./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-92.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_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/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_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/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_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/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 a2d7ec62f25a34cf5027fbfb72852316d19da9a92ce648f9721cd65c436423bb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:39:57,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:39:57,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:39:57,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:39:57,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:39:57,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:39:57,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:39:57,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:39:57,745 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:39:57,745 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:39:57,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:39:57,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:39:57,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:39:57,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:39:57,753 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:39:57,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:39:57,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:39:57,754 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:39:57,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:39:57,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:39:57,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:39:57,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:39:57,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:39:57,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:39:57,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:39:57,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:39:57,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:39:57,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:39:57,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:39:57,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:39:57,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:39:57,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:39:57,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:39:57,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:39:57,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:39:57,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:39:57,767 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:39:57,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:39:57,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:39:57,768 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:39:57,768 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:39:57,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:39:57,769 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_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2d7ec62f25a34cf5027fbfb72852316d19da9a92ce648f9721cd65c436423bb [2024-11-08 16:39:58,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:39:58,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:39:58,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:39:58,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:39:58,161 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:39:58,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-92.i Unable to find full path for "g++" [2024-11-08 16:40:00,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:40:01,062 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:40:01,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-92.i [2024-11-08 16:40:01,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/bin/uautomizer-verify-jihMAELWvX/data/b13556dfc/1b54672b98384ecfa216e376d7b35d2d/FLAG42ee2614b [2024-11-08 16:40:01,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/bin/uautomizer-verify-jihMAELWvX/data/b13556dfc/1b54672b98384ecfa216e376d7b35d2d [2024-11-08 16:40:01,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:40:01,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:40:01,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:40:01,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:40:01,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:40:01,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b20e32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01, skipping insertion in model container [2024-11-08 16:40:01,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:40:01,380 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_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-92.i[915,928] [2024-11-08 16:40:01,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:40:01,432 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:40:01,449 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_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-92.i[915,928] [2024-11-08 16:40:01,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:40:01,490 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:40:01,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01 WrapperNode [2024-11-08 16:40:01,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:40:01,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:40:01,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:40:01,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:40:01,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,545 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 71 [2024-11-08 16:40:01,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:40:01,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:40:01,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:40:01,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:40:01,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,565 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,580 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 16:40:01,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:40:01,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:40:01,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:40:01,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:40:01,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01" (1/1) ... [2024-11-08 16:40:01,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:40:01,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:40:01,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:40:01,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:40:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:40:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:40:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:40:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:40:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:40:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:40:01,748 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:40:01,751 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:40:02,018 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 16:40:02,019 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:40:02,035 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:40:02,035 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:40:02,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:40:02 BoogieIcfgContainer [2024-11-08 16:40:02,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:40:02,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:40:02,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:40:02,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:40:02,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:40:01" (1/3) ... [2024-11-08 16:40:02,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5125ce7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:40:02, skipping insertion in model container [2024-11-08 16:40:02,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:40:01" (2/3) ... [2024-11-08 16:40:02,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5125ce7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:40:02, skipping insertion in model container [2024-11-08 16:40:02,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:40:02" (3/3) ... [2024-11-08 16:40:02,066 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-92.i [2024-11-08 16:40:02,085 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:40:02,086 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:40:02,171 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:40:02,179 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;@3519336c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:40:02,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:40:02,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:40:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 16:40:02,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:40:02,197 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:40:02,198 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:40:02,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:02,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1038317961, now seen corresponding path program 1 times [2024-11-08 16:40:02,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:02,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525149377] [2024-11-08 16:40:02,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:02,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:02,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:40:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:02,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:40:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:02,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:40:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:02,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:40:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:02,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:40:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:02,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:40:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:02,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:40:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:02,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:40:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:02,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:40:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:02,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:40:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 16:40:02,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:02,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525149377] [2024-11-08 16:40:02,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525149377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:02,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:02,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:40:02,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423936932] [2024-11-08 16:40:02,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:02,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:40:02,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:02,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:40:02,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:40:02,815 INFO L87 Difference]: Start difference. First operand has 37 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-08 16:40:02,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:40:02,853 INFO L93 Difference]: Finished difference Result 67 states and 106 transitions. [2024-11-08 16:40:02,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:40:02,856 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2024-11-08 16:40:02,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:40:02,867 INFO L225 Difference]: With dead ends: 67 [2024-11-08 16:40:02,867 INFO L226 Difference]: Without dead ends: 33 [2024-11-08 16:40:02,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 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 16:40:02,878 INFO L432 NwaCegarLoop]: 44 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, 44 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 16:40:02,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:40:02,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-08 16:40:02,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-08 16:40:02,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:40:02,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2024-11-08 16:40:02,929 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 67 [2024-11-08 16:40:02,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:40:02,930 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-11-08 16:40:02,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-08 16:40:02,931 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-11-08 16:40:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 16:40:02,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:40:02,935 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:40:02,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:40:02,935 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:40:02,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:02,937 INFO L85 PathProgramCache]: Analyzing trace with hash -794282057, now seen corresponding path program 1 times [2024-11-08 16:40:02,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:02,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416805279] [2024-11-08 16:40:02,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:02,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:08,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:40:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:08,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:40:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:08,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:40:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:08,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:40:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:08,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:40:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:08,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:40:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:08,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:40:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:08,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:40:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:08,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:40:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:08,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:40:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 16:40:08,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:08,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416805279] [2024-11-08 16:40:08,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416805279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:08,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:08,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:40:08,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623236839] [2024-11-08 16:40:08,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:08,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:40:08,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:08,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:40:08,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:40:08,991 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-08 16:40:11,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:40:11,027 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2024-11-08 16:40:11,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:40:11,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-11-08 16:40:11,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:40:11,031 INFO L225 Difference]: With dead ends: 58 [2024-11-08 16:40:11,032 INFO L226 Difference]: Without dead ends: 56 [2024-11-08 16:40:11,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:11,034 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 26 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:40:11,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 201 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:40:11,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-08 16:40:11,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 47. [2024-11-08 16:40:11,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 16:40:11,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2024-11-08 16:40:11,057 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 60 transitions. Word has length 67 [2024-11-08 16:40:11,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:40:11,058 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 60 transitions. [2024-11-08 16:40:11,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-08 16:40:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2024-11-08 16:40:11,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 16:40:11,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:40:11,061 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:40:11,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:40:11,062 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:40:11,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:11,063 INFO L85 PathProgramCache]: Analyzing trace with hash -792435015, now seen corresponding path program 1 times [2024-11-08 16:40:11,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:11,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57417709] [2024-11-08 16:40:11,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:11,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:21,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:40:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:21,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:40:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:21,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:40:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:21,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:40:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:21,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:40:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:21,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:40:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:21,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:40:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:21,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:40:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:21,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:40:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:21,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:40:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 16:40:21,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:21,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57417709] [2024-11-08 16:40:21,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57417709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:21,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:21,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:40:21,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974903929] [2024-11-08 16:40:21,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:21,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:40:21,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:21,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:40:21,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:40:21,199 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-08 16:40:21,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:40:21,715 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2024-11-08 16:40:21,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:40:21,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-11-08 16:40:21,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:40:21,720 INFO L225 Difference]: With dead ends: 57 [2024-11-08 16:40:21,720 INFO L226 Difference]: Without dead ends: 55 [2024-11-08 16:40:21,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:40:21,722 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 17 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:40:21,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 151 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:40:21,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-08 16:40:21,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2024-11-08 16:40:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 16:40:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2024-11-08 16:40:21,743 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 63 transitions. Word has length 67 [2024-11-08 16:40:21,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:40:21,744 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 63 transitions. [2024-11-08 16:40:21,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-08 16:40:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2024-11-08 16:40:21,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 16:40:21,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:40:21,746 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:40:21,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:40:21,747 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:40:21,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:21,747 INFO L85 PathProgramCache]: Analyzing trace with hash 980725305, now seen corresponding path program 1 times [2024-11-08 16:40:21,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:21,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208830341] [2024-11-08 16:40:21,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:21,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:24,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:40:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:24,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:40:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:24,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:40:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:24,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:40:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:24,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:40:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:24,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:40:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:24,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:40:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:24,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:40:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:24,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:40:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:24,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:40:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 16:40:24,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:24,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208830341] [2024-11-08 16:40:24,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208830341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:24,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:24,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:40:24,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72217220] [2024-11-08 16:40:24,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:24,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:40:24,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:24,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:40:24,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:40:24,140 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-08 16:40:24,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:40:24,757 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2024-11-08 16:40:24,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:40:24,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-11-08 16:40:24,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:40:24,759 INFO L225 Difference]: With dead ends: 59 [2024-11-08 16:40:24,759 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 16:40:24,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:24,761 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 17 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:40:24,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 198 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:40:24,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 16:40:24,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 16:40:24,764 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 16:40:24,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 16:40:24,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2024-11-08 16:40:24,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:40:24,765 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:40:24,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-08 16:40:24,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 16:40:24,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 16:40:24,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:40:24,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:40:24,779 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 16:40:24,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 16:40:24,950 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:40:24,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:40:24 BoogieIcfgContainer [2024-11-08 16:40:24,984 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:40:24,984 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:40:24,985 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:40:24,985 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:40:24,985 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:40:02" (3/4) ... [2024-11-08 16:40:24,991 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 16:40:24,997 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 16:40:25,002 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 16:40:25,004 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 16:40:25,004 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 16:40:25,005 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 16:40:25,140 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:40:25,141 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 16:40:25,141 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:40:25,142 INFO L158 Benchmark]: Toolchain (without parser) took 24044.44ms. Allocated memory was 130.0MB in the beginning and 362.8MB in the end (delta: 232.8MB). Free memory was 92.2MB in the beginning and 261.6MB in the end (delta: -169.4MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2024-11-08 16:40:25,142 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 100.7MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:40:25,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.83ms. Allocated memory is still 130.0MB. Free memory was 91.8MB in the beginning and 78.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:40:25,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.21ms. Allocated memory is still 130.0MB. Free memory was 78.8MB in the beginning and 76.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:40:25,143 INFO L158 Benchmark]: Boogie Preprocessor took 50.98ms. Allocated memory is still 130.0MB. Free memory was 76.7MB in the beginning and 74.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:40:25,144 INFO L158 Benchmark]: RCFGBuilder took 437.54ms. Allocated memory is still 130.0MB. Free memory was 73.9MB in the beginning and 98.3MB in the end (delta: -24.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-08 16:40:25,144 INFO L158 Benchmark]: TraceAbstraction took 22929.11ms. Allocated memory was 174.1MB in the beginning and 362.8MB in the end (delta: 188.7MB). Free memory was 146.1MB in the beginning and 266.8MB in the end (delta: -120.7MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-08 16:40:25,145 INFO L158 Benchmark]: Witness Printer took 156.53ms. Allocated memory is still 362.8MB. Free memory was 266.8MB in the beginning and 261.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 16:40:25,147 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 100.7MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.83ms. Allocated memory is still 130.0MB. Free memory was 91.8MB in the beginning and 78.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.21ms. Allocated memory is still 130.0MB. Free memory was 78.8MB in the beginning and 76.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.98ms. Allocated memory is still 130.0MB. Free memory was 76.7MB in the beginning and 74.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 437.54ms. Allocated memory is still 130.0MB. Free memory was 73.9MB in the beginning and 98.3MB in the end (delta: -24.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * TraceAbstraction took 22929.11ms. Allocated memory was 174.1MB in the beginning and 362.8MB in the end (delta: 188.7MB). Free memory was 146.1MB in the beginning and 266.8MB in the end (delta: -120.7MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Witness Printer took 156.53ms. Allocated memory is still 362.8MB. Free memory was 266.8MB in the beginning and 261.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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 - 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, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.6s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 594 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 413 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 181 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=3, InterpolantAutomatonStates: 24, 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, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 18.8s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 2109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 720/720 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: ((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (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))) RESULT: Ultimate proved your program to be correct! [2024-11-08 16:40:25,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59e2fd6b-fcb4-4aaa-a688-00d0e1406001/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