)))) < (var_1_37)) ? (((((var_1_15) > (var_1_36)) ? (var_1_15) : (var_1_36)))) : (var_1_37))) < 0 ) ? -((((((((var_1_15) > (var_1_36)) ? (var_1_15) : (var_1_36)))) < (var_1_37)) ? (((((var_1_15) > (var_1_36)) ? (var_1_15) : (var_1_36)))) : (var_1_37))) : ((((((((var_1_15) > (var_1_36)) ? (var_1_15) : (var_1_36)))) < (var_1_37)) ? (((((var_1_15) > (var_1_36)) ? (var_1_15) : (var_1_36)))) : (var_1_37))))) [L69] var_1_29 = var_1_27 [L70] var_1_38 = ((((var_1_26) > (var_1_27)) ? (var_1_26) : (var_1_27))) [L71] var_1_30 = var_1_8 [L72] COND FALSE !((var_1_29 > var_1_25) && var_1_30) [L75] var_1_9 = ((((var_1_25) > ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25))))) ? (var_1_25) : ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25)))))) [L77] var_1_31 = var_1_26 [L78] var_1_17 = ((var_1_18 - 25) - var_1_25) [L79] COND FALSE !(var_1_36 <= var_1_14) [L84] var_1_44 = var_1_36 [L86] signed long int stepLocal_2 = var_1_25 + var_1_17; [L87] COND TRUE ((var_1_18 % var_1_21) & ((((1u) < 0 ) ? -(1u) : (1u)))) < stepLocal_2 [L88] var_1_20 = (var_1_23 || var_1_24) [L92] EXPR var_1_29 & (var_1_18 + 2u) [L92] EXPR 16u >> var_1_26 [L92] COND FALSE !((var_1_29 & (var_1_18 + 2u)) < (16u >> var_1_26)) [L95] signed short int stepLocal_3 = var_1_9; [L96] COND FALSE !((~ var_1_29) > stepLocal_3) [L99] var_1_28 = (var_1_20 || ((! var_1_23) && (var_1_24 || var_1_7))) [L101] COND FALSE !(! var_1_8) [L104] var_1_8 || (var_1_27 >= (var_1_25 & var_1_18)) [L104] COND TRUE var_1_8 || (var_1_27 >= (var_1_25 & var_1_18)) [L105] COND FALSE !(-2 > var_1_18) [L108] var_1_49 = var_1_27 [L111] signed long int stepLocal_1 = (((var_1_9) > (var_1_25)) ? (var_1_9) : (var_1_25)); [L112] unsigned char stepLocal_0 = var_1_25; [L113] COND FALSE !(stepLocal_1 <= (var_1_25 - var_1_25)) [L122] var_1_1 = 0 [L178] RET step() [L179] CALL, EXPR property() [L169-L170] return (((((((((((((var_1_9) > (var_1_25)) ? (var_1_9) : (var_1_25))) <= (var_1_25 - var_1_25)) ? ((var_1_25 < var_1_25) ? (var_1_20 ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_8))) : 1) : (var_1_1 == ((unsigned char) 0))) && (((var_1_29 > var_1_25) && var_1_30) ? (var_1_9 == ((signed short int) var_1_25)) : (var_1_9 == ((signed short int) ((((var_1_25) > ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25))))) ? (var_1_25) : ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25)))))))))) && (var_1_8 ? (var_1_13 == ((float) (((((var_1_14 + var_1_15)) < (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16))))) ? ((var_1_14 + var_1_15)) : (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16)))))))) : 1)) && (var_1_17 == ((signed short int) ((var_1_18 - 25) - var_1_25)))) && ((((var_1_18 % var_1_21) & ((((1u) < 0 ) ? -(1u) : (1u)))) < (var_1_25 + var_1_17)) ? (var_1_20 == ((unsigned char) (var_1_23 || var_1_24))) : (var_1_20 == ((unsigned char) var_1_7)))) && (var_1_8 ? (var_1_25 == ((unsigned char) (var_1_26 + var_1_27))) : 1)) && (((~ var_1_29) > var_1_9) ? (var_1_28 == ((unsigned char) (! var_1_7))) : (var_1_28 == ((unsigned char) (var_1_20 || ((! var_1_23) && (var_1_24 || var_1_7))))))) && (var_1_29 == ((unsigned short int) var_1_27))) && (var_1_30 == ((unsigned char) var_1_8)) ; [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_13=3, var_1_15=0, var_1_16=0, var_1_17=16103, var_1_18=16382, var_1_1=0, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=254, var_1_26=127, var_1_27=127, var_1_28=1, var_1_29=127, var_1_30=1, var_1_31=127, var_1_33=253/8, var_1_36=4, var_1_37=0, var_1_38=127, var_1_39=0, var_1_44=4, var_1_45=2, var_1_49=127, var_1_7=1, var_1_8=1, var_1_9=254] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_13=3, var_1_15=0, var_1_16=0, var_1_17=16103, var_1_18=16382, var_1_1=0, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=254, var_1_26=127, var_1_27=127, var_1_28=1, var_1_29=127, var_1_30=1, var_1_31=127, var_1_33=253/8, var_1_36=4, var_1_37=0, var_1_38=127, var_1_39=0, var_1_44=4, var_1_45=2, var_1_49=127, var_1_7=1, var_1_8=1, var_1_9=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 24, 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=48occurred 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 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 08:19:56,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 1aa5ccf491fa19757c49751a869c16c8e81ee57a7445aa2b11849a454021fdb2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 08:19:58,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 08:19:58,994 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 08:19:59,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 08:19:59,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 08:19:59,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 08:19:59,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 08:19:59,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 08:19:59,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 08:19:59,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 08:19:59,036 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 08:19:59,037 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 08:19:59,038 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 08:19:59,038 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 08:19:59,039 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 08:19:59,039 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 08:19:59,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 08:19:59,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 08:19:59,041 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 08:19:59,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 08:19:59,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 08:19:59,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 08:19:59,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 08:19:59,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 08:19:59,045 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 08:19:59,045 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 08:19:59,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 08:19:59,046 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 08:19:59,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 08:19:59,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 08:19:59,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 08:19:59,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 08:19:59,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 08:19:59,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 08:19:59,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:19:59,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 08:19:59,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 08:19:59,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 08:19:59,050 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 08:19:59,050 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 08:19:59,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 08:19:59,051 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 08:19:59,051 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 08:19:59,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 08:19:59,052 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_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aa5ccf491fa19757c49751a869c16c8e81ee57a7445aa2b11849a454021fdb2 [2023-12-02 08:19:59,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 08:19:59,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 08:19:59,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 08:19:59,411 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 08:19:59,411 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 08:19:59,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-50.i [2023-12-02 08:20:02,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 08:20:02,553 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 08:20:02,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-50.i [2023-12-02 08:20:02,565 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/data/fe3e6e709/923c3498595142c3820bc752d6c58e31/FLAG0c0759196 [2023-12-02 08:20:02,578 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/data/fe3e6e709/923c3498595142c3820bc752d6c58e31 [2023-12-02 08:20:02,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 08:20:02,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 08:20:02,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 08:20:02,585 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 08:20:02,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 08:20:02,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:20:02" (1/1) ... [2023-12-02 08:20:02,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3316d291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:02, skipping insertion in model container [2023-12-02 08:20:02,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:20:02" (1/1) ... [2023-12-02 08:20:02,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 08:20:02,820 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_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-50.i[919,932] [2023-12-02 08:20:02,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:20:02,923 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 08:20:02,937 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_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-50.i[919,932] [2023-12-02 08:20:02,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:20:03,007 INFO L206 MainTranslator]: Completed translation [2023-12-02 08:20:03,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:03 WrapperNode [2023-12-02 08:20:03,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 08:20:03,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 08:20:03,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 08:20:03,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 08:20:03,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:03" (1/1) ... [2023-12-02 08:20:03,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:03" (1/1) ... [2023-12-02 08:20:03,077 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2023-12-02 08:20:03,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 08:20:03,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 08:20:03,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 08:20:03,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 08:20:03,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:03" (1/1) ... [2023-12-02 08:20:03,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:03" (1/1) ... [2023-12-02 08:20:03,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:03" (1/1) ... [2023-12-02 08:20:03,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:03" (1/1) ... [2023-12-02 08:20:03,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:03" (1/1) ... [2023-12-02 08:20:03,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:03" (1/1) ... [2023-12-02 08:20:03,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:03" (1/1) ... [2023-12-02 08:20:03,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:03" (1/1) ... [2023-12-02 08:20:03,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 08:20:03,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 08:20:03,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 08:20:03,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 08:20:03,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:03" (1/1) ... [2023-12-02 08:20:03,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:20:03,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:20:03,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 08:20:03,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 08:20:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 08:20:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 08:20:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 08:20:03,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 08:20:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 08:20:03,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 08:20:03,360 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 08:20:03,363 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 08:20:10,924 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 08:20:10,978 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 08:20:10,978 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 08:20:10,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:20:10 BoogieIcfgContainer [2023-12-02 08:20:10,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 08:20:10,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 08:20:10,984 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 08:20:10,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 08:20:10,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:20:02" (1/3) ... [2023-12-02 08:20:10,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a227642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:20:10, skipping insertion in model container [2023-12-02 08:20:10,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:03" (2/3) ... [2023-12-02 08:20:10,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a227642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:20:10, skipping insertion in model container [2023-12-02 08:20:10,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:20:10" (3/3) ... [2023-12-02 08:20:10,993 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-50.i [2023-12-02 08:20:11,018 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 08:20:11,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 08:20:11,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 08:20:11,091 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;@3e073dc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 08:20:11,092 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 08:20:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 47 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 08:20:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-02 08:20:11,119 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:20:11,120 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:11,121 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:20:11,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:20:11,128 INFO L85 PathProgramCache]: Analyzing trace with hash 262566334, now seen corresponding path program 1 times [2023-12-02 08:20:11,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 08:20:11,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382156790] [2023-12-02 08:20:11,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:20:11,148 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 08:20:11,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 08:20:11,151 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:11,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:20:11,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 08:20:11,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:20:12,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2023-12-02 08:20:12,018 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 08:20:12,019 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 08:20:12,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382156790] [2023-12-02 08:20:12,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1382156790] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:20:12,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:20:12,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 08:20:12,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91857072] [2023-12-02 08:20:12,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:20:12,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 08:20:12,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 08:20:12,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 08:20:12,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 08:20:12,066 INFO L87 Difference]: Start difference. First operand has 73 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 47 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 08:20:12,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:20:12,344 INFO L93 Difference]: Finished difference Result 143 states and 252 transitions. [2023-12-02 08:20:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 08:20:12,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2023-12-02 08:20:12,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:20:12,365 INFO L225 Difference]: With dead ends: 143 [2023-12-02 08:20:12,366 INFO L226 Difference]: Without dead ends: 71 [2023-12-02 08:20:12,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 08:20:12,373 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 08:20:12,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 08:20:12,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-02 08:20:12,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-12-02 08:20:12,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 45 states have internal predecessors, (62), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 08:20:12,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 110 transitions. [2023-12-02 08:20:12,423 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 110 transitions. Word has length 156 [2023-12-02 08:20:12,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:20:12,424 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 110 transitions. [2023-12-02 08:20:12,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 08:20:12,424 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2023-12-02 08:20:12,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-02 08:20:12,429 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:20:12,430 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:12,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:12,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:12,631 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:20:12,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:20:12,632 INFO L85 PathProgramCache]: Analyzing trace with hash -354735998, now seen corresponding path program 1 times [2023-12-02 08:20:12,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 08:20:12,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049904440] [2023-12-02 08:20:12,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:20:12,633 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 08:20:12,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 08:20:12,635 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:12,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:20:13,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 08:20:13,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:20:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 08:20:13,744 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 08:20:13,744 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 08:20:13,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049904440] [2023-12-02 08:20:13,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2049904440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:20:13,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:20:13,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 08:20:13,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328216242] [2023-12-02 08:20:13,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:20:13,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 08:20:13,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 08:20:13,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 08:20:13,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 08:20:13,750 INFO L87 Difference]: Start difference. First operand 71 states and 110 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 08:20:14,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:20:14,154 INFO L93 Difference]: Finished difference Result 191 states and 297 transitions. [2023-12-02 08:20:14,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 08:20:14,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 156 [2023-12-02 08:20:14,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:20:14,158 INFO L225 Difference]: With dead ends: 191 [2023-12-02 08:20:14,158 INFO L226 Difference]: Without dead ends: 121 [2023-12-02 08:20:14,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 08:20:14,161 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 115 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 08:20:14,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 421 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 08:20:14,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-02 08:20:14,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 71. [2023-12-02 08:20:14,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 45 states have internal predecessors, (61), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 08:20:14,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 109 transitions. [2023-12-02 08:20:14,178 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 109 transitions. Word has length 156 [2023-12-02 08:20:14,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:20:14,180 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 109 transitions. [2023-12-02 08:20:14,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 08:20:14,180 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-12-02 08:20:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-02 08:20:14,183 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:20:14,184 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:14,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:14,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:14,384 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:20:14,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:20:14,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1164082624, now seen corresponding path program 1 times [2023-12-02 08:20:14,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 08:20:14,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440737962] [2023-12-02 08:20:14,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:20:14,386 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 08:20:14,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 08:20:14,387 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:14,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 08:20:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:20:15,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 08:20:15,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:20:15,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 195 proven. 63 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2023-12-02 08:20:15,889 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:20:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 08:20:16,470 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 08:20:16,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440737962] [2023-12-02 08:20:16,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440737962] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:20:16,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [231617206] [2023-12-02 08:20:16,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:20:16,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 08:20:16,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 08:20:16,473 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 08:20:16,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 08:20:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:20:17,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 08:20:17,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:20:17,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 08:20:17,355 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 08:20:17,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [231617206] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:20:17,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 08:20:17,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 7 [2023-12-02 08:20:17,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724364547] [2023-12-02 08:20:17,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:20:17,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:20:17,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 08:20:17,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:20:17,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 08:20:17,358 INFO L87 Difference]: Start difference. First operand 71 states and 109 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 08:20:18,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:20:18,444 INFO L93 Difference]: Finished difference Result 174 states and 265 transitions. [2023-12-02 08:20:18,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:20:18,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 156 [2023-12-02 08:20:18,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:20:18,447 INFO L225 Difference]: With dead ends: 174 [2023-12-02 08:20:18,447 INFO L226 Difference]: Without dead ends: 104 [2023-12-02 08:20:18,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 458 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 08:20:18,451 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 33 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 08:20:18,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 203 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 08:20:18,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-02 08:20:18,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2023-12-02 08:20:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 73 states have internal predecessors, (100), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 08:20:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 152 transitions. [2023-12-02 08:20:18,469 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 152 transitions. Word has length 156 [2023-12-02 08:20:18,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:20:18,470 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 152 transitions. [2023-12-02 08:20:18,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 08:20:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2023-12-02 08:20:18,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-02 08:20:18,473 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:20:18,473 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:18,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 08:20:18,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-02 08:20:18,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 08:20:18,875 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:20:18,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:20:18,876 INFO L85 PathProgramCache]: Analyzing trace with hash -552203776, now seen corresponding path program 1 times [2023-12-02 08:20:18,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 08:20:18,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997786495] [2023-12-02 08:20:18,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:20:18,877 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 08:20:18,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 08:20:18,878 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:18,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 08:20:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:20:19,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 08:20:19,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:20:20,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 195 proven. 63 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2023-12-02 08:20:20,467 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:20:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 08:20:20,968 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 08:20:20,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997786495] [2023-12-02 08:20:20,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997786495] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:20:20,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [775786671] [2023-12-02 08:20:20,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:20:20,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 08:20:20,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 08:20:20,970 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 08:20:20,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 08:20:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:20:21,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 08:20:21,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:20:21,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 08:20:21,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 08:20:21,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [775786671] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:20:21,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 08:20:21,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 8 [2023-12-02 08:20:21,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111307725] [2023-12-02 08:20:21,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:20:21,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 08:20:21,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 08:20:21,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 08:20:21,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 08:20:21,825 INFO L87 Difference]: Start difference. First operand 101 states and 152 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 08:20:23,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:20:23,026 INFO L93 Difference]: Finished difference Result 217 states and 322 transitions. [2023-12-02 08:20:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 08:20:23,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 156 [2023-12-02 08:20:23,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:20:23,030 INFO L225 Difference]: With dead ends: 217 [2023-12-02 08:20:23,030 INFO L226 Difference]: Without dead ends: 117 [2023-12-02 08:20:23,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 458 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-02 08:20:23,032 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 94 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 08:20:23,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 258 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 08:20:23,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-12-02 08:20:23,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 90. [2023-12-02 08:20:23,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 63 states have internal predecessors, (86), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 08:20:23,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 134 transitions. [2023-12-02 08:20:23,050 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 134 transitions. Word has length 156 [2023-12-02 08:20:23,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:20:23,051 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 134 transitions. [2023-12-02 08:20:23,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 08:20:23,052 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2023-12-02 08:20:23,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-02 08:20:23,054 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:20:23,055 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:23,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-02 08:20:23,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-02 08:20:23,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:23,456 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:20:23,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:20:23,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1832067454, now seen corresponding path program 1 times [2023-12-02 08:20:23,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 08:20:23,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657731340] [2023-12-02 08:20:23,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:20:23,458 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 08:20:23,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 08:20:23,459 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:23,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:20:24,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 08:20:24,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:20:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 195 proven. 63 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2023-12-02 08:20:24,942 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:20:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 08:20:25,435 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 08:20:25,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [657731340] [2023-12-02 08:20:25,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [657731340] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:20:25,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1204730842] [2023-12-02 08:20:25,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:20:25,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 08:20:25,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 08:20:25,437 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 08:20:25,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 08:20:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:20:27,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 08:20:27,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:20:28,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 195 proven. 63 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2023-12-02 08:20:28,175 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:20:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 08:20:28,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1204730842] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:20:28,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158133516] [2023-12-02 08:20:28,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:20:28,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:20:28,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:20:28,664 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:20:28,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 08:20:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:20:29,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 08:20:29,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:20:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 195 proven. 63 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2023-12-02 08:20:30,050 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:20:30,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 08:20:30,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158133516] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:20:30,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 08:20:30,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-12-02 08:20:30,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078730087] [2023-12-02 08:20:30,470 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 08:20:30,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 08:20:30,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 08:20:30,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 08:20:30,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 08:20:30,472 INFO L87 Difference]: Start difference. First operand 90 states and 134 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-02 08:20:31,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:20:31,682 INFO L93 Difference]: Finished difference Result 170 states and 247 transitions. [2023-12-02 08:20:31,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 08:20:31,683 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 156 [2023-12-02 08:20:31,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:20:31,685 INFO L225 Difference]: With dead ends: 170 [2023-12-02 08:20:31,685 INFO L226 Difference]: Without dead ends: 81 [2023-12-02 08:20:31,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 934 GetRequests, 922 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-02 08:20:31,686 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 35 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 08:20:31,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 159 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 08:20:31,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-12-02 08:20:31,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2023-12-02 08:20:31,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 51 states have (on average 1.2352941176470589) internal successors, (63), 51 states have internal predecessors, (63), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 08:20:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2023-12-02 08:20:31,698 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 156 [2023-12-02 08:20:31,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:20:31,699 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2023-12-02 08:20:31,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-02 08:20:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-12-02 08:20:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-02 08:20:31,703 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:20:31,703 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:31,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-02 08:20:31,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 08:20:32,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 08:20:32,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:20:32,305 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:20:32,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:20:32,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1264767887, now seen corresponding path program 1 times [2023-12-02 08:20:32,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 08:20:32,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308828457] [2023-12-02 08:20:32,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:20:32,306 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 08:20:32,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 08:20:32,307 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:32,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:20:32,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 08:20:32,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:20:33,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 485 proven. 48 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2023-12-02 08:20:33,675 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:20:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 08:20:34,240 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 08:20:34,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308828457] [2023-12-02 08:20:34,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1308828457] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:20:34,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [580244062] [2023-12-02 08:20:34,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:20:34,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 08:20:34,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 08:20:34,242 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 08:20:34,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 08:20:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:20:36,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 08:20:36,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:20:36,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 485 proven. 48 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2023-12-02 08:20:36,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:20:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 08:20:37,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [580244062] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:20:37,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548369974] [2023-12-02 08:20:37,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:20:37,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:20:37,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:20:37,062 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:20:37,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 08:20:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:20:37,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 08:20:37,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:20:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 485 proven. 48 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2023-12-02 08:20:38,155 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:20:38,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 08:20:38,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548369974] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:20:38,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 08:20:38,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2023-12-02 08:20:38,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408279945] [2023-12-02 08:20:38,532 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 08:20:38,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 08:20:38,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 08:20:38,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 08:20:38,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 08:20:38,534 INFO L87 Difference]: Start difference. First operand 79 states and 111 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 3 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-12-02 08:20:39,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:20:39,453 INFO L93 Difference]: Finished difference Result 163 states and 226 transitions. [2023-12-02 08:20:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 08:20:39,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 3 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 157 [2023-12-02 08:20:39,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:20:39,462 INFO L225 Difference]: With dead ends: 163 [2023-12-02 08:20:39,462 INFO L226 Difference]: Without dead ends: 85 [2023-12-02 08:20:39,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 930 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-12-02 08:20:39,464 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 39 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 08:20:39,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 156 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 08:20:39,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-12-02 08:20:39,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2023-12-02 08:20:39,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 08:20:39,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 113 transitions. [2023-12-02 08:20:39,476 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 113 transitions. Word has length 157 [2023-12-02 08:20:39,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:20:39,477 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 113 transitions. [2023-12-02 08:20:39,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 3 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-12-02 08:20:39,477 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2023-12-02 08:20:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-02 08:20:39,479 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:20:39,479 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:39,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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)] Forceful destruction successful, exit code 0 [2023-12-02 08:20:39,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 08:20:39,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 08:20:40,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:20:40,089 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:20:40,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:20:40,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1207509585, now seen corresponding path program 1 times [2023-12-02 08:20:40,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 08:20:40,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852935089] [2023-12-02 08:20:40,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:20:40,090 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 08:20:40,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 08:20:40,091 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 08:20:40,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c835d8-6a9e-46eb-b6bf-7d433de91a2e/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 (14)] Waiting until timeout for monitored process [2023-12-02 08:20:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:20:40,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 08:20:40,667 INFO L285 TraceCheckSpWp]: Computing forward predicates...