./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e919fd22358c90cf1583ef71db0b27d132265c312f4d4a1e7535b952b611340 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:17:18,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:17:18,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:17:18,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:17:18,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:17:18,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:17:18,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:17:18,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:17:18,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:17:18,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:17:18,930 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:17:18,931 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:17:18,931 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:17:18,932 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:17:18,932 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:17:18,933 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:17:18,934 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:17:18,934 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:17:18,935 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:17:18,935 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:17:18,936 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:17:18,937 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:17:18,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:17:18,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:17:18,939 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:17:18,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:17:18,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:17:18,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:17:18,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:17:18,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:17:18,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:17:18,941 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:17:18,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:17:18,941 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:17:18,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:17:18,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:17:18,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:17:18,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:17:18,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:17:18,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:17:18,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:17:18,943 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:17:18,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:17:18,944 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:17:18,944 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:17:18,944 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:17:18,944 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:17:18,944 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_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e919fd22358c90cf1583ef71db0b27d132265c312f4d4a1e7535b952b611340 [2023-12-02 18:17:19,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:17:19,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:17:19,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:17:19,197 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:17:19,198 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:17:19,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-46.i [2023-12-02 18:17:22,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:17:22,296 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:17:22,297 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-46.i [2023-12-02 18:17:22,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/data/cb7c2ea69/e1e923495e0c45748e52ef4ec758dca4/FLAG2efe91d44 [2023-12-02 18:17:22,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/data/cb7c2ea69/e1e923495e0c45748e52ef4ec758dca4 [2023-12-02 18:17:22,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:17:22,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:17:22,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:17:22,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:17:22,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:17:22,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:22" (1/1) ... [2023-12-02 18:17:22,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c058bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22, skipping insertion in model container [2023-12-02 18:17:22,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:22" (1/1) ... [2023-12-02 18:17:22,383 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:17:22,556 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-46.i[919,932] [2023-12-02 18:17:22,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:17:22,673 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:17:22,689 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_bf33cce9-b128-4bb0-901c-9ab7f2eab433/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-46.i[919,932] [2023-12-02 18:17:22,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:17:22,754 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:17:22,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22 WrapperNode [2023-12-02 18:17:22,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:17:22,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:17:22,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:17:22,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:17:22,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22" (1/1) ... [2023-12-02 18:17:22,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22" (1/1) ... [2023-12-02 18:17:22,839 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2023-12-02 18:17:22,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:17:22,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:17:22,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:17:22,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:17:22,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22" (1/1) ... [2023-12-02 18:17:22,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22" (1/1) ... [2023-12-02 18:17:22,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22" (1/1) ... [2023-12-02 18:17:22,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22" (1/1) ... [2023-12-02 18:17:22,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22" (1/1) ... [2023-12-02 18:17:22,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22" (1/1) ... [2023-12-02 18:17:22,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22" (1/1) ... [2023-12-02 18:17:22,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22" (1/1) ... [2023-12-02 18:17:22,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:17:22,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:17:22,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:17:22,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:17:22,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22" (1/1) ... [2023-12-02 18:17:22,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:17:22,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:17:22,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:17:22,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:17:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:17:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:17:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:17:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:17:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:17:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:17:23,115 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:17:23,118 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:17:23,595 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:17:23,925 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:17:23,925 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:17:23,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:23 BoogieIcfgContainer [2023-12-02 18:17:23,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:17:23,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:17:23,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:17:23,933 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:17:23,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:17:22" (1/3) ... [2023-12-02 18:17:23,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198c9d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:23, skipping insertion in model container [2023-12-02 18:17:23,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:22" (2/3) ... [2023-12-02 18:17:23,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198c9d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:23, skipping insertion in model container [2023-12-02 18:17:23,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:23" (3/3) ... [2023-12-02 18:17:23,936 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-46.i [2023-12-02 18:17:23,954 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:17:23,955 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:17:24,002 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:17:24,009 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;@5631138f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:17:24,009 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:17:24,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 18:17:24,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-02 18:17:24,025 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:17:24,026 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:17:24,027 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:17:24,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:17:24,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1295190835, now seen corresponding path program 1 times [2023-12-02 18:17:24,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:17:24,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384306391] [2023-12-02 18:17:24,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:24,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:17:24,198 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:17:24,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1739019753] [2023-12-02 18:17:24,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:24,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:17:24,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:17:24,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:17:24,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:17:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:17:24,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:17:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:17:24,976 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:17:24,979 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:17:24,980 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:17:24,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:17:25,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:17:25,189 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:17:25,193 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:17:25,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:17:25 BoogieIcfgContainer [2023-12-02 18:17:25,327 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:17:25,328 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:17:25,328 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:17:25,328 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:17:25,329 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:23" (3/4) ... [2023-12-02 18:17:25,331 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:17:25,332 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:17:25,334 INFO L158 Benchmark]: Toolchain (without parser) took 3003.24ms. Allocated memory was 165.7MB in the beginning and 207.6MB in the end (delta: 41.9MB). Free memory was 127.2MB in the beginning and 152.1MB in the end (delta: -24.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-12-02 18:17:25,334 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:17:25,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.20ms. Allocated memory is still 165.7MB. Free memory was 127.2MB in the beginning and 111.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 18:17:25,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.91ms. Allocated memory is still 165.7MB. Free memory was 111.0MB in the beginning and 104.2MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 18:17:25,336 INFO L158 Benchmark]: Boogie Preprocessor took 69.45ms. Allocated memory is still 165.7MB. Free memory was 104.2MB in the beginning and 101.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:17:25,337 INFO L158 Benchmark]: RCFGBuilder took 1016.02ms. Allocated memory was 165.7MB in the beginning and 207.6MB in the end (delta: 41.9MB). Free memory was 101.5MB in the beginning and 134.6MB in the end (delta: -33.1MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2023-12-02 18:17:25,338 INFO L158 Benchmark]: TraceAbstraction took 1397.39ms. Allocated memory is still 207.6MB. Free memory was 133.6MB in the beginning and 152.1MB in the end (delta: -18.5MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2023-12-02 18:17:25,338 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 207.6MB. Free memory is still 152.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:17:25,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.20ms. Allocated memory is still 165.7MB. Free memory was 127.2MB in the beginning and 111.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.91ms. Allocated memory is still 165.7MB. Free memory was 111.0MB in the beginning and 104.2MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.45ms. Allocated memory is still 165.7MB. Free memory was 104.2MB in the beginning and 101.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1016.02ms. Allocated memory was 165.7MB in the beginning and 207.6MB in the end (delta: 41.9MB). Free memory was 101.5MB in the beginning and 134.6MB in the end (delta: -33.1MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1397.39ms. Allocated memory is still 207.6MB. Free memory was 133.6MB in the beginning and 152.1MB in the end (delta: -18.5MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 207.6MB. Free memory is still 152.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 156, overapproximation of shiftRight at line 93, overapproximation of bitwiseOr at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 128; [L26] unsigned char var_1_5 = 10; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 52077; [L29] unsigned short int var_1_8 = 47248; [L30] unsigned short int var_1_9 = 50; [L31] float var_1_11 = 63.75; [L32] signed long int var_1_12 = 100000; [L33] unsigned short int var_1_13 = 8; [L34] signed long int var_1_14 = 2; [L35] signed long int var_1_15 = 32; [L36] double var_1_17 = 127.5; [L37] double var_1_18 = 32.75; [L38] signed char var_1_19 = 0; [L39] unsigned long int var_1_20 = 128; [L40] unsigned long int var_1_21 = 32; [L41] unsigned char var_1_23 = 0; [L42] unsigned char var_1_24 = 0; [L43] unsigned char var_1_25 = 0; [L44] unsigned char var_1_26 = 1; [L45] unsigned char var_1_27 = 16; [L46] unsigned char var_1_28 = 128; [L47] signed long int var_1_29 = 5; [L48] unsigned char var_1_31 = 128; [L49] unsigned short int var_1_32 = 0; [L50] signed char var_1_33 = 50; [L51] signed char var_1_34 = 64; [L52] signed char var_1_35 = 1; [L53] signed char var_1_36 = 5; [L54] unsigned short int last_1_var_1_13 = 8; [L55] double last_1_var_1_17 = 127.5; [L199] isInitial = 1 [L200] FCALL initially() [L201] COND TRUE 1 [L202] CALL updateLastVariables() [L191] last_1_var_1_13 = var_1_13 [L192] last_1_var_1_17 = var_1_17 [L202] RET updateLastVariables() [L203] CALL updateVariables() [L136] var_1_2 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L138] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L139] var_1_3 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L141] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L142] var_1_4 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L144] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L145] var_1_5 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L147] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L148] var_1_7 = __VERIFIER_nondet_ushort() [L149] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=47248, var_1_9=50] [L150] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=47248, var_1_9=50] [L151] var_1_8 = __VERIFIER_nondet_ushort() [L152] CALL assume_abort_if_not(var_1_8 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_8 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L153] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L154] var_1_11 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L156] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L157] var_1_14 = __VERIFIER_nondet_long() [L158] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L159] CALL assume_abort_if_not(var_1_14 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_14 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L160] var_1_15 = __VERIFIER_nondet_long() [L161] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L162] CALL assume_abort_if_not(var_1_15 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_15 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L163] var_1_18 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L165] var_1_24 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L167] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L168] var_1_25 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L170] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L171] var_1_26 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L173] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=128, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L174] var_1_28 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L176] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=0, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L177] var_1_32 = __VERIFIER_nondet_ushort() [L178] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L179] CALL assume_abort_if_not(var_1_32 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_32 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=64, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L180] var_1_34 = __VERIFIER_nondet_char() [L181] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=126, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=126, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L182] CALL assume_abort_if_not(var_1_34 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=126, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_34 <= 126) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=126, var_1_35=1, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L183] var_1_35 = __VERIFIER_nondet_char() [L184] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=126, var_1_35=21, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=126, var_1_35=21, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L185] CALL assume_abort_if_not(var_1_35 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=126, var_1_35=21, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_35 <= 63) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=126, var_1_35=21, var_1_36=5, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L186] var_1_36 = __VERIFIER_nondet_char() [L187] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=126, var_1_35=21, var_1_36=22, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=126, var_1_35=21, var_1_36=22, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L188] CALL assume_abort_if_not(var_1_36 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=126, var_1_35=21, var_1_36=22, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_36 <= 63) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_28=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=50, var_1_34=126, var_1_35=21, var_1_36=22, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=10, var_1_7=65533, var_1_8=65534, var_1_9=50] [L203] RET updateVariables() [L204] CALL step() [L59] COND FALSE !(-100000 >= last_1_var_1_13) [L62] COND FALSE !((last_1_var_1_17 / var_1_11) == 999999.6f) [L66] unsigned char stepLocal_0 = var_1_3; [L67] COND TRUE var_1_2 && stepLocal_0 [L68] var_1_1 = (var_1_4 - var_1_5) [L72] COND TRUE var_1_1 <= (var_1_5 * var_1_4) [L73] COND TRUE \read(var_1_2) [L74] var_1_6 = (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5) [L81] var_1_17 = var_1_18 [L82] var_1_19 = 5 [L83] var_1_20 = var_1_15 [L84] COND FALSE !(var_1_1 < var_1_20) [L91] var_1_12 = var_1_6 [L93] EXPR -4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) [L93] EXPR var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) [L93] COND FALSE !((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) [L100] var_1_13 = var_1_1 [L102] var_1_21 = ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) [L103] COND TRUE var_1_12 > var_1_13 [L104] COND TRUE var_1_13 < var_1_12 [L105] var_1_23 = (var_1_24 && var_1_25) [L110] var_1_27 = var_1_28 [L111] COND FALSE !(var_1_6 != (var_1_6 + var_1_28)) [L114] var_1_29 = var_1_6 [L116] COND FALSE !((-25 + (var_1_9 + var_1_9)) <= var_1_9) [L123] COND TRUE var_1_24 || (var_1_25 && var_1_23) [L124] COND TRUE var_1_20 >= var_1_32 [L125] var_1_33 = ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32))) [L204] RET step() [L205] CALL, EXPR property() [L195] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1))) [L195-L196] return ((((((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1)))) && (var_1_17 == ((double) var_1_18))) && (var_1_19 == ((signed char) 5))) && (var_1_20 == ((unsigned long int) var_1_15)) ; [L205] RET, EXPR property() [L205] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=65532, var_1_13=253, var_1_14=1, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=253, var_1_20=2, var_1_21=253, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=65532, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=2, var_1_34=126, var_1_35=21, var_1_36=22, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=65532, var_1_7=65533, var_1_8=65534, var_1_9=50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=65532, var_1_13=253, var_1_14=1, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=253, var_1_20=2, var_1_21=253, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=65532, var_1_2=1, var_1_31=128, var_1_32=2, var_1_33=2, var_1_34=126, var_1_35=21, var_1_36=22, var_1_3=1, var_1_4=254, var_1_5=1, var_1_6=65532, var_1_7=65533, var_1_8=65534, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 35, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 18:17:25,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e919fd22358c90cf1583ef71db0b27d132265c312f4d4a1e7535b952b611340 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:17:27,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:17:27,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:17:27,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:17:27,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:17:27,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:17:27,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:17:27,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:17:27,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:17:27,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:17:27,543 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:17:27,543 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:17:27,544 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:17:27,544 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:17:27,545 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:17:27,545 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:17:27,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:17:27,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:17:27,547 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:17:27,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:17:27,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:17:27,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:17:27,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:17:27,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:17:27,550 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:17:27,550 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:17:27,550 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:17:27,551 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:17:27,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:17:27,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:17:27,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:17:27,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:17:27,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:17:27,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:17:27,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:17:27,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:17:27,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:17:27,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:17:27,554 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:17:27,554 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:17:27,554 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:17:27,555 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:17:27,555 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:17:27,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:17:27,555 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_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e919fd22358c90cf1583ef71db0b27d132265c312f4d4a1e7535b952b611340 [2023-12-02 18:17:27,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:17:27,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:17:27,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:17:27,895 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:17:27,895 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:17:27,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-46.i [2023-12-02 18:17:30,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:17:30,969 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:17:30,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-46.i [2023-12-02 18:17:30,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/data/ad30de735/e62cc1d6ceaa48628622829d3e9caaa6/FLAG07638f772 [2023-12-02 18:17:30,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/data/ad30de735/e62cc1d6ceaa48628622829d3e9caaa6 [2023-12-02 18:17:30,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:17:31,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:17:31,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:17:31,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:17:31,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:17:31,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:30" (1/1) ... [2023-12-02 18:17:31,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2df7a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31, skipping insertion in model container [2023-12-02 18:17:31,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:30" (1/1) ... [2023-12-02 18:17:31,044 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:17:31,177 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_bf33cce9-b128-4bb0-901c-9ab7f2eab433/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-46.i[919,932] [2023-12-02 18:17:31,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:17:31,269 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:17:31,283 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_bf33cce9-b128-4bb0-901c-9ab7f2eab433/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-46.i[919,932] [2023-12-02 18:17:31,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:17:31,378 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:17:31,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31 WrapperNode [2023-12-02 18:17:31,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:17:31,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:17:31,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:17:31,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:17:31,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31" (1/1) ... [2023-12-02 18:17:31,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31" (1/1) ... [2023-12-02 18:17:31,433 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 204 [2023-12-02 18:17:31,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:17:31,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:17:31,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:17:31,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:17:31,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31" (1/1) ... [2023-12-02 18:17:31,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31" (1/1) ... [2023-12-02 18:17:31,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31" (1/1) ... [2023-12-02 18:17:31,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31" (1/1) ... [2023-12-02 18:17:31,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31" (1/1) ... [2023-12-02 18:17:31,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31" (1/1) ... [2023-12-02 18:17:31,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31" (1/1) ... [2023-12-02 18:17:31,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31" (1/1) ... [2023-12-02 18:17:31,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:17:31,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:17:31,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:17:31,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:17:31,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31" (1/1) ... [2023-12-02 18:17:31,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:17:31,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:17:31,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:17:31,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:17:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:17:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:17:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:17:31,606 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:17:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:17:31,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:17:31,699 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:17:31,701 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:17:38,894 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:17:38,940 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:17:38,940 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:17:38,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:38 BoogieIcfgContainer [2023-12-02 18:17:38,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:17:38,943 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:17:38,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:17:38,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:17:38,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:17:30" (1/3) ... [2023-12-02 18:17:38,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c399a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:38, skipping insertion in model container [2023-12-02 18:17:38,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:31" (2/3) ... [2023-12-02 18:17:38,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c399a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:38, skipping insertion in model container [2023-12-02 18:17:38,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:38" (3/3) ... [2023-12-02 18:17:38,950 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-46.i [2023-12-02 18:17:38,969 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:17:38,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:17:39,022 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:17:39,027 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;@5db55e48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:17:39,027 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:17:39,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 50 states have internal predecessors, (71), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 18:17:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-12-02 18:17:39,052 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:17:39,053 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:17:39,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:17:39,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:17:39,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1063069240, now seen corresponding path program 1 times [2023-12-02 18:17:39,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:17:39,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169687372] [2023-12-02 18:17:39,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:39,072 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:17:39,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:17:39,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:17:39,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 18:17:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:17:40,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 18:17:40,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:17:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1124 proven. 0 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked. [2023-12-02 18:17:40,167 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:17:40,168 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:17:40,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169687372] [2023-12-02 18:17:40,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169687372] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:17:40,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:17:40,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:17:40,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581521] [2023-12-02 18:17:40,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:17:40,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:17:40,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:17:40,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:17:40,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:17:40,209 INFO L87 Difference]: Start difference. First operand has 87 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 50 states have internal predecessors, (71), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 18:17:43,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:43,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:17:43,073 INFO L93 Difference]: Finished difference Result 170 states and 313 transitions. [2023-12-02 18:17:43,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:17:43,308 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 212 [2023-12-02 18:17:43,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:17:43,316 INFO L225 Difference]: With dead ends: 170 [2023-12-02 18:17:43,316 INFO L226 Difference]: Without dead ends: 84 [2023-12-02 18:17:43,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:17:43,324 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:17:43,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 18:17:43,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-12-02 18:17:43,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-12-02 18:17:43,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 47 states have internal predecessors, (62), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 18:17:43,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 132 transitions. [2023-12-02 18:17:43,381 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 132 transitions. Word has length 212 [2023-12-02 18:17:43,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:17:43,382 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 132 transitions. [2023-12-02 18:17:43,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 18:17:43,382 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 132 transitions. [2023-12-02 18:17:43,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-02 18:17:43,388 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:17:43,388 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:17:43,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:17:43,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:17:43,589 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:17:43,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:17:43,590 INFO L85 PathProgramCache]: Analyzing trace with hash 281252785, now seen corresponding path program 1 times [2023-12-02 18:17:43,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:17:43,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495476614] [2023-12-02 18:17:43,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:43,592 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:17:43,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:17:43,594 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:17:43,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 18:17:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:17:44,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 18:17:44,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:17:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1092 proven. 33 refuted. 0 times theorem prover too weak. 1255 trivial. 0 not checked. [2023-12-02 18:17:45,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:17:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 69 proven. 33 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 18:17:46,599 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:17:46,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [495476614] [2023-12-02 18:17:46,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [495476614] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:17:46,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [667817681] [2023-12-02 18:17:46,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:46,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:17:46,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:17:46,603 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:17:46,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 18:17:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:17:48,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 18:17:48,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:17:50,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1105 proven. 60 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2023-12-02 18:17:50,203 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:17:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 69 proven. 33 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 18:17:50,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [667817681] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:17:50,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468209440] [2023-12-02 18:17:50,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:50,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:17:50,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:17:50,882 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:17:50,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 18:17:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:17:52,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:17:52,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:17:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1105 proven. 60 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2023-12-02 18:17:53,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:17:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 69 proven. 33 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 18:17:54,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468209440] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:17:54,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 18:17:54,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 9, 6, 9, 6] total 11 [2023-12-02 18:17:54,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584214754] [2023-12-02 18:17:54,310 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 18:17:54,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 18:17:54,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:17:54,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 18:17:54,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-02 18:17:54,315 INFO L87 Difference]: Start difference. First operand 84 states and 132 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 3 states have call successors, (56), 3 states have call predecessors, (56), 6 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2023-12-02 18:17:59,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:01,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:03,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:05,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:07,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:09,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:11,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:13,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:15,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:17,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:19,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:20,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:18:20,663 INFO L93 Difference]: Finished difference Result 270 states and 410 transitions. [2023-12-02 18:18:20,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 18:18:20,664 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 3 states have call successors, (56), 3 states have call predecessors, (56), 6 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 213 [2023-12-02 18:18:20,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:18:20,670 INFO L225 Difference]: With dead ends: 270 [2023-12-02 18:18:20,670 INFO L226 Difference]: Without dead ends: 187 [2023-12-02 18:18:20,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1288 GetRequests, 1262 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2023-12-02 18:18:20,674 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 182 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 130 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2023-12-02 18:18:20,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 384 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 393 Invalid, 11 Unknown, 0 Unchecked, 25.5s Time] [2023-12-02 18:18:20,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-12-02 18:18:20,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 181. [2023-12-02 18:18:20,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 104 states have (on average 1.2788461538461537) internal successors, (133), 104 states have internal predecessors, (133), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-02 18:18:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 273 transitions. [2023-12-02 18:18:20,724 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 273 transitions. Word has length 213 [2023-12-02 18:18:20,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:18:20,725 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 273 transitions. [2023-12-02 18:18:20,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 3 states have call successors, (56), 3 states have call predecessors, (56), 6 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2023-12-02 18:18:20,726 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 273 transitions. [2023-12-02 18:18:20,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-02 18:18:20,730 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:18:20,730 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:18:20,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-02 18:18:20,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 18:18:21,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 18:18:21,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:18:21,336 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:18:21,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:18:21,337 INFO L85 PathProgramCache]: Analyzing trace with hash 281312367, now seen corresponding path program 1 times [2023-12-02 18:18:21,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:18:21,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [904388186] [2023-12-02 18:18:21,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:18:21,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:18:21,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:18:21,340 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:18:21,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 18:20:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:20:46,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:20:46,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:20:59,544 WARN L854 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2023-12-02 18:21:01,674 WARN L876 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from true [2023-12-02 18:22:42,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-12-02 18:22:42,925 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:22:42,925 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:22:42,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [904388186] [2023-12-02 18:22:42,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [904388186] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:22:42,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:22:42,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:22:42,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908994818] [2023-12-02 18:22:42,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:22:42,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:22:42,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:22:42,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:22:42,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2023-12-02 18:22:42,928 INFO L87 Difference]: Start difference. First operand 181 states and 273 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 18:22:45,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:48,400 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)))) (and (= c_~var_1_17~0 .cse0) (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) (= c_~last_1_var_1_17~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 18:22:51,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:54,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:56,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:58,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:23:00,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:23:02,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:23:05,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:23:07,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:23:10,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:23:12,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:23:12,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:23:12,221 INFO L93 Difference]: Finished difference Result 301 states and 452 transitions. [2023-12-02 18:23:12,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:23:12,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 213 [2023-12-02 18:23:12,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:23:12,457 INFO L225 Difference]: With dead ends: 301 [2023-12-02 18:23:12,457 INFO L226 Difference]: Without dead ends: 299 [2023-12-02 18:23:12,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=13, Invalid=12, Unknown=3, NotChecked=14, Total=42 [2023-12-02 18:23:12,459 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 70 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 71 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 340 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:23:12,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 435 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 14 Invalid, 11 Unknown, 340 Unchecked, 26.7s Time] [2023-12-02 18:23:12,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-12-02 18:23:12,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 264. [2023-12-02 18:23:12,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 149 states have (on average 1.2483221476510067) internal successors, (186), 149 states have internal predecessors, (186), 105 states have call successors, (105), 9 states have call predecessors, (105), 9 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2023-12-02 18:23:12,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 396 transitions. [2023-12-02 18:23:12,512 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 396 transitions. Word has length 213 [2023-12-02 18:23:12,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:23:12,513 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 396 transitions. [2023-12-02 18:23:12,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 18:23:12,514 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 396 transitions. [2023-12-02 18:23:12,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-02 18:23:12,517 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:23:12,517 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:23:12,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 18:23:12,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:23:12,719 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:23:12,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:23:12,720 INFO L85 PathProgramCache]: Analyzing trace with hash 273626289, now seen corresponding path program 1 times [2023-12-02 18:23:12,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:23:12,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844795655] [2023-12-02 18:23:12,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:23:12,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:23:12,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:23:12,721 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:23:12,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 18:25:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:25:23,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:25:23,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:25:36,801 WARN L854 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2023-12-02 18:25:38,933 WARN L876 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from true [2023-12-02 18:27:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-12-02 18:27:18,991 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:27:18,991 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:27:18,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844795655] [2023-12-02 18:27:18,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1844795655] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:27:18,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:27:18,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:27:18,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969487433] [2023-12-02 18:27:18,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:27:18,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:27:18,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:27:18,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:27:18,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2023-12-02 18:27:18,993 INFO L87 Difference]: Start difference. First operand 264 states and 396 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 18:27:22,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:27:24,524 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)))) (and (= c_~var_1_17~0 .cse0) (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) (= c_~last_1_var_1_17~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 18:27:26,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:27:29,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:27:31,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:27:33,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:27:35,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:27:37,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:27:41,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:27:43,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:27:46,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:27:48,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:27:48,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:27:48,107 INFO L93 Difference]: Finished difference Result 304 states and 456 transitions. [2023-12-02 18:27:48,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:27:48,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 213 [2023-12-02 18:27:48,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:27:48,353 INFO L225 Difference]: With dead ends: 304 [2023-12-02 18:27:48,353 INFO L226 Difference]: Without dead ends: 302 [2023-12-02 18:27:48,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=13, Invalid=12, Unknown=3, NotChecked=14, Total=42 [2023-12-02 18:27:48,354 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 70 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 71 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 344 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:27:48,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 434 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 15 Invalid, 10 Unknown, 344 Unchecked, 26.6s Time] [2023-12-02 18:27:48,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-12-02 18:27:48,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 265. [2023-12-02 18:27:48,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 150 states have (on average 1.2533333333333334) internal successors, (188), 150 states have internal predecessors, (188), 105 states have call successors, (105), 9 states have call predecessors, (105), 9 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2023-12-02 18:27:48,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 398 transitions. [2023-12-02 18:27:48,394 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 398 transitions. Word has length 213 [2023-12-02 18:27:48,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:27:48,395 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 398 transitions. [2023-12-02 18:27:48,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 18:27:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 398 transitions. [2023-12-02 18:27:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-02 18:27:48,398 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:27:48,398 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:27:48,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-02 18:27:48,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:27:48,599 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:27:48,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:27:48,599 INFO L85 PathProgramCache]: Analyzing trace with hash 273685871, now seen corresponding path program 1 times [2023-12-02 18:27:48,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:27:48,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1080742541] [2023-12-02 18:27:48,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:27:48,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:27:48,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:27:48,601 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:27:48,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf33cce9-b128-4bb0-901c-9ab7f2eab433/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 18:30:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:30:45,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:30:45,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:30:59,058 WARN L854 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2023-12-02 18:31:01,203 WARN L876 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from true