./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.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_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/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_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/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_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/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 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:14:50,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:14:50,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:14:50,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:14:50,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:14:50,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:14:50,825 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:14:50,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:14:50,826 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:14:50,826 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:14:50,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:14:50,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:14:50,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:14:50,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:14:50,829 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:14:50,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:14:50,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:14:50,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:14:50,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:14:50,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:14:50,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:14:50,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:14:50,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:14:50,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:14:50,837 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:14:50,837 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:14:50,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:14:50,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:14:50,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:14:50,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:14:50,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:14:50,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:14:50,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:14:50,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:14:50,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:14:50,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:14:50,843 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:14:50,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:14:50,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:14:50,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:14:50,844 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:14:50,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:14:50,845 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_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 [2024-11-08 19:14:51,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:14:51,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:14:51,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:14:51,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:14:51,242 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:14:51,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i Unable to find full path for "g++" [2024-11-08 19:14:53,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:14:54,101 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:14:54,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2024-11-08 19:14:54,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/data/6058f1e99/3b1e655cea2543049b5f15d8b5485162/FLAG5cf47858b [2024-11-08 19:14:54,429 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/data/6058f1e99/3b1e655cea2543049b5f15d8b5485162 [2024-11-08 19:14:54,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:14:54,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:14:54,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:14:54,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:14:54,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:14:54,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6163e178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54, skipping insertion in model container [2024-11-08 19:14:54,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:14:54,715 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_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2024-11-08 19:14:54,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:14:54,789 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:14:54,804 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_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2024-11-08 19:14:54,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:14:54,872 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:14:54,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54 WrapperNode [2024-11-08 19:14:54,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:14:54,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:14:54,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:14:54,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:14:54,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,933 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-08 19:14:54,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:14:54,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:14:54,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:14:54,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:14:54,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,954 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,984 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:14:54,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:55,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:55,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:55,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:55,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:55,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:14:55,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:14:55,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:14:55,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:14:55,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:55,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:14:55,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:14:55,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:14:55,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:14:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:14:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:14:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:14:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:14:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:14:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:14:55,272 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:14:55,276 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:14:55,579 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 19:14:55,580 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:14:55,622 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:14:55,622 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:14:55,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:55 BoogieIcfgContainer [2024-11-08 19:14:55,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:14:55,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:14:55,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:14:55,632 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:14:55,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:14:54" (1/3) ... [2024-11-08 19:14:55,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3af4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:14:55, skipping insertion in model container [2024-11-08 19:14:55,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (2/3) ... [2024-11-08 19:14:55,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3af4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:14:55, skipping insertion in model container [2024-11-08 19:14:55,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:55" (3/3) ... [2024-11-08 19:14:55,636 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-53.i [2024-11-08 19:14:55,659 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:14:55,660 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:14:55,742 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:14:55,751 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;@a6b767f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:14:55,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:14:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 19:14:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 19:14:55,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:55,773 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:55,774 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:55,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:55,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1758431116, now seen corresponding path program 1 times [2024-11-08 19:14:55,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:55,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274584638] [2024-11-08 19:14:55,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:55,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:14:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:14:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:14:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:14:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:14:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:14:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:14:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:14:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:14:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:14:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:14:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:14:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:14:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:14:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:14:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:14:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,281 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 19:14:56,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:56,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274584638] [2024-11-08 19:14:56,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274584638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:56,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:56,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:14:56,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412395397] [2024-11-08 19:14:56,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:56,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:14:56,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:56,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:14:56,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:14:56,327 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 19:14:56,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:56,362 INFO L93 Difference]: Finished difference Result 93 states and 154 transitions. [2024-11-08 19:14:56,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:14:56,365 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-08 19:14:56,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:56,375 INFO L225 Difference]: With dead ends: 93 [2024-11-08 19:14:56,376 INFO L226 Difference]: Without dead ends: 46 [2024-11-08 19:14:56,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:14:56,385 INFO L432 NwaCegarLoop]: 65 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, 65 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:56,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:14:56,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-08 19:14:56,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-08 19:14:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 19:14:56,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2024-11-08 19:14:56,442 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 102 [2024-11-08 19:14:56,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:56,443 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2024-11-08 19:14:56,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 19:14:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-08 19:14:56,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 19:14:56,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:56,448 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:56,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:14:56,448 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:56,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:56,450 INFO L85 PathProgramCache]: Analyzing trace with hash 708430996, now seen corresponding path program 1 times [2024-11-08 19:14:56,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:56,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438350732] [2024-11-08 19:14:56,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:56,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:15:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:15:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:15:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:15:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:15:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:15:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:15:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:15:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:15:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:15:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:15:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:15:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:15:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:15:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:15:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:15:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 21 proven. 159 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-08 19:15:01,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:15:01,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438350732] [2024-11-08 19:15:01,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438350732] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:15:01,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949323567] [2024-11-08 19:15:01,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:01,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:15:01,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:15:01,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:15:01,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:15:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:02,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 19:15:02,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:15:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 207 proven. 159 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-08 19:15:10,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:15:27,670 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:16:36,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949323567] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:16:36,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:16:36,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 23] total 30 [2024-11-08 19:16:36,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316798006] [2024-11-08 19:16:36,502 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:16:36,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-08 19:16:36,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:16:36,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-08 19:16:36,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=342, Invalid=1373, Unknown=7, NotChecked=0, Total=1722 [2024-11-08 19:16:36,513 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 30 states, 29 states have (on average 2.103448275862069) internal successors, (61), 27 states have internal predecessors, (61), 11 states have call successors, (30), 7 states have call predecessors, (30), 9 states have return successors, (30), 11 states have call predecessors, (30), 11 states have call successors, (30) [2024-11-08 19:16:39,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:16:39,174 INFO L93 Difference]: Finished difference Result 142 states and 178 transitions. [2024-11-08 19:16:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 19:16:39,175 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.103448275862069) internal successors, (61), 27 states have internal predecessors, (61), 11 states have call successors, (30), 7 states have call predecessors, (30), 9 states have return successors, (30), 11 states have call predecessors, (30), 11 states have call successors, (30) Word has length 102 [2024-11-08 19:16:39,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:16:39,178 INFO L225 Difference]: With dead ends: 142 [2024-11-08 19:16:39,179 INFO L226 Difference]: Without dead ends: 99 [2024-11-08 19:16:39,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 63.9s TimeCoverageRelationStatistics Valid=602, Invalid=2147, Unknown=7, NotChecked=0, Total=2756 [2024-11-08 19:16:39,183 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 110 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:16:39,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 482 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 19:16:39,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-08 19:16:39,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 72. [2024-11-08 19:16:39,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 48 states have internal predecessors, (53), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 19:16:39,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 85 transitions. [2024-11-08 19:16:39,216 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 85 transitions. Word has length 102 [2024-11-08 19:16:39,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:16:39,217 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 85 transitions. [2024-11-08 19:16:39,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.103448275862069) internal successors, (61), 27 states have internal predecessors, (61), 11 states have call successors, (30), 7 states have call predecessors, (30), 9 states have return successors, (30), 11 states have call predecessors, (30), 11 states have call successors, (30) [2024-11-08 19:16:39,218 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2024-11-08 19:16:39,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 19:16:39,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:39,220 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:39,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:16:39,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:16:39,422 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:39,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:39,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1811528938, now seen corresponding path program 1 times [2024-11-08 19:16:39,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:16:39,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255534766] [2024-11-08 19:16:39,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:39,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:16:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:39,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:16:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:39,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:16:39,714 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:16:39,715 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:16:39,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:16:39,723 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 19:16:39,830 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:16:39,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:16:39 BoogieIcfgContainer [2024-11-08 19:16:39,834 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:16:39,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:16:39,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:16:39,835 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:16:39,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:55" (3/4) ... [2024-11-08 19:16:39,839 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:16:39,841 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:16:39,842 INFO L158 Benchmark]: Toolchain (without parser) took 105405.84ms. Allocated memory was 153.1MB in the beginning and 272.6MB in the end (delta: 119.5MB). Free memory was 117.1MB in the beginning and 206.9MB in the end (delta: -89.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-08 19:16:39,843 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory was 75.9MB in the beginning and 75.9MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:16:39,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.53ms. Allocated memory is still 153.1MB. Free memory was 117.1MB in the beginning and 102.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:16:39,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.58ms. Allocated memory is still 153.1MB. Free memory was 102.7MB in the beginning and 100.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:16:39,845 INFO L158 Benchmark]: Boogie Preprocessor took 89.49ms. Allocated memory is still 153.1MB. Free memory was 100.7MB in the beginning and 98.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:16:39,847 INFO L158 Benchmark]: RCFGBuilder took 597.93ms. Allocated memory is still 153.1MB. Free memory was 98.2MB in the beginning and 124.2MB in the end (delta: -26.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-08 19:16:39,847 INFO L158 Benchmark]: TraceAbstraction took 104208.52ms. Allocated memory was 153.1MB in the beginning and 272.6MB in the end (delta: 119.5MB). Free memory was 123.3MB in the beginning and 207.9MB in the end (delta: -84.6MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2024-11-08 19:16:39,848 INFO L158 Benchmark]: Witness Printer took 6.44ms. Allocated memory is still 272.6MB. Free memory was 207.9MB in the beginning and 206.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:16:39,852 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory was 75.9MB in the beginning and 75.9MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.53ms. Allocated memory is still 153.1MB. Free memory was 117.1MB in the beginning and 102.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.58ms. Allocated memory is still 153.1MB. Free memory was 102.7MB in the beginning and 100.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.49ms. Allocated memory is still 153.1MB. Free memory was 100.7MB in the beginning and 98.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.93ms. Allocated memory is still 153.1MB. Free memory was 98.2MB in the beginning and 124.2MB in the end (delta: -26.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * TraceAbstraction took 104208.52ms. Allocated memory was 153.1MB in the beginning and 272.6MB in the end (delta: 119.5MB). Free memory was 123.3MB in the beginning and 207.9MB in the end (delta: -84.6MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 6.44ms. Allocated memory is still 272.6MB. Free memory was 207.9MB in the beginning and 206.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_2 = 500; [L24] unsigned long int var_1_3 = 1456677701; [L25] unsigned long int var_1_4 = 1000000000; [L26] unsigned long int var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_11 = 0; [L31] float var_1_12 = 128.6; [L32] float var_1_13 = 500.4; [L33] float var_1_14 = 8.5; [L34] double var_1_15 = 255.8; [L35] double var_1_16 = 25.75; [L36] float var_1_17 = 1.2; [L37] float var_1_18 = 9.6; VAL [isInitial=0, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=500, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L62] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L62] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L63] var_1_3 = __VERIFIER_nondet_ulong() [L64] CALL assume_abort_if_not(var_1_3 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L64] RET assume_abort_if_not(var_1_3 >= 1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L65] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L65] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L66] var_1_4 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_4 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L67] RET assume_abort_if_not(var_1_4 >= 536870911) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L68] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L68] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L69] var_1_5 = __VERIFIER_nondet_ulong() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L71] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L71] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L72] var_1_7 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_8=0] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_8=0] [L74] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L74] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L75] var_1_11 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L76] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L77] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L77] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L78] var_1_13 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L79] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L80] var_1_14 = __VERIFIER_nondet_float() [L81] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L81] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L82] var_1_16 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L83] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L84] var_1_18 = __VERIFIER_nondet_float() [L85] 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, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L85] 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, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L98] RET updateVariables() [L99] CALL step() [L41] var_1_1 = (var_1_2 + (var_1_3 - (var_1_4 - var_1_5))) [L42] var_1_6 = var_1_7 [L43] var_1_12 = ((2.55f + var_1_13) - var_1_14) [L44] var_1_15 = ((((var_1_13) > (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))) ? (var_1_13) : (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))))) VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L45] COND FALSE !(var_1_2 >= var_1_1) VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L48] unsigned long int stepLocal_0 = (((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)); VAL [isInitial=1, stepLocal_0=4831838207, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L49] COND FALSE !(((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))) != stepLocal_0) [L56] var_1_8 = var_1_11 VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=-255] [L99] RET step() [L100] CALL, EXPR property() [L90-L91] return (((((var_1_1 == ((unsigned long int) (var_1_2 + (var_1_3 - (var_1_4 - var_1_5))))) && (var_1_6 == ((unsigned char) var_1_7))) && ((((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))) != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) ? ((var_1_17 == var_1_12) ? (var_1_6 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1) : (var_1_8 == ((unsigned char) var_1_11)))) && (var_1_12 == ((float) ((2.55f + var_1_13) - var_1_14)))) && (var_1_15 == ((double) ((((var_1_13) > (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))) ? (var_1_13) : (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))))))) && ((var_1_2 >= var_1_1) ? (var_1_17 == ((float) (var_1_14 - ((((var_1_13) > (var_1_18)) ? (var_1_13) : (var_1_18)))))) : 1) ; VAL [\result=0, isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=-255] [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=-255] [L19] reach_error() VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 104.0s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 547 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 419 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 768 IncrementalHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 128 mSDtfsCounter, 768 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 284 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 63.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=2, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 99.7s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 4678 SizeOfPredicates, 5 NumberOfNonLiveVariables, 239 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1122/1440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:16:39,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/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_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/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_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/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 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:16:42,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:16:42,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:16:42,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:16:42,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:16:42,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:16:42,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:16:42,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:16:42,886 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:16:42,886 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:16:42,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:16:42,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:16:42,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:16:42,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:16:42,892 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:16:42,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:16:42,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:16:42,897 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:16:42,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:16:42,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:16:42,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:16:42,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:16:42,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:16:42,903 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:16:42,903 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:16:42,903 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:16:42,904 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:16:42,904 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:16:42,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:16:42,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:16:42,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:16:42,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:16:42,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:16:42,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:16:42,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:16:42,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:16:42,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:16:42,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:16:42,910 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:16:42,912 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:16:42,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:16:42,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:16:42,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:16:42,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:16:42,913 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_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 [2024-11-08 19:16:43,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:16:43,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:16:43,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:16:43,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:16:43,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:16:43,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i Unable to find full path for "g++" [2024-11-08 19:16:45,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:16:46,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:16:46,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2024-11-08 19:16:46,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/data/100bef873/0b4d395734e941548e1ebd65020b7928/FLAGa1f28bd1b [2024-11-08 19:16:46,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/data/100bef873/0b4d395734e941548e1ebd65020b7928 [2024-11-08 19:16:46,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:16:46,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:16:46,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:16:46,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:16:46,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:16:46,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:16:46" (1/1) ... [2024-11-08 19:16:46,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f90094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:46, skipping insertion in model container [2024-11-08 19:16:46,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:16:46" (1/1) ... [2024-11-08 19:16:46,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:16:46,823 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_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2024-11-08 19:16:46,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:16:46,941 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:16:46,980 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_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2024-11-08 19:16:47,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:16:47,064 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:16:47,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47 WrapperNode [2024-11-08 19:16:47,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:16:47,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:16:47,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:16:47,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:16:47,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47" (1/1) ... [2024-11-08 19:16:47,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47" (1/1) ... [2024-11-08 19:16:47,120 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-08 19:16:47,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:16:47,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:16:47,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:16:47,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:16:47,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47" (1/1) ... [2024-11-08 19:16:47,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47" (1/1) ... [2024-11-08 19:16:47,142 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47" (1/1) ... [2024-11-08 19:16:47,158 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:16:47,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47" (1/1) ... [2024-11-08 19:16:47,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47" (1/1) ... [2024-11-08 19:16:47,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47" (1/1) ... [2024-11-08 19:16:47,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47" (1/1) ... [2024-11-08 19:16:47,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47" (1/1) ... [2024-11-08 19:16:47,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47" (1/1) ... [2024-11-08 19:16:47,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:16:47,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:16:47,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:16:47,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:16:47,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47" (1/1) ... [2024-11-08 19:16:47,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:16:47,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:16:47,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:16:47,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:16:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:16:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:16:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:16:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:16:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:16:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:16:47,383 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:16:47,390 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:16:51,806 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 19:16:51,806 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:16:51,824 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:16:51,824 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:16:51,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:16:51 BoogieIcfgContainer [2024-11-08 19:16:51,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:16:51,831 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:16:51,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:16:51,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:16:51,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:16:46" (1/3) ... [2024-11-08 19:16:51,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594e15c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:16:51, skipping insertion in model container [2024-11-08 19:16:51,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:47" (2/3) ... [2024-11-08 19:16:51,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594e15c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:16:51, skipping insertion in model container [2024-11-08 19:16:51,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:16:51" (3/3) ... [2024-11-08 19:16:51,841 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-53.i [2024-11-08 19:16:51,864 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:16:51,864 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:16:51,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:16:51,948 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;@2ce191a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:16:51,948 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:16:51,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 19:16:51,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 19:16:51,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:51,984 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:51,985 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:51,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:51,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1758431116, now seen corresponding path program 1 times [2024-11-08 19:16:52,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:16:52,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600336773] [2024-11-08 19:16:52,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:52,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:52,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:16:52,010 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:16:52,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 19:16:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:52,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:16:52,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:16:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-08 19:16:52,550 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:16:52,554 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:16:52,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600336773] [2024-11-08 19:16:52,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [600336773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:16:52,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:16:52,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:16:52,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435268311] [2024-11-08 19:16:52,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:16:52,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:16:52,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:16:52,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:16:52,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:16:52,602 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 19:16:52,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:16:52,637 INFO L93 Difference]: Finished difference Result 93 states and 154 transitions. [2024-11-08 19:16:52,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:16:52,639 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-08 19:16:52,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:16:52,648 INFO L225 Difference]: With dead ends: 93 [2024-11-08 19:16:52,648 INFO L226 Difference]: Without dead ends: 46 [2024-11-08 19:16:52,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:16:52,655 INFO L432 NwaCegarLoop]: 65 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, 65 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:16:52,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:16:52,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-08 19:16:52,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-08 19:16:52,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 19:16:52,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2024-11-08 19:16:52,695 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 102 [2024-11-08 19:16:52,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:16:52,697 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2024-11-08 19:16:52,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 19:16:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-08 19:16:52,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 19:16:52,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:52,701 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:52,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 19:16:52,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:52,902 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:52,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:52,904 INFO L85 PathProgramCache]: Analyzing trace with hash 708430996, now seen corresponding path program 1 times [2024-11-08 19:16:52,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:16:52,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931389194] [2024-11-08 19:16:52,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:52,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:52,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:16:52,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:16:52,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b484685e-c3de-4c8a-a4cc-1dfc90b78ec9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 19:16:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:53,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 19:16:53,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:17:55,353 WARN L286 SmtUtils]: Spent 17.22s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:19:38,929 WARN L286 SmtUtils]: Spent 36.02s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:22:32,377 WARN L286 SmtUtils]: Spent 41.19s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)