./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:47:17,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:47:17,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:47:17,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:47:17,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:47:17,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:47:17,475 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:47:17,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:47:17,477 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:47:17,479 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:47:17,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:47:17,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:47:17,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:47:17,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:47:17,484 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:47:17,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:47:17,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:47:17,486 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:47:17,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:47:17,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:47:17,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:47:17,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:47:17,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:47:17,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:47:17,492 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:47:17,492 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:47:17,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:47:17,493 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:47:17,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:47:17,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:47:17,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:47:17,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:47:17,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:47:17,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:47:17,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:47:17,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:47:17,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:47:17,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:47:17,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:47:17,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:47:17,513 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:47:17,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:47:17,513 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_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 [2024-11-08 16:47:17,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:47:17,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:47:17,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:47:17,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:47:17,930 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:47:17,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i Unable to find full path for "g++" [2024-11-08 16:47:20,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:47:20,622 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:47:20,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2024-11-08 16:47:20,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/data/1c3f4d5a5/d5b76df08f6b4fdfb521c27916f5f439/FLAG769f9f527 [2024-11-08 16:47:20,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/data/1c3f4d5a5/d5b76df08f6b4fdfb521c27916f5f439 [2024-11-08 16:47:20,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:47:20,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:47:20,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:47:20,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:47:20,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:47:20,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:47:20" (1/1) ... [2024-11-08 16:47:20,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c90b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:20, skipping insertion in model container [2024-11-08 16:47:21,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:47:20" (1/1) ... [2024-11-08 16:47:21,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:47:21,364 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_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2024-11-08 16:47:21,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:47:21,443 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:47:21,461 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_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2024-11-08 16:47:21,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:47:21,507 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:47:21,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21 WrapperNode [2024-11-08 16:47:21,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:47:21,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:47:21,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:47:21,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:47:21,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21" (1/1) ... [2024-11-08 16:47:21,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21" (1/1) ... [2024-11-08 16:47:21,561 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2024-11-08 16:47:21,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:47:21,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:47:21,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:47:21,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:47:21,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21" (1/1) ... [2024-11-08 16:47:21,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21" (1/1) ... [2024-11-08 16:47:21,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21" (1/1) ... [2024-11-08 16:47:21,606 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 16:47:21,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21" (1/1) ... [2024-11-08 16:47:21,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21" (1/1) ... [2024-11-08 16:47:21,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21" (1/1) ... [2024-11-08 16:47:21,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21" (1/1) ... [2024-11-08 16:47:21,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21" (1/1) ... [2024-11-08 16:47:21,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21" (1/1) ... [2024-11-08 16:47:21,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:47:21,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:47:21,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:47:21,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:47:21,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21" (1/1) ... [2024-11-08 16:47:21,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:47:21,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:47:21,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:47:21,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:47:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:47:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:47:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:47:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:47:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:47:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:47:21,861 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:47:21,864 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:47:22,113 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 16:47:22,113 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:47:22,131 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:47:22,131 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:47:22,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:22 BoogieIcfgContainer [2024-11-08 16:47:22,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:47:22,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:47:22,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:47:22,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:47:22,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:47:20" (1/3) ... [2024-11-08 16:47:22,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e887e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:47:22, skipping insertion in model container [2024-11-08 16:47:22,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:21" (2/3) ... [2024-11-08 16:47:22,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e887e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:47:22, skipping insertion in model container [2024-11-08 16:47:22,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:22" (3/3) ... [2024-11-08 16:47:22,146 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-26.i [2024-11-08 16:47:22,172 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:47:22,173 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:47:22,303 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:47:22,314 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;@63beab46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:47:22,314 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:47:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:47:22,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:47:22,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:22,341 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:47:22,342 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:22,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:22,351 INFO L85 PathProgramCache]: Analyzing trace with hash 568749117, now seen corresponding path program 1 times [2024-11-08 16:47:22,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:22,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904674959] [2024-11-08 16:47:22,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:22,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:47:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:47:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:47:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:47:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:47:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:47:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:47:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:47:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:47:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:47:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 16:47:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:47:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:47:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:47:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:47:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,888 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 16:47:22,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:47:22,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904674959] [2024-11-08 16:47:22,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904674959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:22,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:22,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:47:22,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915786495] [2024-11-08 16:47:22,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:22,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:47:22,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:47:22,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:47:22,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:47:22,941 INFO L87 Difference]: Start difference. First operand has 44 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 16:47:22,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:22,987 INFO L93 Difference]: Finished difference Result 81 states and 133 transitions. [2024-11-08 16:47:22,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:47:22,990 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 94 [2024-11-08 16:47:22,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:23,001 INFO L225 Difference]: With dead ends: 81 [2024-11-08 16:47:23,001 INFO L226 Difference]: Without dead ends: 40 [2024-11-08 16:47:23,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 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 16:47:23,011 INFO L432 NwaCegarLoop]: 55 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, 55 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 16:47:23,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:47:23,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-08 16:47:23,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-08 16:47:23,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:47:23,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 55 transitions. [2024-11-08 16:47:23,075 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 55 transitions. Word has length 94 [2024-11-08 16:47:23,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:23,076 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 55 transitions. [2024-11-08 16:47:23,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 16:47:23,077 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2024-11-08 16:47:23,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:47:23,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:23,082 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:47:23,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:47:23,088 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:23,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:23,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1196701183, now seen corresponding path program 1 times [2024-11-08 16:47:23,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:23,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137786565] [2024-11-08 16:47:23,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:23,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:23,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:47:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:23,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:47:23,774 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:47:23,777 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:47:23,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:47:23,785 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 16:47:23,945 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:47:23,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:47:23 BoogieIcfgContainer [2024-11-08 16:47:23,955 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:47:23,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:47:23,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:47:23,957 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:47:23,958 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:22" (3/4) ... [2024-11-08 16:47:23,975 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:47:23,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:47:23,979 INFO L158 Benchmark]: Toolchain (without parser) took 3004.42ms. Allocated memory was 130.0MB in the beginning and 197.1MB in the end (delta: 67.1MB). Free memory was 65.1MB in the beginning and 167.8MB in the end (delta: -102.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:47:23,980 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:47:23,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.71ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 65.0MB in the beginning and 124.8MB in the end (delta: -59.9MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-08 16:47:23,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.90ms. Allocated memory is still 163.6MB. Free memory was 124.8MB in the beginning and 122.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:47:23,986 INFO L158 Benchmark]: Boogie Preprocessor took 68.87ms. Allocated memory is still 163.6MB. Free memory was 122.7MB in the beginning and 120.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:47:23,987 INFO L158 Benchmark]: RCFGBuilder took 499.65ms. Allocated memory is still 163.6MB. Free memory was 120.7MB in the beginning and 122.0MB in the end (delta: -1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:47:23,991 INFO L158 Benchmark]: TraceAbstraction took 1819.65ms. Allocated memory is still 163.6MB. Free memory was 122.0MB in the beginning and 131.1MB in the end (delta: -9.1MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2024-11-08 16:47:23,992 INFO L158 Benchmark]: Witness Printer took 20.45ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 131.1MB in the beginning and 167.8MB in the end (delta: -36.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:47:23,999 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.71ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 65.0MB in the beginning and 124.8MB in the end (delta: -59.9MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.90ms. Allocated memory is still 163.6MB. Free memory was 124.8MB in the beginning and 122.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.87ms. Allocated memory is still 163.6MB. Free memory was 122.7MB in the beginning and 120.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.65ms. Allocated memory is still 163.6MB. Free memory was 120.7MB in the beginning and 122.0MB in the end (delta: -1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1819.65ms. Allocated memory is still 163.6MB. Free memory was 122.0MB in the beginning and 131.1MB in the end (delta: -9.1MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * Witness Printer took 20.45ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 131.1MB in the beginning and 167.8MB in the end (delta: -36.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 32; [L23] unsigned char var_1_2 = 1; [L24] unsigned long int var_1_3 = 4; [L25] unsigned long int var_1_4 = 64; [L26] unsigned long int var_1_5 = 32; [L27] unsigned long int var_1_6 = 1908995780; [L28] unsigned long int var_1_7 = 0; [L29] double var_1_8 = 1.7; [L30] double var_1_9 = 1.7; [L31] signed short int var_1_10 = -32; [L32] signed short int var_1_11 = -16; VAL [isInitial=0, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L76] isInitial = 1 [L77] FCALL initially() [L78] COND TRUE 1 [L79] FCALL updateLastVariables() [L80] CALL updateVariables() [L45] var_1_2 = __VERIFIER_nondet_uchar() [L46] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L46] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L47] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L47] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L48] var_1_3 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L49] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L50] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L50] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L51] var_1_4 = __VERIFIER_nondet_ulong() [L52] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L52] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L53] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L53] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L54] var_1_5 = __VERIFIER_nondet_ulong() [L55] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L55] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L56] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L56] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L57] var_1_6 = __VERIFIER_nondet_ulong() [L58] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L58] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L59] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L59] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L60] var_1_7 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_8=17/10, var_1_9=17/10] [L61] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_8=17/10, var_1_9=17/10] [L62] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=17/10, var_1_9=17/10] [L62] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=17/10, var_1_9=17/10] [L63] var_1_9 = __VERIFIER_nondet_double() [L64] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=17/10] [L64] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=17/10] [L65] var_1_11 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_11 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=17/10] [L66] RET assume_abort_if_not(var_1_11 >= -32767) VAL [isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=17/10] [L67] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=17/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=17/10] [L67] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=17/10] [L80] RET updateVariables() [L81] CALL step() [L36] COND TRUE \read(var_1_2) [L37] var_1_1 = ((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) VAL [isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=-2, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=17/10] [L41] var_1_8 = var_1_9 [L42] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_1=-2, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=6442450948, var_1_9=6442450948] [L81] RET step() [L82] CALL, EXPR property() [L72-L73] return ((var_1_2 ? (var_1_1 == ((unsigned long int) ((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))))) : (var_1_1 == ((unsigned long int) (3164264966u - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7)))))))) && (var_1_8 == ((double) var_1_9))) && (var_1_10 == ((signed short int) var_1_11)) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_1=-2, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=6442450948, var_1_9=6442450948] [L82] RET, EXPR property() [L82] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_1=-2, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=6442450948, var_1_9=6442450948] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_1=-2, var_1_2=1, var_1_3=-2, var_1_4=-6442450945, var_1_5=6442450943, var_1_6=2147483647, var_1_7=-4294967296, var_1_8=6442450948, var_1_9=6442450948] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 55 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 420/420 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 16:47:24,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:47:27,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:47:27,692 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 16:47:27,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:47:27,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:47:27,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:47:27,770 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:47:27,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:47:27,772 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:47:27,774 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:47:27,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:47:27,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:47:27,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:47:27,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:47:27,781 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:47:27,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:47:27,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:47:27,784 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:47:27,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:47:27,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:47:27,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:47:27,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:47:27,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:47:27,791 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:47:27,792 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:47:27,792 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:47:27,797 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:47:27,798 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:47:27,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:47:27,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:47:27,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:47:27,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:47:27,801 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:47:27,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:47:27,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:47:27,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:47:27,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:47:27,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:47:27,807 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:47:27,808 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:47:27,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:47:27,809 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:47:27,809 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:47:27,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:47:27,810 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_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 [2024-11-08 16:47:28,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:47:28,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:47:28,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:47:28,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:47:28,514 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:47:28,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i Unable to find full path for "g++" [2024-11-08 16:47:31,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:47:32,028 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:47:32,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2024-11-08 16:47:32,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/data/ca9f247e9/1c6fed66b04a423194618922aa735588/FLAG499bab32e [2024-11-08 16:47:32,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/data/ca9f247e9/1c6fed66b04a423194618922aa735588 [2024-11-08 16:47:32,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:47:32,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:47:32,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:47:32,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:47:32,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:47:32,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:47:32" (1/1) ... [2024-11-08 16:47:32,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a280ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:32, skipping insertion in model container [2024-11-08 16:47:32,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:47:32" (1/1) ... [2024-11-08 16:47:32,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:47:32,751 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_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2024-11-08 16:47:32,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:47:32,837 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:47:32,895 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_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2024-11-08 16:47:32,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:47:33,051 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:47:33,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33 WrapperNode [2024-11-08 16:47:33,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:47:33,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:47:33,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:47:33,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:47:33,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33" (1/1) ... [2024-11-08 16:47:33,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33" (1/1) ... [2024-11-08 16:47:33,174 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-08 16:47:33,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:47:33,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:47:33,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:47:33,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:47:33,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33" (1/1) ... [2024-11-08 16:47:33,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33" (1/1) ... [2024-11-08 16:47:33,212 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33" (1/1) ... [2024-11-08 16:47:33,242 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 16:47:33,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33" (1/1) ... [2024-11-08 16:47:33,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33" (1/1) ... [2024-11-08 16:47:33,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33" (1/1) ... [2024-11-08 16:47:33,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33" (1/1) ... [2024-11-08 16:47:33,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33" (1/1) ... [2024-11-08 16:47:33,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33" (1/1) ... [2024-11-08 16:47:33,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:47:33,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:47:33,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:47:33,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:47:33,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33" (1/1) ... [2024-11-08 16:47:33,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:47:33,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:47:33,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:47:33,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:47:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:47:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:47:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:47:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:47:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:47:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:47:33,571 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:47:33,575 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:47:33,959 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 16:47:33,960 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:47:33,989 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:47:33,991 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:47:33,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:33 BoogieIcfgContainer [2024-11-08 16:47:33,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:47:33,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:47:33,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:47:34,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:47:34,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:47:32" (1/3) ... [2024-11-08 16:47:34,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56620bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:47:34, skipping insertion in model container [2024-11-08 16:47:34,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:33" (2/3) ... [2024-11-08 16:47:34,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56620bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:47:34, skipping insertion in model container [2024-11-08 16:47:34,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:33" (3/3) ... [2024-11-08 16:47:34,013 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-26.i [2024-11-08 16:47:34,042 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:47:34,043 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:47:34,171 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:47:34,184 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;@312bdfd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:47:34,185 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:47:34,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:47:34,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:47:34,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:34,245 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:47:34,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:34,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:34,258 INFO L85 PathProgramCache]: Analyzing trace with hash 568749117, now seen corresponding path program 1 times [2024-11-08 16:47:34,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:34,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083772471] [2024-11-08 16:47:34,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:34,291 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 16:47:34,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:34,298 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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 16:47:34,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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 16:47:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:34,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:47:34,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:34,760 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-08 16:47:34,761 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:47:34,763 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:34,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083772471] [2024-11-08 16:47:34,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083772471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:34,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:34,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:47:34,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141171064] [2024-11-08 16:47:34,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:34,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:47:34,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:34,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:47:34,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:47:34,827 INFO L87 Difference]: Start difference. First operand has 44 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 16:47:34,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:34,890 INFO L93 Difference]: Finished difference Result 81 states and 133 transitions. [2024-11-08 16:47:34,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:47:34,893 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 94 [2024-11-08 16:47:34,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:34,911 INFO L225 Difference]: With dead ends: 81 [2024-11-08 16:47:34,911 INFO L226 Difference]: Without dead ends: 40 [2024-11-08 16:47:34,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 93 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 16:47:34,936 INFO L432 NwaCegarLoop]: 55 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, 55 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 16:47:34,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:47:34,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-08 16:47:35,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-08 16:47:35,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:47:35,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 55 transitions. [2024-11-08 16:47:35,043 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 55 transitions. Word has length 94 [2024-11-08 16:47:35,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:35,044 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 55 transitions. [2024-11-08 16:47:35,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 16:47:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2024-11-08 16:47:35,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:47:35,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:35,051 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:47:35,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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 16:47:35,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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 16:47:35,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:35,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:35,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1196701183, now seen corresponding path program 1 times [2024-11-08 16:47:35,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:35,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1126584288] [2024-11-08 16:47:35,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:35,266 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 16:47:35,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:35,273 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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 16:47:35,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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 16:47:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:35,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 16:47:35,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 104 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:47:41,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:47:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-08 16:47:47,514 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:47,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1126584288] [2024-11-08 16:47:47,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1126584288] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:47:47,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:47:47,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-08 16:47:47,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007742309] [2024-11-08 16:47:47,516 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:47:47,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 16:47:47,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:47,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 16:47:47,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:47:47,520 INFO L87 Difference]: Start difference. First operand 40 states and 55 transitions. Second operand has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-08 16:47:51,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:51,717 INFO L93 Difference]: Finished difference Result 55 states and 69 transitions. [2024-11-08 16:47:51,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:47:51,723 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 94 [2024-11-08 16:47:51,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:51,728 INFO L225 Difference]: With dead ends: 55 [2024-11-08 16:47:51,728 INFO L226 Difference]: Without dead ends: 53 [2024-11-08 16:47:51,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2024-11-08 16:47:51,731 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 49 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:51,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 217 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-08 16:47:51,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-08 16:47:51,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 48. [2024-11-08 16:47:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 30 states have internal predecessors, (32), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:47:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2024-11-08 16:47:51,768 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 62 transitions. Word has length 94 [2024-11-08 16:47:51,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:51,769 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 62 transitions. [2024-11-08 16:47:51,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-08 16:47:51,770 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2024-11-08 16:47:51,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:47:51,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:51,774 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:47:51,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-08 16:47:51,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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 16:47:51,979 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:51,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:51,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1253959485, now seen corresponding path program 1 times [2024-11-08 16:47:51,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:51,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112789087] [2024-11-08 16:47:51,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:51,983 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 16:47:51,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:51,986 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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 16:47:51,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 16:47:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:52,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 16:47:52,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:56,015 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 104 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:47:56,016 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:47:57,863 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-08 16:47:57,864 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:57,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112789087] [2024-11-08 16:47:57,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112789087] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:47:57,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:47:57,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-08 16:47:57,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944338661] [2024-11-08 16:47:57,869 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:47:57,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 16:47:57,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:57,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 16:47:57,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:47:57,877 INFO L87 Difference]: Start difference. First operand 48 states and 62 transitions. Second operand has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-08 16:48:00,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:48:00,808 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2024-11-08 16:48:00,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:48:00,811 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 94 [2024-11-08 16:48:00,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:48:00,813 INFO L225 Difference]: With dead ends: 53 [2024-11-08 16:48:00,813 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 16:48:00,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2024-11-08 16:48:00,816 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 55 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:48:00,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 214 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 16:48:00,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 16:48:00,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 16:48:00,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:48:00,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 16:48:00,821 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 94 [2024-11-08 16:48:00,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:48:00,822 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:48:00,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-08 16:48:00,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 16:48:00,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 16:48:00,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:48:00,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-08 16:48:01,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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 16:48:01,038 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 16:48:01,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 16:48:02,570 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:48:02,596 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:48:02,598 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:48:02,598 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:48:02,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:48:02,600 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 16:48:02,600 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:48:02,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 16:48:02,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:48:02,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 16:48:02,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:48:02,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:48:02 BoogieIcfgContainer [2024-11-08 16:48:02,625 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:48:02,627 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:48:02,627 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:48:02,627 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:48:02,628 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:33" (3/4) ... [2024-11-08 16:48:02,636 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 16:48:02,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 16:48:02,655 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 16:48:02,657 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 16:48:02,658 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 16:48:02,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 16:48:02,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:48:02,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 16:48:02,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:48:02,857 INFO L158 Benchmark]: Toolchain (without parser) took 30572.14ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 54.9MB in the beginning and 150.0MB in the end (delta: -95.1MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-11-08 16:48:02,858 INFO L158 Benchmark]: CDTParser took 1.98ms. Allocated memory is still 94.4MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:48:02,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 762.36ms. Allocated memory is still 94.4MB. Free memory was 54.7MB in the beginning and 68.0MB in the end (delta: -13.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-08 16:48:02,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.78ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 66.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:48:02,860 INFO L158 Benchmark]: Boogie Preprocessor took 133.89ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 64.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:48:02,860 INFO L158 Benchmark]: RCFGBuilder took 681.32ms. Allocated memory is still 94.4MB. Free memory was 64.0MB in the beginning and 50.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:48:02,861 INFO L158 Benchmark]: TraceAbstraction took 28629.41ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 49.8MB in the beginning and 156.3MB in the end (delta: -106.5MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. [2024-11-08 16:48:02,865 INFO L158 Benchmark]: Witness Printer took 229.48ms. Allocated memory is still 188.7MB. Free memory was 155.2MB in the beginning and 150.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 16:48:02,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.98ms. Allocated memory is still 94.4MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 762.36ms. Allocated memory is still 94.4MB. Free memory was 54.7MB in the beginning and 68.0MB in the end (delta: -13.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.78ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 66.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.89ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 64.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.32ms. Allocated memory is still 94.4MB. Free memory was 64.0MB in the beginning and 50.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 28629.41ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 49.8MB in the beginning and 156.3MB in the end (delta: -106.5MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. * Witness Printer took 229.48ms. Allocated memory is still 188.7MB. Free memory was 155.2MB in the beginning and 150.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.9s, OverallIterations: 3, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 486 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 358 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 588 IncrementalHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 128 mSDtfsCounter, 588 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 485 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=2, InterpolantAutomatonStates: 28, 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, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 17.8s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 465 ConstructedInterpolants, 2 QuantifiedInterpolants, 2756 SizeOfPredicates, 38 NumberOfNonLiveVariables, 456 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 1880/2100 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && ((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 16:48:02,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c3eebc-a9ed-40d0-8e5a-02f8be3bafbb/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 Writing output log to file Ultimate.log Result: TRUE