./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.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_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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 cbf547767eb9f5a191cbf3ebcae68e21d8de8443811badb1e6b5020923e86ab6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:53:03,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:53:03,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:53:03,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:53:03,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:53:03,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:53:03,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:53:03,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:53:03,458 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:53:03,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:53:03,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:53:03,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:53:03,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:53:03,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:53:03,462 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:53:03,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:53:03,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:53:03,463 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:53:03,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:53:03,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:53:03,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:53:03,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:53:03,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:53:03,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:53:03,467 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:53:03,468 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:53:03,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:53:03,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:53:03,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:53:03,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:53:03,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:53:03,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:53:03,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:53:03,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:53:03,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:53:03,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:53:03,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:53:03,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:53:03,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:53:03,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:53:03,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:53:03,475 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:53:03,475 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_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbf547767eb9f5a191cbf3ebcae68e21d8de8443811badb1e6b5020923e86ab6 [2024-11-08 18:53:03,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:53:03,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:53:03,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:53:03,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:53:03,877 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:53:03,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i Unable to find full path for "g++" [2024-11-08 18:53:06,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:53:06,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:53:06,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i [2024-11-08 18:53:06,289 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/data/ffd61d7ea/33e658ea06234d78b76450d70ad35960/FLAGa764e4fae [2024-11-08 18:53:06,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/data/ffd61d7ea/33e658ea06234d78b76450d70ad35960 [2024-11-08 18:53:06,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:53:06,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:53:06,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:53:06,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:53:06,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:53:06,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1278e2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06, skipping insertion in model container [2024-11-08 18:53:06,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:53:06,612 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_45096ccc-eef0-46f5-b974-fbbb174b0e2c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i[913,926] [2024-11-08 18:53:06,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:53:06,698 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:53:06,712 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_45096ccc-eef0-46f5-b974-fbbb174b0e2c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i[913,926] [2024-11-08 18:53:06,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:53:06,777 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:53:06,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06 WrapperNode [2024-11-08 18:53:06,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:53:06,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:53:06,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:53:06,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:53:06,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,841 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2024-11-08 18:53:06,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:53:06,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:53:06,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:53:06,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:53:06,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,871 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,904 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 18:53:06,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:53:06,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:53:06,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:53:06,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:53:06,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06" (1/1) ... [2024-11-08 18:53:06,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:53:06,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:53:07,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:53:07,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:53:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:53:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:53:07,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:53:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:53:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:53:07,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:53:07,249 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:53:07,252 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:53:07,708 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 18:53:07,708 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:53:07,724 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:53:07,728 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:53:07,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:53:07 BoogieIcfgContainer [2024-11-08 18:53:07,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:53:07,734 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:53:07,736 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:53:07,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:53:07,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:53:06" (1/3) ... [2024-11-08 18:53:07,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737d7751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:53:07, skipping insertion in model container [2024-11-08 18:53:07,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:06" (2/3) ... [2024-11-08 18:53:07,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737d7751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:53:07, skipping insertion in model container [2024-11-08 18:53:07,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:53:07" (3/3) ... [2024-11-08 18:53:07,746 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-38.i [2024-11-08 18:53:07,772 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:53:07,773 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:53:07,858 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:53:07,866 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;@6a65c3f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:53:07,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:53:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 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 18:53:07,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 18:53:07,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:53:07,890 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, 1, 1, 1, 1, 1] [2024-11-08 18:53:07,890 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:53:07,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:53:07,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1393889769, now seen corresponding path program 1 times [2024-11-08 18:53:07,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:53:07,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666971831] [2024-11-08 18:53:07,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:53:07,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:53:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:53:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:53:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:53:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:53:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:53:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:53:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:53:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:53:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:53:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:53:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:53:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:53:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:53:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:53:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:53:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 18:53:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:53:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:53:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:53:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:53:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:53:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 18:53:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:08,465 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 18:53:08,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:53:08,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666971831] [2024-11-08 18:53:08,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666971831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:53:08,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:53:08,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:53:08,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013081546] [2024-11-08 18:53:08,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:53:08,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:53:08,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:53:08,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:53:08,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:53:08,522 INFO L87 Difference]: Start difference. First operand has 71 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 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 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 18:53:08,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:53:08,560 INFO L93 Difference]: Finished difference Result 135 states and 232 transitions. [2024-11-08 18:53:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:53:08,563 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 141 [2024-11-08 18:53:08,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:53:08,573 INFO L225 Difference]: With dead ends: 135 [2024-11-08 18:53:08,574 INFO L226 Difference]: Without dead ends: 67 [2024-11-08 18:53:08,578 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 18:53:08,583 INFO L432 NwaCegarLoop]: 101 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, 101 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 18:53:08,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:53:08,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-08 18:53:08,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-08 18:53:08,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.3255813953488371) 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 18:53:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2024-11-08 18:53:08,645 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 141 [2024-11-08 18:53:08,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:53:08,646 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2024-11-08 18:53:08,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 18:53:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2024-11-08 18:53:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 18:53:08,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:53:08,651 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, 1, 1, 1, 1, 1] [2024-11-08 18:53:08,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:53:08,652 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:53:08,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:53:08,653 INFO L85 PathProgramCache]: Analyzing trace with hash -229866379, now seen corresponding path program 1 times [2024-11-08 18:53:08,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:53:08,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171436087] [2024-11-08 18:53:08,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:53:08,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:53:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:53:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:53:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:53:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:53:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:53:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:53:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:53:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:53:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:53:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:53:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:53:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:53:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:53:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:53:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:53:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 18:53:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:53:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:53:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:53:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:53:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:53:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 18:53:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:09,838 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 18:53:09,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:53:09,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171436087] [2024-11-08 18:53:09,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171436087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:53:09,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:53:09,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:53:09,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994928463] [2024-11-08 18:53:09,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:53:09,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:53:09,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:53:09,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:53:09,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:53:09,847 INFO L87 Difference]: Start difference. First operand 67 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 18:53:10,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:53:10,366 INFO L93 Difference]: Finished difference Result 254 states and 386 transitions. [2024-11-08 18:53:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:53:10,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 141 [2024-11-08 18:53:10,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:53:10,383 INFO L225 Difference]: With dead ends: 254 [2024-11-08 18:53:10,383 INFO L226 Difference]: Without dead ends: 190 [2024-11-08 18:53:10,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:53:10,386 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 207 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:53:10,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 395 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:53:10,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-08 18:53:10,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 129. [2024-11-08 18:53:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 82 states have (on average 1.329268292682927) internal successors, (109), 82 states have internal predecessors, (109), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 18:53:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 197 transitions. [2024-11-08 18:53:10,447 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 197 transitions. Word has length 141 [2024-11-08 18:53:10,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:53:10,448 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 197 transitions. [2024-11-08 18:53:10,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 18:53:10,449 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 197 transitions. [2024-11-08 18:53:10,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 18:53:10,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:53:10,452 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, 1, 1, 1, 1, 1, 1] [2024-11-08 18:53:10,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:53:10,452 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:53:10,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:53:10,453 INFO L85 PathProgramCache]: Analyzing trace with hash -979748946, now seen corresponding path program 1 times [2024-11-08 18:53:10,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:53:10,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891366046] [2024-11-08 18:53:10,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:53:10,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:53:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:10,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:53:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:10,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:53:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:10,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:53:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:10,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:53:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:10,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:53:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:10,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:53:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:10,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:53:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:10,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:53:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:10,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:53:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:10,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:53:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:10,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:53:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:11,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:53:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:11,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:53:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:11,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:53:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:11,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:53:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:11,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 18:53:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:11,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:53:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:11,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:53:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:11,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:53:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:11,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:53:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:11,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:53:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:11,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 18:53:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:11,109 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 18:53:11,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:53:11,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891366046] [2024-11-08 18:53:11,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891366046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:53:11,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:53:11,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:53:11,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207569950] [2024-11-08 18:53:11,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:53:11,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:53:11,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:53:11,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:53:11,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:53:11,118 INFO L87 Difference]: Start difference. First operand 129 states and 197 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 18:53:11,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:53:11,564 INFO L93 Difference]: Finished difference Result 419 states and 643 transitions. [2024-11-08 18:53:11,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:53:11,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-08 18:53:11,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:53:11,569 INFO L225 Difference]: With dead ends: 419 [2024-11-08 18:53:11,569 INFO L226 Difference]: Without dead ends: 293 [2024-11-08 18:53:11,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:53:11,576 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 96 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:53:11,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 344 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:53:11,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-08 18:53:11,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 255. [2024-11-08 18:53:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 162 states have (on average 1.3333333333333333) internal successors, (216), 162 states have internal predecessors, (216), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 18:53:11,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 392 transitions. [2024-11-08 18:53:11,693 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 392 transitions. Word has length 142 [2024-11-08 18:53:11,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:53:11,694 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 392 transitions. [2024-11-08 18:53:11,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 18:53:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 392 transitions. [2024-11-08 18:53:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 18:53:11,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:53:11,698 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, 1, 1, 1, 1, 1, 1] [2024-11-08 18:53:11,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:53:11,699 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:53:11,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:53:11,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1990866196, now seen corresponding path program 1 times [2024-11-08 18:53:11,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:53:11,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273715979] [2024-11-08 18:53:11,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:53:11,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:53:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:53:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:53:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:53:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:53:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:53:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:53:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:53:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:53:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:53:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:53:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:53:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:53:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:53:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:53:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:53:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 18:53:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:53:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:53:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:53:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:53:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:53:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 18:53:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,292 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 36 proven. 27 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-08 18:53:12,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:53:12,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273715979] [2024-11-08 18:53:12,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273715979] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:53:12,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897327308] [2024-11-08 18:53:12,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:53:12,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:53:12,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:53:12,295 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:53:12,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:53:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:12,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 18:53:12,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:53:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 477 proven. 27 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 18:53:13,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:53:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 36 proven. 27 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-08 18:53:13,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897327308] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:53:13,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:53:13,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 17 [2024-11-08 18:53:13,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997308769] [2024-11-08 18:53:13,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:53:13,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 18:53:13,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:53:13,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 18:53:13,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:53:13,604 INFO L87 Difference]: Start difference. First operand 255 states and 392 transitions. Second operand has 17 states, 16 states have (on average 5.1875) internal successors, (83), 17 states have internal predecessors, (83), 7 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 7 states have call predecessors, (66), 7 states have call successors, (66) [2024-11-08 18:53:14,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:53:14,582 INFO L93 Difference]: Finished difference Result 641 states and 974 transitions. [2024-11-08 18:53:14,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 18:53:14,583 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.1875) internal successors, (83), 17 states have internal predecessors, (83), 7 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 7 states have call predecessors, (66), 7 states have call successors, (66) Word has length 142 [2024-11-08 18:53:14,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:53:14,588 INFO L225 Difference]: With dead ends: 641 [2024-11-08 18:53:14,588 INFO L226 Difference]: Without dead ends: 389 [2024-11-08 18:53:14,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=226, Invalid=530, Unknown=0, NotChecked=0, Total=756 [2024-11-08 18:53:14,591 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 315 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:53:14,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 442 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 18:53:14,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-08 18:53:14,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 289. [2024-11-08 18:53:14,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 194 states have (on average 1.365979381443299) internal successors, (265), 194 states have internal predecessors, (265), 88 states have call successors, (88), 6 states have call predecessors, (88), 6 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 18:53:14,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 441 transitions. [2024-11-08 18:53:14,670 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 441 transitions. Word has length 142 [2024-11-08 18:53:14,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:53:14,671 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 441 transitions. [2024-11-08 18:53:14,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.1875) internal successors, (83), 17 states have internal predecessors, (83), 7 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 7 states have call predecessors, (66), 7 states have call successors, (66) [2024-11-08 18:53:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 441 transitions. [2024-11-08 18:53:14,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 18:53:14,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:53:14,675 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:53:14,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:53:14,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:53:14,876 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:53:14,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:53:14,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1169065839, now seen corresponding path program 1 times [2024-11-08 18:53:14,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:53:14,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302725280] [2024-11-08 18:53:14,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:53:14,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:53:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 18:53:14,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [287866998] [2024-11-08 18:53:14,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:53:14,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:53:14,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:53:14,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:53:14,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:53:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:53:15,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:53:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:53:15,378 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:53:15,378 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:53:15,379 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:53:15,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:53:15,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:53:15,588 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 18:53:15,720 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:53:15,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:53:15 BoogieIcfgContainer [2024-11-08 18:53:15,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:53:15,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:53:15,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:53:15,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:53:15,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:53:07" (3/4) ... [2024-11-08 18:53:15,727 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:53:15,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:53:15,729 INFO L158 Benchmark]: Toolchain (without parser) took 9415.57ms. Allocated memory was 130.0MB in the beginning and 260.0MB in the end (delta: 130.0MB). Free memory was 66.4MB in the beginning and 147.0MB in the end (delta: -80.7MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-11-08 18:53:15,730 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:53:15,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.73ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 66.1MB in the beginning and 135.1MB in the end (delta: -69.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-08 18:53:15,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.90ms. Allocated memory is still 174.1MB. Free memory was 135.1MB in the beginning and 132.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:53:15,731 INFO L158 Benchmark]: Boogie Preprocessor took 104.08ms. Allocated memory is still 174.1MB. Free memory was 132.2MB in the beginning and 129.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:53:15,731 INFO L158 Benchmark]: RCFGBuilder took 781.42ms. Allocated memory is still 174.1MB. Free memory was 129.2MB in the beginning and 124.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:53:15,731 INFO L158 Benchmark]: TraceAbstraction took 7988.81ms. Allocated memory was 174.1MB in the beginning and 260.0MB in the end (delta: 86.0MB). Free memory was 124.6MB in the beginning and 148.1MB in the end (delta: -23.4MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2024-11-08 18:53:15,732 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 260.0MB. Free memory was 148.1MB in the beginning and 147.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:53:15,734 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.73ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 66.1MB in the beginning and 135.1MB in the end (delta: -69.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.90ms. Allocated memory is still 174.1MB. Free memory was 135.1MB in the beginning and 132.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.08ms. Allocated memory is still 174.1MB. Free memory was 132.2MB in the beginning and 129.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 781.42ms. Allocated memory is still 174.1MB. Free memory was 129.2MB in the beginning and 124.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7988.81ms. Allocated memory was 174.1MB in the beginning and 260.0MB in the end (delta: 86.0MB). Free memory was 124.6MB in the beginning and 148.1MB in the end (delta: -23.4MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 260.0MB. Free memory was 148.1MB in the beginning and 147.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 129, overapproximation of shiftRight at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 0; [L26] unsigned short int var_1_8 = 4; [L27] signed long int var_1_11 = 100; [L28] signed long int var_1_12 = 8; [L29] unsigned short int var_1_13 = 128; [L30] double var_1_14 = 64.5; [L31] signed short int var_1_15 = 4; [L32] signed long int var_1_16 = -8; [L33] double var_1_17 = 255.5; [L34] double var_1_18 = 0.6; [L35] double var_1_19 = 1000000000000.5; [L36] double var_1_20 = 999999.25; [L37] signed short int var_1_21 = -64; [L38] signed char var_1_25 = -128; [L39] signed char var_1_26 = -8; [L40] unsigned short int last_1_var_1_8 = 4; [L41] signed short int last_1_var_1_21 = -64; [L42] signed char last_1_var_1_25 = -128; VAL [isInitial=0, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=4] [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] CALL updateLastVariables() [L124] last_1_var_1_8 = var_1_8 [L125] last_1_var_1_21 = var_1_21 [L126] last_1_var_1_25 = var_1_25 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=4] [L136] RET updateLastVariables() [L137] CALL updateVariables() [L88] var_1_4 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L89] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L90] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L90] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L91] var_1_6 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_7=0, var_1_8=4] [L92] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_7=0, var_1_8=4] [L93] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L93] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L94] var_1_11 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L95] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L96] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L96] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L97] var_1_12 = __VERIFIER_nondet_long() [L98] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L98] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L99] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L99] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L100] var_1_13 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L101] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L102] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L102] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L103] var_1_15 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_15 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L104] RET assume_abort_if_not(var_1_15 >= -32768) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L105] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L105] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L106] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L106] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L107] var_1_16 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L108] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L109] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L109] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L110] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L110] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L111] var_1_17 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L112] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L113] var_1_18 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L114] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L115] var_1_19 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L116] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L117] var_1_20 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L118] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L119] var_1_26 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_26 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L120] RET assume_abort_if_not(var_1_26 >= -127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L121] CALL assume_abort_if_not(var_1_26 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L121] RET assume_abort_if_not(var_1_26 <= 126) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L137] RET updateVariables() [L138] CALL step() [L46] EXPR last_1_var_1_8 >> var_1_15 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L46] COND TRUE (last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15) [L47] var_1_21 = (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L51] signed long int stepLocal_1 = ((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12; [L52] signed long int stepLocal_0 = last_1_var_1_21 + last_1_var_1_21; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, stepLocal_1=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L53] COND FALSE !((last_1_var_1_21 * last_1_var_1_21) < stepLocal_1) [L58] var_1_8 = var_1_13 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L60] COND TRUE ! (var_1_21 > var_1_8) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L61] COND TRUE \read(var_1_4) [L62] var_1_25 = var_1_26 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=66, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L65] COND FALSE !((8 / var_1_15) < (64 / var_1_16)) [L72] var_1_14 = var_1_18 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9, var_1_16=66, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L74] COND TRUE (- var_1_14) <= var_1_14 [L75] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9, var_1_16=66, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L83] COND TRUE var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14)))) [L84] var_1_7 = (var_1_1 && (! 1)) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9, var_1_16=66, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L138] RET step() [L139] CALL, EXPR property() [L129] EXPR ((((((- var_1_14) <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_4)) : ((var_1_14 <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_4)))) && ((var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14))))) ? (var_1_7 == ((unsigned char) (var_1_1 && (! 1)))) : 1)) && (((last_1_var_1_21 * last_1_var_1_21) < (((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12)) ? (((last_1_var_1_21 + last_1_var_1_21) < var_1_12) ? (var_1_8 == ((unsigned short int) var_1_13)) : 1) : (var_1_8 == ((unsigned short int) var_1_13)))) && (((8 / var_1_15) < (64 / var_1_16)) ? ((var_1_8 >= var_1_15) ? (var_1_14 == ((double) (var_1_17 - var_1_18))) : (var_1_14 == ((double) (var_1_18 - (64.25 + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))))))) : (var_1_14 == ((double) var_1_18)))) && (((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) ? (var_1_21 == ((signed short int) (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))))) : (var_1_21 == ((signed short int) last_1_var_1_25))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9, var_1_16=66, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L129-L130] return (((((((- var_1_14) <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_4)) : ((var_1_14 <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_4)))) && ((var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14))))) ? (var_1_7 == ((unsigned char) (var_1_1 && (! 1)))) : 1)) && (((last_1_var_1_21 * last_1_var_1_21) < (((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12)) ? (((last_1_var_1_21 + last_1_var_1_21) < var_1_12) ? (var_1_8 == ((unsigned short int) var_1_13)) : 1) : (var_1_8 == ((unsigned short int) var_1_13)))) && (((8 / var_1_15) < (64 / var_1_16)) ? ((var_1_8 >= var_1_15) ? (var_1_14 == ((double) (var_1_17 - var_1_18))) : (var_1_14 == ((double) (var_1_18 - (64.25 + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))))))) : (var_1_14 == ((double) var_1_18)))) && (((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) ? (var_1_21 == ((signed short int) (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))))) : (var_1_21 == ((signed short int) last_1_var_1_25)))) && ((! (var_1_21 > var_1_8)) ? (var_1_4 ? (var_1_25 == ((signed char) var_1_26)) : 1) : 1) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9, var_1_16=66, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9, var_1_16=66, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 637 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 618 mSDsluCounter, 1282 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 878 mSDsCounter, 337 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 664 IncrementalHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 337 mSolverCounterUnsat, 404 mSDtfsCounter, 664 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 516 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=289occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 199 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 994 NumberOfCodeBlocks, 994 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 844 ConstructedInterpolants, 0 QuantifiedInterpolants, 2556 SizeOfPredicates, 2 NumberOfNonLiveVariables, 331 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 5463/5544 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 18:53:15,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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 cbf547767eb9f5a191cbf3ebcae68e21d8de8443811badb1e6b5020923e86ab6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:53:18,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:53:18,278 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 18:53:18,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:53:18,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:53:18,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:53:18,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:53:18,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:53:18,329 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:53:18,329 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:53:18,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:53:18,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:53:18,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:53:18,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:53:18,336 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:53:18,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:53:18,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:53:18,338 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:53:18,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:53:18,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:53:18,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:53:18,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:53:18,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:53:18,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:53:18,343 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:53:18,343 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:53:18,343 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:53:18,344 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:53:18,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:53:18,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:53:18,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:53:18,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:53:18,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:53:18,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:53:18,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:53:18,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:53:18,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:53:18,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:53:18,350 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:53:18,351 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:53:18,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:53:18,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:53:18,352 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:53:18,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:53:18,353 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_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbf547767eb9f5a191cbf3ebcae68e21d8de8443811badb1e6b5020923e86ab6 [2024-11-08 18:53:18,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:53:18,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:53:18,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:53:18,836 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:53:18,836 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:53:18,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i Unable to find full path for "g++" [2024-11-08 18:53:20,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:53:21,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:53:21,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i [2024-11-08 18:53:21,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/data/8bf6f641b/db91468ea93c4fd0a6ef6e4b59e0a8a7/FLAG78e4b4bae [2024-11-08 18:53:21,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/data/8bf6f641b/db91468ea93c4fd0a6ef6e4b59e0a8a7 [2024-11-08 18:53:21,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:53:21,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:53:21,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:53:21,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:53:21,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:53:21,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebeb8c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21, skipping insertion in model container [2024-11-08 18:53:21,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:53:21,455 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_45096ccc-eef0-46f5-b974-fbbb174b0e2c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i[913,926] [2024-11-08 18:53:21,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:53:21,595 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:53:21,614 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_45096ccc-eef0-46f5-b974-fbbb174b0e2c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i[913,926] [2024-11-08 18:53:21,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:53:21,686 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:53:21,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21 WrapperNode [2024-11-08 18:53:21,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:53:21,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:53:21,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:53:21,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:53:21,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,758 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-11-08 18:53:21,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:53:21,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:53:21,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:53:21,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:53:21,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,808 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 18:53:21,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:53:21,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:53:21,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:53:21,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:53:21,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21" (1/1) ... [2024-11-08 18:53:21,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:53:21,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:53:21,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:53:21,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:53:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:53:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:53:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:53:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:53:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:53:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:53:22,049 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:53:22,052 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:53:27,988 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 18:53:27,988 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:53:28,005 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:53:28,005 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:53:28,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:53:28 BoogieIcfgContainer [2024-11-08 18:53:28,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:53:28,008 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:53:28,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:53:28,012 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:53:28,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:53:21" (1/3) ... [2024-11-08 18:53:28,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f289930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:53:28, skipping insertion in model container [2024-11-08 18:53:28,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:21" (2/3) ... [2024-11-08 18:53:28,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f289930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:53:28, skipping insertion in model container [2024-11-08 18:53:28,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:53:28" (3/3) ... [2024-11-08 18:53:28,030 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-38.i [2024-11-08 18:53:28,051 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:53:28,051 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:53:28,116 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:53:28,124 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;@a5523b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:53:28,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:53:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 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 18:53:28,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 18:53:28,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:53:28,146 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, 1, 1] [2024-11-08 18:53:28,148 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:53:28,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:53:28,155 INFO L85 PathProgramCache]: Analyzing trace with hash -44824817, now seen corresponding path program 1 times [2024-11-08 18:53:28,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:53:28,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852884306] [2024-11-08 18:53:28,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:53:28,171 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 18:53:28,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:53:28,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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 18:53:28,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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 18:53:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:28,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:53:28,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:53:28,841 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-08 18:53:28,841 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:53:28,842 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:53:28,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852884306] [2024-11-08 18:53:28,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852884306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:53:28,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:53:28,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:53:28,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449437392] [2024-11-08 18:53:28,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:53:28,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:53:28,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:53:28,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:53:28,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:53:28,886 INFO L87 Difference]: Start difference. First operand has 64 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 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 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 18:53:28,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:53:28,930 INFO L93 Difference]: Finished difference Result 121 states and 212 transitions. [2024-11-08 18:53:28,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:53:28,934 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 138 [2024-11-08 18:53:28,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:53:28,945 INFO L225 Difference]: With dead ends: 121 [2024-11-08 18:53:28,946 INFO L226 Difference]: Without dead ends: 60 [2024-11-08 18:53:28,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 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 18:53:28,955 INFO L432 NwaCegarLoop]: 90 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, 90 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 18:53:28,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:53:28,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-08 18:53:29,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-08 18:53:29,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 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 18:53:29,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 90 transitions. [2024-11-08 18:53:29,018 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 90 transitions. Word has length 138 [2024-11-08 18:53:29,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:53:29,019 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 90 transitions. [2024-11-08 18:53:29,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 18:53:29,021 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2024-11-08 18:53:29,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 18:53:29,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:53:29,027 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, 1, 1] [2024-11-08 18:53:29,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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 18:53:29,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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 18:53:29,228 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:53:29,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:53:29,229 INFO L85 PathProgramCache]: Analyzing trace with hash 140633477, now seen corresponding path program 1 times [2024-11-08 18:53:29,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:53:29,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831712585] [2024-11-08 18:53:29,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:53:29,231 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 18:53:29,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:53:29,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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 18:53:29,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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 18:53:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:29,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:53:29,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:53:31,140 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 18:53:31,140 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:53:31,141 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:53:31,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831712585] [2024-11-08 18:53:31,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1831712585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:53:31,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:53:31,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:53:31,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911186896] [2024-11-08 18:53:31,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:53:31,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:53:31,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:53:31,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:53:31,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:53:31,149 INFO L87 Difference]: Start difference. First operand 60 states and 90 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 18:53:35,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 18:53:39,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 18:53:39,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:53:39,597 INFO L93 Difference]: Finished difference Result 267 states and 404 transitions. [2024-11-08 18:53:39,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:53:39,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2024-11-08 18:53:39,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:53:39,603 INFO L225 Difference]: With dead ends: 267 [2024-11-08 18:53:39,603 INFO L226 Difference]: Without dead ends: 210 [2024-11-08 18:53:39,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:53:39,606 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 151 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:53:39,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 474 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-11-08 18:53:39,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-08 18:53:39,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 115. [2024-11-08 18:53:39,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 68 states have internal predecessors, (87), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 18:53:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 175 transitions. [2024-11-08 18:53:39,657 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 175 transitions. Word has length 138 [2024-11-08 18:53:39,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:53:39,658 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 175 transitions. [2024-11-08 18:53:39,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 18:53:39,659 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 175 transitions. [2024-11-08 18:53:39,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 18:53:39,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:53:39,662 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, 1, 1, 1] [2024-11-08 18:53:39,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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)] Ended with exit code 0 [2024-11-08 18:53:39,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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 18:53:39,863 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:53:39,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:53:39,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1792292195, now seen corresponding path program 1 times [2024-11-08 18:53:39,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:53:39,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095117381] [2024-11-08 18:53:39,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:53:39,865 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 18:53:39,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:53:39,870 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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 18:53:39,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45096ccc-eef0-46f5-b974-fbbb174b0e2c/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 18:53:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:40,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 18:53:40,392 INFO L278 TraceCheckSpWp]: Computing forward predicates...