./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:21:26,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:21:26,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:21:26,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:21:26,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:21:26,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:21:26,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:21:26,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:21:26,902 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:21:26,902 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:21:26,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:21:26,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:21:26,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:21:26,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:21:26,906 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:21:26,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:21:26,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:21:26,908 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:21:26,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:21:26,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:21:26,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:21:26,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:21:26,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:21:26,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:21:26,917 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:21:26,917 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:21:26,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:21:26,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:21:26,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:21:26,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:21:26,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:21:26,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:21:26,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:21:26,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:21:26,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:21:26,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:21:26,924 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:21:26,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:21:26,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:21:26,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:21:26,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:21:26,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:21:26,927 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c [2024-11-08 19:21:27,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:21:27,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:21:27,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:21:27,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:21:27,383 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:21:27,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i Unable to find full path for "g++" [2024-11-08 19:21:30,019 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:21:30,360 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:21:30,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i [2024-11-08 19:21:30,372 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/data/3b23b2c2c/0bca74fdf99d448aacb18fda1589d5c3/FLAG2f1607b4c [2024-11-08 19:21:30,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/data/3b23b2c2c/0bca74fdf99d448aacb18fda1589d5c3 [2024-11-08 19:21:30,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:21:30,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:21:30,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:21:30,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:21:30,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:21:30,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:21:30" (1/1) ... [2024-11-08 19:21:30,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3949c51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:30, skipping insertion in model container [2024-11-08 19:21:30,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:21:30" (1/1) ... [2024-11-08 19:21:30,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:21:30,936 WARN L250 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_ed69242d-e5a6-4a79-a957-14d6786858d4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i[916,929] [2024-11-08 19:21:31,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:21:31,051 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:21:31,069 WARN L250 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_ed69242d-e5a6-4a79-a957-14d6786858d4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i[916,929] [2024-11-08 19:21:31,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:21:31,151 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:21:31,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31 WrapperNode [2024-11-08 19:21:31,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:21:31,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:21:31,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:21:31,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:21:31,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31" (1/1) ... [2024-11-08 19:21:31,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31" (1/1) ... [2024-11-08 19:21:31,248 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2024-11-08 19:21:31,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:21:31,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:21:31,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:21:31,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:21:31,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31" (1/1) ... [2024-11-08 19:21:31,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31" (1/1) ... [2024-11-08 19:21:31,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31" (1/1) ... [2024-11-08 19:21:31,306 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:21:31,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31" (1/1) ... [2024-11-08 19:21:31,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31" (1/1) ... [2024-11-08 19:21:31,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31" (1/1) ... [2024-11-08 19:21:31,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31" (1/1) ... [2024-11-08 19:21:31,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31" (1/1) ... [2024-11-08 19:21:31,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31" (1/1) ... [2024-11-08 19:21:31,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:21:31,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:21:31,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:21:31,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:21:31,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31" (1/1) ... [2024-11-08 19:21:31,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:21:31,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:21:31,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:21:31,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:21:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:21:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:21:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:21:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:21:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:21:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:21:31,555 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:21:31,558 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:21:32,050 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 19:21:32,050 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:21:32,078 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:21:32,079 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:21:32,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:21:32 BoogieIcfgContainer [2024-11-08 19:21:32,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:21:32,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:21:32,086 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:21:32,091 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:21:32,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:21:30" (1/3) ... [2024-11-08 19:21:32,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9cab09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:21:32, skipping insertion in model container [2024-11-08 19:21:32,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:31" (2/3) ... [2024-11-08 19:21:32,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9cab09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:21:32, skipping insertion in model container [2024-11-08 19:21:32,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:21:32" (3/3) ... [2024-11-08 19:21:32,100 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-52.i [2024-11-08 19:21:32,126 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:21:32,127 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:21:32,245 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:21:32,256 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@dd03351, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:21:32,257 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:21:32,263 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 19:21:32,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 19:21:32,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:21:32,288 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:32,289 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:21:32,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:32,300 INFO L85 PathProgramCache]: Analyzing trace with hash 265569005, now seen corresponding path program 1 times [2024-11-08 19:21:32,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:21:32,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196200327] [2024-11-08 19:21:32,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:32,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:21:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:21:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:21:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:21:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:21:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:21:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:21:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:21:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:21:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:21:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:21:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:21:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:21:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:21:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:21:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:33,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 19:21:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:33,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:21:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:33,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 19:21:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:33,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:21:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 19:21:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:33,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:21:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:33,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 19:21:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:33,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:21:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:33,084 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-08 19:21:33,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:21:33,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196200327] [2024-11-08 19:21:33,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196200327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:21:33,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:21:33,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:21:33,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090189129] [2024-11-08 19:21:33,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:21:33,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:21:33,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:21:33,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:21:33,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:21:33,145 INFO L87 Difference]: Start difference. First operand has 67 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-08 19:21:33,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:21:33,207 INFO L93 Difference]: Finished difference Result 127 states and 218 transitions. [2024-11-08 19:21:33,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:21:33,210 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2024-11-08 19:21:33,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:21:33,224 INFO L225 Difference]: With dead ends: 127 [2024-11-08 19:21:33,224 INFO L226 Difference]: Without dead ends: 63 [2024-11-08 19:21:33,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:21:33,239 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:21:33,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:21:33,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-08 19:21:33,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-08 19:21:33,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 19:21:33,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 94 transitions. [2024-11-08 19:21:33,331 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 94 transitions. Word has length 136 [2024-11-08 19:21:33,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:21:33,332 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 94 transitions. [2024-11-08 19:21:33,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-08 19:21:33,333 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2024-11-08 19:21:33,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 19:21:33,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:21:33,350 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:33,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:21:33,356 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:21:33,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:33,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1555837357, now seen corresponding path program 1 times [2024-11-08 19:21:33,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:21:33,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296167713] [2024-11-08 19:21:33,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:33,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:21:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:21:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:21:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:21:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:21:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:21:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:21:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:21:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:21:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:21:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:21:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:21:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:21:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:21:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:21:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 19:21:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:21:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 19:21:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:21:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 19:21:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:21:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 19:21:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:21:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-08 19:21:34,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:21:34,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296167713] [2024-11-08 19:21:34,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296167713] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:21:34,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694487284] [2024-11-08 19:21:34,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:34,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:21:34,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:21:34,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:21:34,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:21:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:34,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:21:34,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:21:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 393 proven. 45 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-08 19:21:35,390 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:21:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-08 19:21:35,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694487284] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:21:35,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:21:35,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-08 19:21:35,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576386464] [2024-11-08 19:21:35,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:21:35,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:21:35,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:21:35,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:21:35,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:21:35,742 INFO L87 Difference]: Start difference. First operand 63 states and 94 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-08 19:21:36,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:21:36,152 INFO L93 Difference]: Finished difference Result 142 states and 209 transitions. [2024-11-08 19:21:36,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:21:36,156 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 136 [2024-11-08 19:21:36,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:21:36,159 INFO L225 Difference]: With dead ends: 142 [2024-11-08 19:21:36,159 INFO L226 Difference]: Without dead ends: 82 [2024-11-08 19:21:36,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 312 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:21:36,165 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 74 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:21:36,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 174 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:21:36,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-08 19:21:36,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 77. [2024-11-08 19:21:36,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 47 states have internal predecessors, (56), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 19:21:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 112 transitions. [2024-11-08 19:21:36,208 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 112 transitions. Word has length 136 [2024-11-08 19:21:36,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:21:36,214 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 112 transitions. [2024-11-08 19:21:36,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-08 19:21:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2024-11-08 19:21:36,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 19:21:36,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:21:36,221 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:36,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:21:36,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:21:36,425 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:21:36,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:36,426 INFO L85 PathProgramCache]: Analyzing trace with hash 875778987, now seen corresponding path program 1 times [2024-11-08 19:21:36,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:21:36,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95814513] [2024-11-08 19:21:36,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:36,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:21:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:21:36,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:21:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:21:36,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:21:36,743 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:21:36,744 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:21:36,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:21:36,753 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 19:21:36,874 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:21:36,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:21:36 BoogieIcfgContainer [2024-11-08 19:21:36,878 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:21:36,879 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:21:36,879 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:21:36,880 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:21:36,880 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:21:32" (3/4) ... [2024-11-08 19:21:36,885 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:21:36,890 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:21:36,894 INFO L158 Benchmark]: Toolchain (without parser) took 6270.82ms. Allocated memory was 157.3MB in the beginning and 190.8MB in the end (delta: 33.6MB). Free memory was 124.6MB in the beginning and 67.5MB in the end (delta: 57.2MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. [2024-11-08 19:21:36,894 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:21:36,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.84ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 109.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:21:36,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.70ms. Allocated memory is still 157.3MB. Free memory was 109.8MB in the beginning and 107.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:21:36,900 INFO L158 Benchmark]: Boogie Preprocessor took 72.55ms. Allocated memory is still 157.3MB. Free memory was 107.4MB in the beginning and 104.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:21:36,901 INFO L158 Benchmark]: RCFGBuilder took 750.49ms. Allocated memory is still 157.3MB. Free memory was 104.7MB in the beginning and 87.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:21:36,902 INFO L158 Benchmark]: TraceAbstraction took 4792.88ms. Allocated memory was 157.3MB in the beginning and 190.8MB in the end (delta: 33.6MB). Free memory was 86.4MB in the beginning and 68.5MB in the end (delta: 17.9MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2024-11-08 19:21:36,902 INFO L158 Benchmark]: Witness Printer took 13.76ms. Allocated memory is still 190.8MB. Free memory was 68.5MB in the beginning and 67.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:21:36,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.84ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 109.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.70ms. Allocated memory is still 157.3MB. Free memory was 109.8MB in the beginning and 107.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.55ms. Allocated memory is still 157.3MB. Free memory was 107.4MB in the beginning and 104.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 750.49ms. Allocated memory is still 157.3MB. Free memory was 104.7MB in the beginning and 87.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4792.88ms. Allocated memory was 157.3MB in the beginning and 190.8MB in the end (delta: 33.6MB). Free memory was 86.4MB in the beginning and 68.5MB in the end (delta: 17.9MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * Witness Printer took 13.76ms. Allocated memory is still 190.8MB. Free memory was 68.5MB in the beginning and 67.5MB in the end (delta: 1.0MB). 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 someBinaryDOUBLEComparisonOperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] signed short int var_1_3 = 32; [L24] signed short int var_1_4 = -1; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] signed long int var_1_10 = 25; [L31] signed long int var_1_11 = 256; [L32] signed long int var_1_12 = 0; [L33] signed long int var_1_13 = 31; [L34] signed long int var_1_14 = 256; [L35] unsigned long int var_1_15 = 8; [L36] unsigned char var_1_16 = 16; VAL [isInitial=0, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=32, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L65] var_1_3 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L67] CALL assume_abort_if_not(var_1_3 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L67] RET assume_abort_if_not(var_1_3 <= 32766) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L68] var_1_4 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L69] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L70] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L71] var_1_6 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L72] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L73] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L74] var_1_7 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L75] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L76] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L77] var_1_8 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L78] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L79] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L81] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L82] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L82] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L83] var_1_11 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L84] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L85] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L85] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L86] var_1_12 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L87] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L88] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L88] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L89] var_1_13 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L91] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L91] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L92] var_1_14 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L94] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L94] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L95] var_1_16 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L96] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L97] CALL assume_abort_if_not(var_1_16 <= 30) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L97] RET assume_abort_if_not(var_1_16 <= 30) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L110] RET updateVariables() [L111] CALL step() [L40] signed short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=11, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L41] COND FALSE !(stepLocal_0 > ((var_1_4 / -256) * 32)) [L48] var_1_5 = var_1_9 VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L50] COND TRUE \read(var_1_7) [L51] var_1_10 = (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))) VAL [isInitial=1, var_1_10=-2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L53] COND TRUE var_1_10 < 63.75 [L54] var_1_1 = (10 - var_1_3) VAL [isInitial=1, var_1_10=-2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-1, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L58] COND FALSE !(! (var_1_13 < (127.125 / var_1_12))) VAL [isInitial=1, var_1_10=-2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-1, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L111] RET step() [L112] CALL, EXPR property() [L102] EXPR ((((var_1_10 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_3))) : (var_1_1 == ((signed short int) (4 + var_1_4)))) && ((var_1_3 > ((var_1_4 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && var_1_8)))) : (var_1_5 == ((unsigned char) var_1_8))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_7 ? (var_1_10 == ((signed long int) (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))))) : 1)) && ((! (var_1_13 < (127.125 / var_1_12))) ? ((var_1_1 <= ((var_1_4 * var_1_3) + (-2 << var_1_16))) ? (var_1_15 == ((unsigned long int) var_1_3)) : 1) : 1) VAL [isInitial=1, var_1_10=-2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-1, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L102-L103] return ((((var_1_10 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_3))) : (var_1_1 == ((signed short int) (4 + var_1_4)))) && ((var_1_3 > ((var_1_4 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && var_1_8)))) : (var_1_5 == ((unsigned char) var_1_8))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_7 ? (var_1_10 == ((signed long int) (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))))) : 1)) && ((! (var_1_13 < (127.125 / var_1_12))) ? ((var_1_1 <= ((var_1_4 * var_1_3) + (-2 << var_1_16))) ? (var_1_15 == ((unsigned long int) var_1_3)) : 1) : 1) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-1, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L19] reach_error() VAL [isInitial=1, var_1_10=-2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-1, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 3, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 268 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 166 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 174 mSDtfsCounter, 166 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 390 GetRequests, 380 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 544 NumberOfCodeBlocks, 544 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 540 ConstructedInterpolants, 0 QuantifiedInterpolants, 1126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 298 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 3561/3696 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 [2024-11-08 19:21:36,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:21:39,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:21:39,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:21:39,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:21:40,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:21:40,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:21:40,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:21:40,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:21:40,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:21:40,050 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:21:40,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:21:40,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:21:40,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:21:40,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:21:40,054 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:21:40,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:21:40,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:21:40,058 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:21:40,059 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:21:40,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:21:40,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:21:40,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:21:40,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:21:40,064 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:21:40,064 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:21:40,065 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:21:40,065 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:21:40,066 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:21:40,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:21:40,067 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:21:40,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:21:40,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:21:40,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:21:40,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:21:40,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:21:40,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:21:40,070 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:21:40,070 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:21:40,071 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:21:40,071 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:21:40,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:21:40,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:21:40,072 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:21:40,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:21:40,073 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c [2024-11-08 19:21:40,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:21:40,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:21:40,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:21:40,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:21:40,606 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:21:40,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i Unable to find full path for "g++" [2024-11-08 19:21:42,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:21:43,329 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:21:43,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i [2024-11-08 19:21:43,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/data/c05817559/ce33c26fb23d40d58e501f4dc48b53a3/FLAG2696a066b [2024-11-08 19:21:43,578 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/data/c05817559/ce33c26fb23d40d58e501f4dc48b53a3 [2024-11-08 19:21:43,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:21:43,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:21:43,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:21:43,585 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:21:43,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:21:43,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:21:43" (1/1) ... [2024-11-08 19:21:43,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f0f7648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:43, skipping insertion in model container [2024-11-08 19:21:43,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:21:43" (1/1) ... [2024-11-08 19:21:43,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:21:43,893 WARN L250 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_ed69242d-e5a6-4a79-a957-14d6786858d4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i[916,929] [2024-11-08 19:21:43,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:21:44,000 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:21:44,019 WARN L250 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_ed69242d-e5a6-4a79-a957-14d6786858d4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i[916,929] [2024-11-08 19:21:44,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:21:44,144 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:21:44,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44 WrapperNode [2024-11-08 19:21:44,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:21:44,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:21:44,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:21:44,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:21:44,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44" (1/1) ... [2024-11-08 19:21:44,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44" (1/1) ... [2024-11-08 19:21:44,260 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-08 19:21:44,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:21:44,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:21:44,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:21:44,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:21:44,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44" (1/1) ... [2024-11-08 19:21:44,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44" (1/1) ... [2024-11-08 19:21:44,283 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44" (1/1) ... [2024-11-08 19:21:44,306 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:21:44,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44" (1/1) ... [2024-11-08 19:21:44,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44" (1/1) ... [2024-11-08 19:21:44,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44" (1/1) ... [2024-11-08 19:21:44,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44" (1/1) ... [2024-11-08 19:21:44,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44" (1/1) ... [2024-11-08 19:21:44,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44" (1/1) ... [2024-11-08 19:21:44,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:21:44,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:21:44,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:21:44,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:21:44,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44" (1/1) ... [2024-11-08 19:21:44,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:21:44,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:21:44,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:21:44,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:21:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:21:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:21:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:21:44,440 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:21:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:21:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:21:44,540 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:21:44,542 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:21:57,700 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 19:21:57,701 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:21:57,722 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:21:57,723 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:21:57,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:21:57 BoogieIcfgContainer [2024-11-08 19:21:57,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:21:57,728 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:21:57,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:21:57,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:21:57,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:21:43" (1/3) ... [2024-11-08 19:21:57,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a004f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:21:57, skipping insertion in model container [2024-11-08 19:21:57,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:44" (2/3) ... [2024-11-08 19:21:57,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a004f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:21:57, skipping insertion in model container [2024-11-08 19:21:57,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:21:57" (3/3) ... [2024-11-08 19:21:57,738 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-52.i [2024-11-08 19:21:57,759 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:21:57,759 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:21:57,830 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:21:57,838 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@75129441, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:21:57,838 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:21:57,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 19:21:57,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 19:21:57,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:21:57,867 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:57,868 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:21:57,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:57,875 INFO L85 PathProgramCache]: Analyzing trace with hash 63965426, now seen corresponding path program 1 times [2024-11-08 19:21:57,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:21:57,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46044094] [2024-11-08 19:21:57,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:57,896 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 [2024-11-08 19:21:57,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:21:57,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:21:57,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:21:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:58,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:21:58,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:21:58,826 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-08 19:21:58,827 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:21:58,828 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:21:58,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46044094] [2024-11-08 19:21:58,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46044094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:21:58,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:21:58,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:21:58,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772579865] [2024-11-08 19:21:58,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:21:58,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:21:58,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:21:58,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:21:58,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:21:58,866 INFO L87 Difference]: Start difference. First operand has 58 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-08 19:21:58,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:21:58,904 INFO L93 Difference]: Finished difference Result 109 states and 192 transitions. [2024-11-08 19:21:58,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:21:58,906 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2024-11-08 19:21:58,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:21:58,915 INFO L225 Difference]: With dead ends: 109 [2024-11-08 19:21:58,915 INFO L226 Difference]: Without dead ends: 54 [2024-11-08 19:21:58,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:21:58,924 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:21:58,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:21:58,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-08 19:21:58,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-08 19:21:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 19:21:58,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 81 transitions. [2024-11-08 19:21:58,997 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 81 transitions. Word has length 134 [2024-11-08 19:21:58,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:21:58,997 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 81 transitions. [2024-11-08 19:21:58,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-08 19:21:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2024-11-08 19:21:59,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 19:21:59,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:21:59,004 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:59,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 19:21:59,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:21:59,206 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:21:59,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:59,207 INFO L85 PathProgramCache]: Analyzing trace with hash -479942734, now seen corresponding path program 1 times [2024-11-08 19:21:59,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:21:59,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1921585795] [2024-11-08 19:21:59,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:59,208 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 [2024-11-08 19:21:59,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:21:59,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:21:59,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:21:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:59,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:21:59,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:01,771 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 393 proven. 45 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-08 19:22:01,771 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:22:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-08 19:22:03,499 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:03,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1921585795] [2024-11-08 19:22:03,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1921585795] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:22:03,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:22:03,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-08 19:22:03,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330841773] [2024-11-08 19:22:03,501 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:22:03,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:22:03,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:03,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:22:03,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:22:03,506 INFO L87 Difference]: Start difference. First operand 54 states and 81 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-08 19:22:09,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:22:13,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:22:17,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:22:17,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:17,452 INFO L93 Difference]: Finished difference Result 124 states and 183 transitions. [2024-11-08 19:22:17,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:22:17,453 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 134 [2024-11-08 19:22:17,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:17,456 INFO L225 Difference]: With dead ends: 124 [2024-11-08 19:22:17,457 INFO L226 Difference]: Without dead ends: 73 [2024-11-08 19:22:17,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 260 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:22:17,461 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 28 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:17,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 150 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 167 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2024-11-08 19:22:17,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-08 19:22:17,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 68. [2024-11-08 19:22:17,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 37 states have (on average 1.162162162162162) internal successors, (43), 38 states have internal predecessors, (43), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 19:22:17,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2024-11-08 19:22:17,484 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 134 [2024-11-08 19:22:17,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:17,485 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2024-11-08 19:22:17,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-08 19:22:17,486 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2024-11-08 19:22:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 19:22:17,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:17,489 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:17,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:22:17,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:22:17,690 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:17,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:17,691 INFO L85 PathProgramCache]: Analyzing trace with hash 2040017200, now seen corresponding path program 1 times [2024-11-08 19:22:17,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:17,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979991385] [2024-11-08 19:22:17,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:17,693 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 [2024-11-08 19:22:17,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:22:17,696 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:22:17,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed69242d-e5a6-4a79-a957-14d6786858d4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 19:22:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:18,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 19:22:18,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:39,546 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:22:47,867 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:22:56,186 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:04,538 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:12,851 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:21,188 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:29,513 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:37,848 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:46,052 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:54,383 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:58,469 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) c_~var_1_3~0))) (and (fp.lt ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_10~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 4.0))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd (_ bv10 32) (bvneg .cse0)))) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1017.0 8.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0))) (bvsge .cse0 (_ bv0 32)) (= c_~var_1_5~0 c_~var_1_9~0) (not (bvsgt .cse0 (bvmul (_ bv32 32) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4294967040 32))))) (let ((.cse1 (bvadd c_~var_1_12~0 (bvneg c_~var_1_13~0)))) (let ((.cse2 (bvsgt .cse1 c_~var_1_14~0))) (or (and (= c_~var_1_10~0 (bvadd c_~var_1_11~0 (bvneg .cse1))) .cse2) (and (= c_~var_1_10~0 (bvadd c_~var_1_11~0 (bvneg c_~var_1_14~0))) (not .cse2))))))) is different from false [2024-11-08 19:24:02,591 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) c_~var_1_3~0))) (and (fp.lt ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_10~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 4.0))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd (_ bv10 32) (bvneg .cse0)))) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1017.0 8.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0))) (bvsge .cse0 (_ bv0 32)) (= c_~var_1_5~0 c_~var_1_9~0) (not (bvsgt .cse0 (bvmul (_ bv32 32) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4294967040 32))))) (let ((.cse1 (bvadd c_~var_1_12~0 (bvneg c_~var_1_13~0)))) (let ((.cse2 (bvsgt .cse1 c_~var_1_14~0))) (or (and (= c_~var_1_10~0 (bvadd c_~var_1_11~0 (bvneg .cse1))) .cse2) (and (= c_~var_1_10~0 (bvadd c_~var_1_11~0 (bvneg c_~var_1_14~0))) (not .cse2))))))) is different from true