./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ --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 be4e3b4159e813d651c15a1198ce093d0780697daead1a14334250f886e53033 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:19:59,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:19:59,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:19:59,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:19:59,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:19:59,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:19:59,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:19:59,813 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:19:59,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:19:59,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:19:59,822 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:19:59,823 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:19:59,824 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:19:59,826 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:19:59,827 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:19:59,827 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:19:59,828 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:19:59,828 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:19:59,829 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:19:59,830 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:19:59,830 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:19:59,831 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:19:59,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:19:59,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:19:59,834 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:19:59,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:19:59,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:19:59,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:19:59,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:19:59,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:19:59,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:19:59,839 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:19:59,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:19:59,839 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:19:59,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:19:59,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:19:59,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:19:59,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:19:59,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:19:59,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:19:59,842 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:19:59,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:19:59,843 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:19:59,843 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:19:59,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:19:59,845 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_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be4e3b4159e813d651c15a1198ce093d0780697daead1a14334250f886e53033 [2023-11-19 05:20:00,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:20:00,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:20:00,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:20:00,236 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:20:00,237 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:20:00,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i [2023-11-19 05:20:03,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:20:04,169 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:20:04,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i [2023-11-19 05:20:04,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/data/7f2bb2199/52a18fa7f8304c1daa867fd6a82515b1/FLAG993507734 [2023-11-19 05:20:04,210 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/data/7f2bb2199/52a18fa7f8304c1daa867fd6a82515b1 [2023-11-19 05:20:04,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:20:04,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:20:04,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:04,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:20:04,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:20:04,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:04" (1/1) ... [2023-11-19 05:20:04,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71650b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04, skipping insertion in model container [2023-11-19 05:20:04,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:04" (1/1) ... [2023-11-19 05:20:04,282 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:20:04,438 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_a576e432-1fd1-42fd-8177-96027ca9930f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i[919,932] [2023-11-19 05:20:04,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:04,534 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:20:04,548 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_a576e432-1fd1-42fd-8177-96027ca9930f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i[919,932] [2023-11-19 05:20:04,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:04,641 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:20:04,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04 WrapperNode [2023-11-19 05:20:04,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:04,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:04,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:20:04,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:20:04,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04" (1/1) ... [2023-11-19 05:20:04,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04" (1/1) ... [2023-11-19 05:20:04,733 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2023-11-19 05:20:04,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:04,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:20:04,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:20:04,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:20:04,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04" (1/1) ... [2023-11-19 05:20:04,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04" (1/1) ... [2023-11-19 05:20:04,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04" (1/1) ... [2023-11-19 05:20:04,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04" (1/1) ... [2023-11-19 05:20:04,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04" (1/1) ... [2023-11-19 05:20:04,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04" (1/1) ... [2023-11-19 05:20:04,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04" (1/1) ... [2023-11-19 05:20:04,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04" (1/1) ... [2023-11-19 05:20:04,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:20:04,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:20:04,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:20:04,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:20:04,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04" (1/1) ... [2023-11-19 05:20:04,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:04,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:04,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:20:04,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:20:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:20:04,886 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:20:04,886 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:20:04,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:20:04,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:20:04,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:20:05,037 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:20:05,040 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:20:05,705 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:20:06,145 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:20:06,146 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:20:06,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:06 BoogieIcfgContainer [2023-11-19 05:20:06,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:20:06,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:20:06,158 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:20:06,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:20:06,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:20:04" (1/3) ... [2023-11-19 05:20:06,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3396c4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:06, skipping insertion in model container [2023-11-19 05:20:06,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:04" (2/3) ... [2023-11-19 05:20:06,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3396c4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:06, skipping insertion in model container [2023-11-19 05:20:06,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:06" (3/3) ... [2023-11-19 05:20:06,169 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i [2023-11-19 05:20:06,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:20:06,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:20:06,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:20:06,286 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;@10995662, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:20:06,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:20:06,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 05:20:06,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 05:20:06,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:06,309 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:20:06,310 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:06,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:06,321 INFO L85 PathProgramCache]: Analyzing trace with hash 40504151, now seen corresponding path program 1 times [2023-11-19 05:20:06,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:20:06,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919449712] [2023-11-19 05:20:06,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:06,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:20:06,644 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:20:06,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [431159752] [2023-11-19 05:20:06,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:06,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:20:06,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:06,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:20:06,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:20:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:20:06,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:20:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:20:07,221 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:20:07,224 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:20:07,226 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:20:07,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:07,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:20:07,460 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:20:07,465 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:20:07,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:20:07 BoogieIcfgContainer [2023-11-19 05:20:07,650 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:20:07,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:20:07,651 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:20:07,651 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:20:07,652 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:06" (3/4) ... [2023-11-19 05:20:07,654 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:20:07,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:20:07,657 INFO L158 Benchmark]: Toolchain (without parser) took 3441.94ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 107.4MB in the beginning and 141.6MB in the end (delta: -34.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 05:20:07,658 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:07,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.95ms. Allocated memory is still 151.0MB. Free memory was 107.4MB in the beginning and 91.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:20:07,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.24ms. Allocated memory is still 151.0MB. Free memory was 91.8MB in the beginning and 87.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:20:07,666 INFO L158 Benchmark]: Boogie Preprocessor took 60.85ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 84.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:20:07,668 INFO L158 Benchmark]: RCFGBuilder took 1357.34ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 84.4MB in the beginning and 121.4MB in the end (delta: -37.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-11-19 05:20:07,669 INFO L158 Benchmark]: TraceAbstraction took 1492.57ms. Allocated memory is still 213.9MB. Free memory was 120.3MB in the beginning and 141.6MB in the end (delta: -21.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:07,669 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 213.9MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:07,679 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.95ms. Allocated memory is still 151.0MB. Free memory was 107.4MB in the beginning and 91.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.24ms. Allocated memory is still 151.0MB. Free memory was 91.8MB in the beginning and 87.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.85ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 84.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1357.34ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 84.4MB in the beginning and 121.4MB in the end (delta: -37.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1492.57ms. Allocated memory is still 213.9MB. Free memory was 120.3MB in the beginning and 141.6MB in the end (delta: -21.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 213.9MB. Free memory is still 141.6MB. 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 73, overapproximation of bitwiseOr at line 119, overapproximation of someUnaryDOUBLEoperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 100; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_7 = 0; [L25] unsigned short int var_1_8 = 10; [L26] unsigned short int var_1_9 = 0; [L27] unsigned short int var_1_10 = 53946; [L28] unsigned short int var_1_11 = 1; [L29] unsigned long int var_1_12 = 8; [L30] double var_1_13 = 8.25; [L31] signed long int var_1_14 = -256; [L32] double var_1_15 = 0.19999999999999996; [L33] signed long int var_1_16 = -16; [L34] signed char var_1_17 = 1; [L35] signed char var_1_18 = 4; [L36] signed char var_1_19 = 64; [L37] signed long int var_1_20 = 1; [L38] signed long int var_1_21 = 1000000000; [L39] unsigned char var_1_23 = 4; [L40] unsigned char var_1_26 = 0; [L41] unsigned short int var_1_28 = 16; [L42] signed short int var_1_30 = -256; [L43] signed short int var_1_32 = 8; [L44] unsigned short int var_1_33 = 128; [L45] double var_1_34 = 0.25; [L46] signed long int var_1_36 = -32; [L47] unsigned char var_1_38 = 0; [L48] unsigned char var_1_39 = 1; [L49] float var_1_40 = 2.6; [L50] unsigned char var_1_41 = 0; [L51] unsigned char var_1_42 = 0; [L52] unsigned short int last_1_var_1_1 = 100; [L53] unsigned long int last_1_var_1_12 = 8; [L54] double last_1_var_1_13 = 8.25; [L55] signed long int last_1_var_1_16 = -16; [L194] isInitial = 1 [L195] FCALL initially() [L196] COND TRUE 1 [L197] CALL updateLastVariables() [L184] last_1_var_1_1 = var_1_1 [L185] last_1_var_1_12 = var_1_12 [L186] last_1_var_1_13 = var_1_13 [L187] last_1_var_1_16 = var_1_16 [L197] RET updateLastVariables() [L198] CALL updateVariables() [L140] var_1_6 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_7=0, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_7=0, var_1_8=10, var_1_9=0] [L142] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=10, var_1_9=0] [L143] var_1_7 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=10, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=10, var_1_9=0] [L146] var_1_8 = __VERIFIER_nondet_ushort() [L147] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L149] var_1_9 = __VERIFIER_nondet_ushort() [L150] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L151] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L152] var_1_10 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L154] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L155] var_1_11 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L157] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L158] var_1_14 = __VERIFIER_nondet_long() [L159] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L160] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L161] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L162] var_1_15 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L164] var_1_18 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L167] var_1_19 = __VERIFIER_nondet_char() [L168] CALL assume_abort_if_not(var_1_19 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_19 >= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L170] var_1_21 = __VERIFIER_nondet_long() [L171] CALL assume_abort_if_not(var_1_21 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_21 >= 536870911) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L172] CALL assume_abort_if_not(var_1_21 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_21 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L173] var_1_26 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L175] CALL assume_abort_if_not(var_1_26 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_26 <= 64) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L176] var_1_39 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_39 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_39 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L178] CALL assume_abort_if_not(var_1_39 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_39 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L179] var_1_42 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_42 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_42 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L181] CALL assume_abort_if_not(var_1_42 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_42 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-1, var_1_15=2, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=126, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L198] RET updateVariables() [L199] CALL step() [L59] unsigned char stepLocal_0 = last_1_var_1_13 >= last_1_var_1_13; [L60] COND FALSE !((last_1_var_1_12 == last_1_var_1_1) && stepLocal_0) [L71] var_1_1 = var_1_10 [L73] EXPR ((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10 [L73] COND FALSE !((((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10) >= last_1_var_1_16) [L78] var_1_17 = (4 - ((((var_1_18) < ((var_1_19 - 1))) ? (var_1_18) : ((var_1_19 - 1))))) [L79] unsigned long int stepLocal_4 = var_1_12; [L80] COND FALSE !(\read(var_1_6)) [L83] COND FALSE !((~ var_1_19) == stepLocal_4) [L86] var_1_20 = var_1_10 [L89] unsigned char stepLocal_3 = var_1_6; [L90] unsigned char stepLocal_2 = var_1_6; [L91] COND FALSE !(stepLocal_2 && (var_1_9 < (var_1_10 + var_1_20))) [L96] var_1_16 = var_1_8 [L98] signed long int stepLocal_1 = ((((var_1_10) < (var_1_1)) ? (var_1_10) : (var_1_1))) + (var_1_9 % var_1_14); [L99] COND TRUE stepLocal_1 >= ((((var_1_16) < (var_1_8)) ? (var_1_16) : (var_1_8))) [L100] var_1_13 = var_1_15 [L104] COND TRUE (var_1_20 + var_1_20) > 16 [L105] var_1_23 = ((var_1_26 + 2) + var_1_18) [L113] var_1_28 = var_1_10 [L114] COND TRUE var_1_16 < 2 [L115] var_1_30 = (((((((((var_1_26) > (var_1_19)) ? (var_1_26) : (var_1_19)))) > (var_1_12)) ? (((((var_1_26) > (var_1_19)) ? (var_1_26) : (var_1_19)))) : (var_1_12))) + var_1_19) [L119] EXPR var_1_11 | var_1_20 [L119] COND FALSE !((~ (var_1_11 | var_1_20)) >= (~ (~ 32))) [L122] EXPR var_1_19 >> var_1_18 [L122] COND FALSE !((var_1_19 >> var_1_18) <= var_1_18) [L127] COND TRUE var_1_12 >= var_1_11 [L128] EXPR ((((var_1_9) < (-2)) ? (var_1_9) : (-2))) | var_1_19 [L128] COND TRUE var_1_11 > (((((var_1_9) < (-2)) ? (var_1_9) : (-2))) | var_1_19) [L129] var_1_34 = ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) [L132] COND FALSE !(((var_1_8 - var_1_19) > var_1_8) && var_1_6) [L135] var_1_38 = var_1_39 [L136] var_1_40 = var_1_15 [L137] var_1_41 = var_1_42 [L199] RET step() [L200] CALL, EXPR property() [L190] EXPR (((last_1_var_1_12 == last_1_var_1_1) && (last_1_var_1_13 >= last_1_var_1_13)) ? (var_1_6 ? (var_1_7 ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((unsigned short int) ((((var_1_9) > (var_1_8)) ? (var_1_9) : (var_1_8)))))) : (var_1_1 == ((unsigned short int) (((((46167) > (var_1_10)) ? (46167) : (var_1_10))) - var_1_11)))) : (var_1_1 == ((unsigned short int) var_1_10))) && (((((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10) >= last_1_var_1_16) ? (var_1_7 ? (var_1_12 == ((unsigned long int) var_1_10)) : 1) : 1) [L190] EXPR ((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10 [L190] EXPR (((last_1_var_1_12 == last_1_var_1_1) && (last_1_var_1_13 >= last_1_var_1_13)) ? (var_1_6 ? (var_1_7 ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((unsigned short int) ((((var_1_9) > (var_1_8)) ? (var_1_9) : (var_1_8)))))) : (var_1_1 == ((unsigned short int) (((((46167) > (var_1_10)) ? (46167) : (var_1_10))) - var_1_11)))) : (var_1_1 == ((unsigned short int) var_1_10))) && (((((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10) >= last_1_var_1_16) ? (var_1_7 ? (var_1_12 == ((unsigned long int) var_1_10)) : 1) : 1) [L190-L191] return (((((((last_1_var_1_12 == last_1_var_1_1) && (last_1_var_1_13 >= last_1_var_1_13)) ? (var_1_6 ? (var_1_7 ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((unsigned short int) ((((var_1_9) > (var_1_8)) ? (var_1_9) : (var_1_8)))))) : (var_1_1 == ((unsigned short int) (((((46167) > (var_1_10)) ? (46167) : (var_1_10))) - var_1_11)))) : (var_1_1 == ((unsigned short int) var_1_10))) && (((((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10) >= last_1_var_1_16) ? (var_1_7 ? (var_1_12 == ((unsigned long int) var_1_10)) : 1) : 1)) && (((((((var_1_10) < (var_1_1)) ? (var_1_10) : (var_1_1))) + (var_1_9 % var_1_14)) >= ((((var_1_16) < (var_1_8)) ? (var_1_16) : (var_1_8)))) ? (var_1_13 == ((double) var_1_15)) : (var_1_13 == ((double) var_1_15)))) && ((var_1_6 && (var_1_9 < (var_1_10 + var_1_20))) ? ((var_1_7 && var_1_6) ? (var_1_16 == ((signed long int) var_1_10)) : 1) : (var_1_16 == ((signed long int) var_1_8)))) && (var_1_17 == ((signed char) (4 - ((((var_1_18) < ((var_1_19 - 1))) ? (var_1_18) : ((var_1_19 - 1)))))))) && (var_1_6 ? (var_1_20 == ((signed long int) ((var_1_8 - (var_1_21 - var_1_11)) + var_1_10))) : (((~ var_1_19) == var_1_12) ? (var_1_20 == ((signed long int) var_1_1)) : (var_1_20 == ((signed long int) var_1_10)))) ; [L200] RET, EXPR property() [L200] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=2, var_1_14=-1, var_1_15=2, var_1_16=0, var_1_17=4, var_1_18=0, var_1_19=126, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=32767, var_1_30=252, var_1_32=8, var_1_33=128, var_1_34=3, var_1_36=-32, var_1_38=1, var_1_39=1, var_1_40=2, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=2, var_1_14=-1, var_1_15=2, var_1_16=0, var_1_17=4, var_1_18=0, var_1_19=126, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=32767, var_1_30=252, var_1_32=8, var_1_33=128, var_1_34=3, var_1_36=-32, var_1_38=1, var_1_39=1, var_1_40=2, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 28, 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=51occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:20:07,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ --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 be4e3b4159e813d651c15a1198ce093d0780697daead1a14334250f886e53033 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:20:10,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:20:10,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:20:10,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:20:10,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:20:10,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:20:10,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:20:10,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:20:10,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:20:10,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:20:10,597 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:20:10,598 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:20:10,598 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:20:10,600 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:20:10,600 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:20:10,601 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:20:10,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:20:10,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:20:10,603 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:20:10,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:20:10,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:20:10,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:20:10,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:20:10,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:20:10,606 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:20:10,606 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:20:10,606 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:20:10,607 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:20:10,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:20:10,608 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:20:10,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:20:10,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:20:10,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:20:10,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:10,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:20:10,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:20:10,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:20:10,611 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:20:10,611 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:10,612 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:20:10,613 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:20:10,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:20:10,613 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_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be4e3b4159e813d651c15a1198ce093d0780697daead1a14334250f886e53033 [2023-11-19 05:20:11,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:20:11,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:20:11,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:20:11,054 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:20:11,055 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:20:11,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i [2023-11-19 05:20:14,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:20:14,656 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:20:14,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i [2023-11-19 05:20:14,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/data/49e0d8dd4/fe48c89515db42569aa2eb8c33c13633/FLAGc2569e84b [2023-11-19 05:20:14,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/data/49e0d8dd4/fe48c89515db42569aa2eb8c33c13633 [2023-11-19 05:20:14,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:20:14,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:20:14,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:14,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:20:14,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:20:14,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:14" (1/1) ... [2023-11-19 05:20:14,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70caaec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:14, skipping insertion in model container [2023-11-19 05:20:14,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:14" (1/1) ... [2023-11-19 05:20:14,782 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:20:14,951 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_a576e432-1fd1-42fd-8177-96027ca9930f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i[919,932] [2023-11-19 05:20:15,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:15,049 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:20:15,066 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_a576e432-1fd1-42fd-8177-96027ca9930f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i[919,932] [2023-11-19 05:20:15,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:15,197 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:20:15,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:15 WrapperNode [2023-11-19 05:20:15,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:15,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:15,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:20:15,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:20:15,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:15" (1/1) ... [2023-11-19 05:20:15,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:15" (1/1) ... [2023-11-19 05:20:15,302 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2023-11-19 05:20:15,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:15,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:20:15,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:20:15,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:20:15,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:15" (1/1) ... [2023-11-19 05:20:15,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:15" (1/1) ... [2023-11-19 05:20:15,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:15" (1/1) ... [2023-11-19 05:20:15,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:15" (1/1) ... [2023-11-19 05:20:15,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:15" (1/1) ... [2023-11-19 05:20:15,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:15" (1/1) ... [2023-11-19 05:20:15,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:15" (1/1) ... [2023-11-19 05:20:15,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:15" (1/1) ... [2023-11-19 05:20:15,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:20:15,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:20:15,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:20:15,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:20:15,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:15" (1/1) ... [2023-11-19 05:20:15,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:15,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:15,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:20:15,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:20:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:20:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:20:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:20:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:20:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:20:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:20:15,636 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:20:15,638 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:20:16,476 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:20:16,486 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:20:16,487 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:20:16,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:16 BoogieIcfgContainer [2023-11-19 05:20:16,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:20:16,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:20:16,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:20:16,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:20:16,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:20:14" (1/3) ... [2023-11-19 05:20:16,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332bf827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:16, skipping insertion in model container [2023-11-19 05:20:16,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:15" (2/3) ... [2023-11-19 05:20:16,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332bf827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:16, skipping insertion in model container [2023-11-19 05:20:16,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:16" (3/3) ... [2023-11-19 05:20:16,505 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i [2023-11-19 05:20:16,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:20:16,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:20:16,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:20:16,611 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;@140e85c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:20:16,611 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:20:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 05:20:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-19 05:20:16,644 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:16,645 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:20:16,648 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:16,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:16,657 INFO L85 PathProgramCache]: Analyzing trace with hash -845729044, now seen corresponding path program 1 times [2023-11-19 05:20:16,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:16,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [765766671] [2023-11-19 05:20:16,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:16,680 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:20:16,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:16,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:20:16,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:20:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:17,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:20:17,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:17,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2023-11-19 05:20:17,264 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:20:17,265 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:20:17,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [765766671] [2023-11-19 05:20:17,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [765766671] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:20:17,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:20:17,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:20:17,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344829263] [2023-11-19 05:20:17,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:20:17,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:20:17,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:20:17,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:20:17,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:20:17,321 INFO L87 Difference]: Start difference. First operand has 85 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 05:20:17,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:20:17,362 INFO L93 Difference]: Finished difference Result 163 states and 290 transitions. [2023-11-19 05:20:17,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:20:17,365 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 179 [2023-11-19 05:20:17,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:20:17,375 INFO L225 Difference]: With dead ends: 163 [2023-11-19 05:20:17,375 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 05:20:17,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:20:17,385 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:20:17,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:20:17,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 05:20:17,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-19 05:20:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 51 states have internal predecessors, (70), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 05:20:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 126 transitions. [2023-11-19 05:20:17,448 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 126 transitions. Word has length 179 [2023-11-19 05:20:17,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:20:17,448 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 126 transitions. [2023-11-19 05:20:17,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 05:20:17,449 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2023-11-19 05:20:17,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-19 05:20:17,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:17,454 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:20:17,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:20:17,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:20:17,664 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:17,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:17,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1117927976, now seen corresponding path program 1 times [2023-11-19 05:20:17,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:17,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436105383] [2023-11-19 05:20:17,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:17,677 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:20:17,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:17,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:20:17,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:20:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:18,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:20:18,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-19 05:20:18,502 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:20:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:20:19,854 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:20:19,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436105383] [2023-11-19 05:20:19,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436105383] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:20:19,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1864515250] [2023-11-19 05:20:19,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:19,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:19,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:20:19,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:20:19,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:20:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:20,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:20:20,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 05:20:21,403 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:20:21,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1864515250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:20:21,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:20:21,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 13 [2023-11-19 05:20:21,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199114638] [2023-11-19 05:20:21,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:20:21,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:20:21,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:20:21,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:20:21,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-11-19 05:20:21,409 INFO L87 Difference]: Start difference. First operand 81 states and 126 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 05:20:21,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:20:21,712 INFO L93 Difference]: Finished difference Result 257 states and 401 transitions. [2023-11-19 05:20:21,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:20:21,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 179 [2023-11-19 05:20:21,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:20:21,735 INFO L225 Difference]: With dead ends: 257 [2023-11-19 05:20:21,735 INFO L226 Difference]: Without dead ends: 179 [2023-11-19 05:20:21,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 503 SyntacticMatches, 20 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2023-11-19 05:20:21,743 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 111 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:20:21,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 380 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:20:21,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-11-19 05:20:21,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 157. [2023-11-19 05:20:21,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 98 states have (on average 1.3673469387755102) internal successors, (134), 98 states have internal predecessors, (134), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-19 05:20:21,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 246 transitions. [2023-11-19 05:20:21,820 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 246 transitions. Word has length 179 [2023-11-19 05:20:21,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:20:21,822 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 246 transitions. [2023-11-19 05:20:21,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 05:20:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 246 transitions. [2023-11-19 05:20:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-19 05:20:21,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:21,837 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:20:21,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:22,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:22,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:22,246 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:22,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:22,247 INFO L85 PathProgramCache]: Analyzing trace with hash -585291686, now seen corresponding path program 1 times [2023-11-19 05:20:22,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:22,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543657218] [2023-11-19 05:20:22,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:22,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:20:22,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:22,249 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:20:22,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:20:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:22,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:20:22,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-19 05:20:22,867 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:20:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:20:23,952 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:20:23,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543657218] [2023-11-19 05:20:23,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543657218] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:20:23,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2110214592] [2023-11-19 05:20:23,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:23,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:23,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:20:23,954 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:20:23,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 05:20:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:24,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 05:20:24,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:25,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 804 proven. 102 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2023-11-19 05:20:25,931 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:20:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2023-11-19 05:20:26,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2110214592] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:20:26,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072170943] [2023-11-19 05:20:26,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:26,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:20:26,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:26,694 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:20:26,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 05:20:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:26,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:20:26,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:27,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 804 proven. 102 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2023-11-19 05:20:27,799 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:20:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2023-11-19 05:20:28,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072170943] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:20:28,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:20:28,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 9, 9, 9, 9] total 22 [2023-11-19 05:20:28,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762749433] [2023-11-19 05:20:28,259 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:20:28,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-19 05:20:28,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:20:28,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-19 05:20:28,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2023-11-19 05:20:28,265 INFO L87 Difference]: Start difference. First operand 157 states and 246 transitions. Second operand has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 22 states have internal predecessors, (138), 6 states have call successors, (75), 4 states have call predecessors, (75), 9 states have return successors, (78), 6 states have call predecessors, (78), 6 states have call successors, (78) [2023-11-19 05:20:33,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:20:33,253 INFO L93 Difference]: Finished difference Result 689 states and 968 transitions. [2023-11-19 05:20:33,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-19 05:20:33,254 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 22 states have internal predecessors, (138), 6 states have call successors, (75), 4 states have call predecessors, (75), 9 states have return successors, (78), 6 states have call predecessors, (78), 6 states have call successors, (78) Word has length 180 [2023-11-19 05:20:33,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:20:33,260 INFO L225 Difference]: With dead ends: 689 [2023-11-19 05:20:33,261 INFO L226 Difference]: Without dead ends: 535 [2023-11-19 05:20:33,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1139 GetRequests, 1040 SyntacticMatches, 23 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1837 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=1696, Invalid=4310, Unknown=0, NotChecked=0, Total=6006 [2023-11-19 05:20:33,267 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 1094 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:20:33,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 394 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-19 05:20:33,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2023-11-19 05:20:33,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 416. [2023-11-19 05:20:33,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 286 states have (on average 1.2692307692307692) internal successors, (363), 293 states have internal predecessors, (363), 108 states have call successors, (108), 21 states have call predecessors, (108), 21 states have return successors, (108), 101 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-19 05:20:33,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 579 transitions. [2023-11-19 05:20:33,338 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 579 transitions. Word has length 180 [2023-11-19 05:20:33,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:20:33,339 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 579 transitions. [2023-11-19 05:20:33,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 22 states have internal predecessors, (138), 6 states have call successors, (75), 4 states have call predecessors, (75), 9 states have return successors, (78), 6 states have call predecessors, (78), 6 states have call successors, (78) [2023-11-19 05:20:33,340 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 579 transitions. [2023-11-19 05:20:33,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-19 05:20:33,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:33,343 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:20:33,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:33,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:33,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:33,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:33,973 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:33,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:33,974 INFO L85 PathProgramCache]: Analyzing trace with hash 2077990170, now seen corresponding path program 1 times [2023-11-19 05:20:33,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:33,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721782403] [2023-11-19 05:20:33,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:33,976 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:20:33,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:33,977 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:20:33,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a576e432-1fd1-42fd-8177-96027ca9930f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-19 05:20:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:34,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 05:20:34,317 INFO L285 TraceCheckSpWp]: Computing forward predicates...