./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB --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 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:09:31,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:09:31,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:09:31,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:09:31,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:09:31,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:09:31,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:09:31,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:09:31,385 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:09:31,385 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:09:31,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:09:31,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:09:31,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:09:31,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:09:31,386 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:09:31,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:09:31,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:09:31,388 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:09:31,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:09:31,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:09:31,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:09:31,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:09:31,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:09:31,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:09:31,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:09:31,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:09:31,390 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:09:31,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:09:31,391 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:09:31,391 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:09:31,391 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:09:31,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:09:31,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:09:31,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:09:31,391 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:09:31,391 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:09:31,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:09:31,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:09:31,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:09:31,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:09:31,392 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:09:31,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:09:31,392 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:09:31,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:09:31,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:09:31,394 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:09:31,394 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:09:31,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:09:31,394 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee [2024-11-28 05:09:31,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:09:31,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:09:31,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:09:31,784 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:09:31,785 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:09:31,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-28 05:09:35,398 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/data/01b20b387/55104c070a76487dacf517f31952db05/FLAG9e6674fc7 [2024-11-28 05:09:35,741 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:09:35,741 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-28 05:09:35,751 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/data/01b20b387/55104c070a76487dacf517f31952db05/FLAG9e6674fc7 [2024-11-28 05:09:36,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/data/01b20b387/55104c070a76487dacf517f31952db05 [2024-11-28 05:09:36,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:09:36,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:09:36,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:09:36,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:09:36,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:09:36,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649b77de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36, skipping insertion in model container [2024-11-28 05:09:36,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:09:36,244 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_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2024-11-28 05:09:36,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:09:36,340 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:09:36,356 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_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2024-11-28 05:09:36,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:09:36,402 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:09:36,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36 WrapperNode [2024-11-28 05:09:36,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:09:36,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:09:36,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:09:36,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:09:36,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,449 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-11-28 05:09:36,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:09:36,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:09:36,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:09:36,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:09:36,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,463 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,479 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]. [2024-11-28 05:09:36,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,486 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:09:36,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:09:36,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:09:36,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:09:36,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (1/1) ... [2024-11-28 05:09:36,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:09:36,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:36,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:09:36,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:09:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:09:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:09:36,599 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:09:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:09:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:09:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:09:36,715 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:09:36,718 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:09:37,173 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 05:09:37,173 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:09:37,186 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:09:37,186 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:09:37,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:09:37 BoogieIcfgContainer [2024-11-28 05:09:37,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:09:37,190 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:09:37,190 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:09:37,197 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:09:37,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:09:36" (1/3) ... [2024-11-28 05:09:37,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210f205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:09:37, skipping insertion in model container [2024-11-28 05:09:37,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:36" (2/3) ... [2024-11-28 05:09:37,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210f205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:09:37, skipping insertion in model container [2024-11-28 05:09:37,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:09:37" (3/3) ... [2024-11-28 05:09:37,200 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-28 05:09:37,220 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:09:37,222 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-60.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:09:37,303 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:09:37,322 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;@7e3153c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:09:37,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:09:37,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 05:09:37,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 05:09:37,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:37,350 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:37,351 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:09:37,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:37,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1256823009, now seen corresponding path program 1 times [2024-11-28 05:09:37,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:37,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378729262] [2024-11-28 05:09:37,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:37,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:37,751 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-28 05:09:37,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:37,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378729262] [2024-11-28 05:09:37,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378729262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:37,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516744733] [2024-11-28 05:09:37,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:37,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:37,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:37,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:37,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:09:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:37,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:09:37,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:38,031 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-28 05:09:38,032 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:09:38,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516744733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:38,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:38,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 05:09:38,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595264372] [2024-11-28 05:09:38,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:38,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:09:38,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:38,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:09:38,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:09:38,071 INFO L87 Difference]: Start difference. First operand has 61 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 05:09:38,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:38,122 INFO L93 Difference]: Finished difference Result 115 states and 200 transitions. [2024-11-28 05:09:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:09:38,125 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135 [2024-11-28 05:09:38,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:38,137 INFO L225 Difference]: With dead ends: 115 [2024-11-28 05:09:38,138 INFO L226 Difference]: Without dead ends: 57 [2024-11-28 05:09:38,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:09:38,149 INFO L435 NwaCegarLoop]: 85 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, 85 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 [2024-11-28 05:09:38,150 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:09:38,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-28 05:09:38,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-28 05:09:38,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 05:09:38,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2024-11-28 05:09:38,210 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 135 [2024-11-28 05:09:38,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:38,210 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2024-11-28 05:09:38,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 05:09:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2024-11-28 05:09:38,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 05:09:38,214 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:38,215 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:38,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:09:38,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 05:09:38,416 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:09:38,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:38,417 INFO L85 PathProgramCache]: Analyzing trace with hash -938106785, now seen corresponding path program 1 times [2024-11-28 05:09:38,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:38,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101071477] [2024-11-28 05:09:38,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:38,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:09:38,620 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:09:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:09:38,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:09:38,859 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:09:38,860 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:09:38,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:09:38,867 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 05:09:38,960 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:09:38,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:09:38 BoogieIcfgContainer [2024-11-28 05:09:38,964 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:09:38,964 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:09:38,964 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:09:38,965 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:09:38,965 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:09:37" (3/4) ... [2024-11-28 05:09:38,973 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:09:38,974 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:09:38,974 INFO L158 Benchmark]: Toolchain (without parser) took 2969.37ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 44.2MB in the end (delta: 48.1MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-28 05:09:38,975 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:09:38,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.30ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 79.7MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:09:38,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.06ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:09:38,976 INFO L158 Benchmark]: Boogie Preprocessor took 57.64ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:09:38,976 INFO L158 Benchmark]: RCFGBuilder took 678.96ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 60.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:09:38,976 INFO L158 Benchmark]: TraceAbstraction took 1773.63ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 44.8MB in the end (delta: 15.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-28 05:09:38,977 INFO L158 Benchmark]: Witness Printer took 9.36ms. Allocated memory is still 117.4MB. Free memory was 44.8MB in the beginning and 44.2MB in the end (delta: 589.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:09:38,979 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.30ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 79.7MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.06ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.64ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 678.96ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 60.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1773.63ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 44.8MB in the end (delta: 15.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Witness Printer took 9.36ms. Allocated memory is still 117.4MB. Free memory was 44.8MB in the beginning and 44.2MB in the end (delta: 589.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 56, overapproximation of to_int at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 9999; [L23] signed long int var_1_2 = 64; [L24] signed long int var_1_3 = 31; [L25] signed long int var_1_4 = 1; [L26] unsigned char var_1_5 = 2; [L27] signed long int var_1_6 = 10; [L28] signed long int var_1_7 = 5; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 1; [L31] signed long int var_1_10 = 64; [L32] signed long int var_1_11 = 32; [L33] signed long int var_1_12 = 10; [L34] signed long int var_1_13 = 4; [L35] signed long int var_1_14 = 999; [L36] signed long int var_1_15 = 2; [L37] signed long int var_1_16 = 8; [L38] signed long int last_1_var_1_16 = 8; VAL [isInitial=0, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=64, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L110] isInitial = 1 [L111] FCALL initially() [L113] CALL updateLastVariables() [L103] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=64, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L113] RET updateLastVariables() [L114] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_long() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L70] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L70] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L71] var_1_3 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L72] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L73] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L73] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L74] var_1_5 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L76] CALL assume_abort_if_not(var_1_5 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L76] RET assume_abort_if_not(var_1_5 <= 255) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L77] var_1_6 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L78] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L79] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L79] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L80] var_1_8 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_9=1] [L81] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_9=1] [L82] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L82] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L83] var_1_9 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1] [L84] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1] [L85] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L85] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L86] var_1_10 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L87] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L88] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L88] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L89] var_1_11 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L90] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L91] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L91] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L92] var_1_12 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L93] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L94] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L94] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L95] var_1_13 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L96] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L97] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L97] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L98] var_1_14 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L99] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L100] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L100] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L114] RET updateVariables() [L115] CALL step() [L42] var_1_1 = (var_1_2 - var_1_3) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L43] COND FALSE !((- var_1_5) >= var_1_6) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L52] unsigned char stepLocal_0 = var_1_9; VAL [isInitial=1, last_1_var_1_16=8, stepLocal_0=-255, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L53] COND TRUE var_1_8 && stepLocal_0 [L54] var_1_7 = ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L56] var_1_15 = 500.25 VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L57] COND FALSE !(var_1_2 > last_1_var_1_16) [L64] var_1_16 = var_1_12 VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_16=0, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return ((((var_1_1 == ((signed long int) (var_1_2 - var_1_3))) && (((- var_1_5) >= var_1_6) ? ((var_1_6 > var_1_5) ? ((var_1_3 == var_1_1) ? (var_1_4 == ((signed long int) (256 - (var_1_5 + 5)))) : (var_1_4 == ((signed long int) var_1_5))) : 1) : 1)) && ((var_1_8 && var_1_9) ? (var_1_7 == ((signed long int) ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))))) : 1)) && (var_1_15 == ((signed long int) 500.25))) && ((var_1_2 > last_1_var_1_16) ? (var_1_9 ? ((var_1_3 <= ((((last_1_var_1_16) < (var_1_11)) ? (last_1_var_1_16) : (var_1_11)))) ? (var_1_16 == ((signed long int) (var_1_14 + var_1_11))) : 1) : 1) : (var_1_16 == ((signed long int) var_1_12))) ; VAL [\result=0, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=10000, var_1_16=0, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=10000, var_1_16=0, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L19] reach_error() VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=10000, var_1_16=0, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 22, 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, 85 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, 85 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 305 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1806/1848 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 05:09:39,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB --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 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:09:42,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:09:42,215 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 05:09:42,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:09:42,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:09:42,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:09:42,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:09:42,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:09:42,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:09:42,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:09:42,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:09:42,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:09:42,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:09:42,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:09:42,280 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:09:42,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:09:42,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:09:42,282 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:09:42,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:09:42,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:09:42,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:09:42,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:09:42,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:09:42,283 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:09:42,283 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 05:09:42,283 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 05:09:42,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:09:42,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:09:42,284 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:09:42,284 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:09:42,284 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:09:42,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:09:42,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:09:42,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:09:42,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:09:42,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:09:42,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:09:42,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:09:42,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:09:42,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:09:42,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:09:42,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:09:42,285 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:09:42,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:09:42,286 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 05:09:42,286 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 05:09:42,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:09:42,286 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:09:42,286 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:09:42,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:09:42,286 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee [2024-11-28 05:09:42,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:09:42,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:09:42,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:09:42,712 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:09:42,712 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:09:42,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-28 05:09:46,255 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/data/ebdbf58b7/37256fd39e7442fdb97f67db692477ba/FLAGb96e8cf7e [2024-11-28 05:09:46,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:09:46,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-28 05:09:46,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/data/ebdbf58b7/37256fd39e7442fdb97f67db692477ba/FLAGb96e8cf7e [2024-11-28 05:09:46,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/data/ebdbf58b7/37256fd39e7442fdb97f67db692477ba [2024-11-28 05:09:46,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:09:46,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:09:46,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:09:46,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:09:46,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:09:46,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:09:46" (1/1) ... [2024-11-28 05:09:46,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6827d123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:46, skipping insertion in model container [2024-11-28 05:09:46,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:09:46" (1/1) ... [2024-11-28 05:09:46,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:09:46,922 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_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2024-11-28 05:09:47,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:09:47,030 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:09:47,045 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_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2024-11-28 05:09:47,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:09:47,125 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:09:47,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47 WrapperNode [2024-11-28 05:09:47,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:09:47,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:09:47,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:09:47,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:09:47,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (1/1) ... [2024-11-28 05:09:47,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (1/1) ... [2024-11-28 05:09:47,191 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-28 05:09:47,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:09:47,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:09:47,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:09:47,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:09:47,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (1/1) ... [2024-11-28 05:09:47,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (1/1) ... [2024-11-28 05:09:47,208 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (1/1) ... [2024-11-28 05:09:47,234 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]. [2024-11-28 05:09:47,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (1/1) ... [2024-11-28 05:09:47,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (1/1) ... [2024-11-28 05:09:47,245 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (1/1) ... [2024-11-28 05:09:47,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (1/1) ... [2024-11-28 05:09:47,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (1/1) ... [2024-11-28 05:09:47,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (1/1) ... [2024-11-28 05:09:47,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (1/1) ... [2024-11-28 05:09:47,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:09:47,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:09:47,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:09:47,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:09:47,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (1/1) ... [2024-11-28 05:09:47,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:09:47,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:47,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:09:47,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:09:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:09:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 05:09:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:09:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:09:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:09:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:09:47,434 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:09:47,437 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:09:47,807 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 05:09:47,807 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:09:47,821 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:09:47,821 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:09:47,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:09:47 BoogieIcfgContainer [2024-11-28 05:09:47,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:09:47,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:09:47,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:09:47,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:09:47,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:09:46" (1/3) ... [2024-11-28 05:09:47,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad3de06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:09:47, skipping insertion in model container [2024-11-28 05:09:47,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:47" (2/3) ... [2024-11-28 05:09:47,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad3de06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:09:47, skipping insertion in model container [2024-11-28 05:09:47,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:09:47" (3/3) ... [2024-11-28 05:09:47,836 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-28 05:09:47,860 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:09:47,861 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-60.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:09:47,945 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:09:47,968 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;@76e04e0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:09:47,968 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:09:47,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 05:09:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 05:09:47,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:47,994 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:47,995 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:09:48,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:48,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1256823009, now seen corresponding path program 1 times [2024-11-28 05:09:48,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:09:48,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616797241] [2024-11-28 05:09:48,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:48,023 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 [2024-11-28 05:09:48,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:09:48,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 05:09:48,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:09:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:48,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:09:48,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:48,432 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-28 05:09:48,432 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:09:48,433 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:09:48,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616797241] [2024-11-28 05:09:48,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616797241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:48,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:09:48,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:09:48,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227035899] [2024-11-28 05:09:48,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:48,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:09:48,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:09:48,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:09:48,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:09:48,485 INFO L87 Difference]: Start difference. First operand has 61 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 05:09:48,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:48,518 INFO L93 Difference]: Finished difference Result 115 states and 200 transitions. [2024-11-28 05:09:48,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:09:48,520 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135 [2024-11-28 05:09:48,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:48,526 INFO L225 Difference]: With dead ends: 115 [2024-11-28 05:09:48,527 INFO L226 Difference]: Without dead ends: 57 [2024-11-28 05:09:48,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:09:48,534 INFO L435 NwaCegarLoop]: 85 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, 85 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 [2024-11-28 05:09:48,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:09:48,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-28 05:09:48,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-28 05:09:48,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 05:09:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2024-11-28 05:09:48,594 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 135 [2024-11-28 05:09:48,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:48,596 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2024-11-28 05:09:48,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 05:09:48,596 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2024-11-28 05:09:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 05:09:48,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:48,605 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:48,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:09:48,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:09:48,806 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:09:48,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:48,807 INFO L85 PathProgramCache]: Analyzing trace with hash -938106785, now seen corresponding path program 1 times [2024-11-28 05:09:48,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:09:48,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878534013] [2024-11-28 05:09:48,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:48,809 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 [2024-11-28 05:09:48,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:09:48,811 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 05:09:48,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:09:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:49,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 05:09:49,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:12,946 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 05:10:12,947 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:10:12,948 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:10:12,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878534013] [2024-11-28 05:10:12,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [878534013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:12,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:12,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 05:10:12,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536782696] [2024-11-28 05:10:12,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:12,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:10:12,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:10:12,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:10:12,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:10:12,952 INFO L87 Difference]: Start difference. First operand 57 states and 85 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:10:14,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:14,322 INFO L93 Difference]: Finished difference Result 92 states and 127 transitions. [2024-11-28 05:10:14,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:10:14,324 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 135 [2024-11-28 05:10:14,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:14,326 INFO L225 Difference]: With dead ends: 92 [2024-11-28 05:10:14,326 INFO L226 Difference]: Without dead ends: 90 [2024-11-28 05:10:14,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:10:14,327 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 75 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:14,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 397 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 05:10:14,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-28 05:10:14,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 64. [2024-11-28 05:10:14,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 05:10:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-28 05:10:14,353 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 135 [2024-11-28 05:10:14,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:14,357 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-28 05:10:14,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:10:14,357 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-28 05:10:14,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 05:10:14,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:14,360 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:14,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 05:10:14,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:10:14,561 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:14,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:14,562 INFO L85 PathProgramCache]: Analyzing trace with hash 836900577, now seen corresponding path program 1 times [2024-11-28 05:10:14,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:10:14,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [765203139] [2024-11-28 05:10:14,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:14,563 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 [2024-11-28 05:10:14,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:10:14,567 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 05:10:14,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:10:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:14,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 05:10:14,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-28 05:10:48,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:21:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 05:21:05,586 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:21:05,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [765203139] [2024-11-28 05:21:05,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [765203139] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 05:21:05,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:21:05,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2024-11-28 05:21:05,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146867665] [2024-11-28 05:21:05,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:05,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:21:05,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:21:05,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:21:05,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:21:05,590 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:21:06,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:06,500 INFO L93 Difference]: Finished difference Result 94 states and 127 transitions. [2024-11-28 05:21:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 05:21:06,502 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 135 [2024-11-28 05:21:06,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:06,504 INFO L225 Difference]: With dead ends: 94 [2024-11-28 05:21:06,504 INFO L226 Difference]: Without dead ends: 92 [2024-11-28 05:21:06,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2024-11-28 05:21:06,506 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 47 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:06,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 399 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:21:06,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-28 05:21:06,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 64. [2024-11-28 05:21:06,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 05:21:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-28 05:21:06,518 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 135 [2024-11-28 05:21:06,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:06,519 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-28 05:21:06,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:21:06,520 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-28 05:21:06,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 05:21:06,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:06,528 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:06,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 05:21:06,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:21:06,729 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:06,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:06,730 INFO L85 PathProgramCache]: Analyzing trace with hash 577972592, now seen corresponding path program 1 times [2024-11-28 05:21:06,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:21:06,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261832979] [2024-11-28 05:21:06,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:06,731 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 [2024-11-28 05:21:06,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:21:06,735 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 05:21:06,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 (5)] Waiting until timeout for monitored process [2024-11-28 05:21:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:06,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:21:06,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:21:07,053 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-28 05:21:07,054 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:21:07,231 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 05:21:07,231 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:21:07,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261832979] [2024-11-28 05:21:07,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261832979] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 05:21:07,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:21:07,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-28 05:21:07,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854307053] [2024-11-28 05:21:07,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:07,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:21:07,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:21:07,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:21:07,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:21:07,236 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:21:07,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:07,383 INFO L93 Difference]: Finished difference Result 158 states and 229 transitions. [2024-11-28 05:21:07,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:21:07,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2024-11-28 05:21:07,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:07,386 INFO L225 Difference]: With dead ends: 158 [2024-11-28 05:21:07,386 INFO L226 Difference]: Without dead ends: 97 [2024-11-28 05:21:07,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:21:07,391 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 62 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:07,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 153 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:21:07,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-28 05:21:07,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2024-11-28 05:21:07,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 60 states have internal predecessors, (71), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 05:21:07,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 135 transitions. [2024-11-28 05:21:07,421 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 135 transitions. Word has length 136 [2024-11-28 05:21:07,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:07,422 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 135 transitions. [2024-11-28 05:21:07,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:21:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2024-11-28 05:21:07,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 05:21:07,429 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:07,430 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:07,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 (5)] Ended with exit code 0 [2024-11-28 05:21:07,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:21:07,630 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:07,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:07,631 INFO L85 PathProgramCache]: Analyzing trace with hash -231374034, now seen corresponding path program 1 times [2024-11-28 05:21:07,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:21:07,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658746050] [2024-11-28 05:21:07,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:07,632 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 [2024-11-28 05:21:07,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:21:07,634 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 05:21:07,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 (6)] Waiting until timeout for monitored process [2024-11-28 05:21:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:07,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 05:21:07,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:21:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 05:21:27,148 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:21:27,149 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:21:27,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658746050] [2024-11-28 05:21:27,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [658746050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:27,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:27,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 05:21:27,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021628922] [2024-11-28 05:21:27,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:27,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:21:27,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:21:27,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:21:27,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:21:27,151 INFO L87 Difference]: Start difference. First operand 94 states and 135 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:21:27,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:27,721 INFO L93 Difference]: Finished difference Result 124 states and 168 transitions. [2024-11-28 05:21:27,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:21:27,722 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2024-11-28 05:21:27,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:27,726 INFO L225 Difference]: With dead ends: 124 [2024-11-28 05:21:27,726 INFO L226 Difference]: Without dead ends: 122 [2024-11-28 05:21:27,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:21:27,728 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 46 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:27,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 432 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:21:27,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-28 05:21:27,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 97. [2024-11-28 05:21:27,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 63 states have internal predecessors, (76), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 05:21:27,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 140 transitions. [2024-11-28 05:21:27,745 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 140 transitions. Word has length 136 [2024-11-28 05:21:27,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:27,745 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 140 transitions. [2024-11-28 05:21:27,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:21:27,746 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 140 transitions. [2024-11-28 05:21:27,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 05:21:27,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:27,749 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:27,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 (6)] Ended with exit code 0 [2024-11-28 05:21:27,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:21:27,950 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:27,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:27,950 INFO L85 PathProgramCache]: Analyzing trace with hash -790095938, now seen corresponding path program 1 times [2024-11-28 05:21:27,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:21:27,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234894689] [2024-11-28 05:21:27,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:27,951 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 [2024-11-28 05:21:27,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:21:27,953 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 05:21:27,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 (7)] Waiting until timeout for monitored process [2024-11-28 05:21:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:28,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 05:21:28,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:21:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 05:21:45,904 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:21:45,904 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:21:45,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [234894689] [2024-11-28 05:21:45,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [234894689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:45,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:45,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 05:21:45,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258051399] [2024-11-28 05:21:45,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:45,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:21:45,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:21:45,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:21:45,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:21:45,906 INFO L87 Difference]: Start difference. First operand 97 states and 140 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:21:46,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:46,589 INFO L93 Difference]: Finished difference Result 222 states and 310 transitions. [2024-11-28 05:21:46,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:21:46,591 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2024-11-28 05:21:46,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:46,594 INFO L225 Difference]: With dead ends: 222 [2024-11-28 05:21:46,594 INFO L226 Difference]: Without dead ends: 128 [2024-11-28 05:21:46,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:21:46,596 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 53 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:46,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 366 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:21:46,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-28 05:21:46,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 94. [2024-11-28 05:21:46,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 60 states have internal predecessors, (70), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 05:21:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 134 transitions. [2024-11-28 05:21:46,612 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 134 transitions. Word has length 136 [2024-11-28 05:21:46,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:46,613 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 134 transitions. [2024-11-28 05:21:46,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:21:46,614 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2024-11-28 05:21:46,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 05:21:46,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:46,616 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:46,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 (7)] Ended with exit code 0 [2024-11-28 05:21:46,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:21:46,817 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:46,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:46,818 INFO L85 PathProgramCache]: Analyzing trace with hash 498950324, now seen corresponding path program 1 times [2024-11-28 05:21:46,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:21:46,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833957310] [2024-11-28 05:21:46,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:46,818 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 [2024-11-28 05:21:46,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:21:46,820 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 05:21:46,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 (8)] Waiting until timeout for monitored process [2024-11-28 05:21:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:46,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 05:21:46,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:22:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 05:22:03,759 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:22:03,759 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:22:03,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833957310] [2024-11-28 05:22:03,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1833957310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:03,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:03,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 05:22:03,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395679337] [2024-11-28 05:22:03,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:03,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:22:03,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:22:03,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:22:03,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:22:03,762 INFO L87 Difference]: Start difference. First operand 94 states and 134 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:22:04,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:04,432 INFO L93 Difference]: Finished difference Result 135 states and 178 transitions. [2024-11-28 05:22:04,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:22:04,434 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2024-11-28 05:22:04,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:04,436 INFO L225 Difference]: With dead ends: 135 [2024-11-28 05:22:04,436 INFO L226 Difference]: Without dead ends: 133 [2024-11-28 05:22:04,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:22:04,438 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 70 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:04,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 376 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:22:04,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-28 05:22:04,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 98. [2024-11-28 05:22:04,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 05:22:04,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions. [2024-11-28 05:22:04,454 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 137 [2024-11-28 05:22:04,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:04,455 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 140 transitions. [2024-11-28 05:22:04,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:22:04,455 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2024-11-28 05:22:04,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 05:22:04,457 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:04,458 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:04,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 (8)] Forceful destruction successful, exit code 0 [2024-11-28 05:22:04,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:22:04,659 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:22:04,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:04,659 INFO L85 PathProgramCache]: Analyzing trace with hash 500797366, now seen corresponding path program 1 times [2024-11-28 05:22:04,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:22:04,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390934487] [2024-11-28 05:22:04,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:04,660 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 [2024-11-28 05:22:04,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:22:04,665 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 05:22:04,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 (9)] Waiting until timeout for monitored process [2024-11-28 05:22:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:04,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 05:22:04,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:22:40,999 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 05:22:40,999 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:22:40,999 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:22:40,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390934487] [2024-11-28 05:22:41,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390934487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:41,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:41,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 05:22:41,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697279177] [2024-11-28 05:22:41,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:41,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:22:41,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:22:41,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:22:41,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:22:41,001 INFO L87 Difference]: Start difference. First operand 98 states and 140 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:22:42,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:42,206 INFO L93 Difference]: Finished difference Result 133 states and 176 transitions. [2024-11-28 05:22:42,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:22:42,209 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2024-11-28 05:22:42,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:42,211 INFO L225 Difference]: With dead ends: 133 [2024-11-28 05:22:42,211 INFO L226 Difference]: Without dead ends: 131 [2024-11-28 05:22:42,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:22:42,216 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 55 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:42,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 469 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:22:42,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-28 05:22:42,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 98. [2024-11-28 05:22:42,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 05:22:42,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions. [2024-11-28 05:22:42,244 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 137 [2024-11-28 05:22:42,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:42,245 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 140 transitions. [2024-11-28 05:22:42,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 05:22:42,245 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2024-11-28 05:22:42,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 05:22:42,247 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:42,251 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:42,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 (9)] Ended with exit code 0 [2024-11-28 05:22:42,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:22:42,452 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:22:42,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:42,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1179008694, now seen corresponding path program 1 times [2024-11-28 05:22:42,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:22:42,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727648526] [2024-11-28 05:22:42,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:42,454 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 [2024-11-28 05:22:42,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:22:42,457 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 05:22:42,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aba059a-4dd4-45a5-8bf8-fbbfe15858ef/bin/uautomizer-verify-aQ6SnzHsRB/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 (10)] Waiting until timeout for monitored process [2024-11-28 05:22:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:42,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 05:22:42,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:22:51,373 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-28 05:22:51,373 INFO L312 TraceCheckSpWp]: Computing backward predicates...