./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.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_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1 --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 afae07a7e8a468ecc7c0f4a08803b8b183d56b14bf458e30f12588ce54318aab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:39:48,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:39:48,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:39:48,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:39:48,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:39:48,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:39:48,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:39:48,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:39:48,130 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:39:48,130 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:39:48,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:39:48,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:39:48,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:39:48,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:39:48,131 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:39:48,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:39:48,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:39:48,131 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:39:48,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:39:48,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:39:48,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:39:48,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:39:48,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:39:48,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:39:48,132 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:39:48,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:39:48,132 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:39:48,132 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:39:48,132 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:39:48,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:39:48,132 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:39:48,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:39:48,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:39:48,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:39:48,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:39:48,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:39:48,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:39:48,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:39:48,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:39:48,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:39:48,134 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:39:48,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:39:48,134 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:39:48,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:39:48,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:39:48,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:39:48,134 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:39:48,134 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:39:48,134 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_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1 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 -> afae07a7e8a468ecc7c0f4a08803b8b183d56b14bf458e30f12588ce54318aab [2024-12-02 15:39:48,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:39:48,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:39:48,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:39:48,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:39:48,382 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:39:48,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i [2024-12-02 15:39:51,044 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/data/544438cee/d6354534de7746278a47fc445f520cb4/FLAG2dc0210e7 [2024-12-02 15:39:51,267 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:39:51,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i [2024-12-02 15:39:51,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/data/544438cee/d6354534de7746278a47fc445f520cb4/FLAG2dc0210e7 [2024-12-02 15:39:51,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/data/544438cee/d6354534de7746278a47fc445f520cb4 [2024-12-02 15:39:51,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:39:51,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:39:51,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:39:51,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:39:51,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:39:51,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3a14e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51, skipping insertion in model container [2024-12-02 15:39:51,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:39:51,455 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i[913,926] [2024-12-02 15:39:51,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:39:51,506 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:39:51,516 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_4f630cac-b572-47c8-acb9-9a518f6ef3e2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i[913,926] [2024-12-02 15:39:51,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:39:51,550 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:39:51,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51 WrapperNode [2024-12-02 15:39:51,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:39:51,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:39:51,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:39:51,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:39:51,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,594 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-12-02 15:39:51,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:39:51,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:39:51,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:39:51,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:39:51,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,606 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,620 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]. [2024-12-02 15:39:51,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,627 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:39:51,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:39:51,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:39:51,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:39:51,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (1/1) ... [2024-12-02 15:39:51,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:39:51,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:39:51,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:39:51,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:39:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:39:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:39:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:39:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:39:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:39:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:39:51,763 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:39:51,765 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:39:52,023 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-02 15:39:52,023 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:39:52,031 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:39:52,031 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:39:52,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:52 BoogieIcfgContainer [2024-12-02 15:39:52,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:39:52,034 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:39:52,034 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:39:52,037 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:39:52,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:39:51" (1/3) ... [2024-12-02 15:39:52,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bfd7be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:52, skipping insertion in model container [2024-12-02 15:39:52,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:51" (2/3) ... [2024-12-02 15:39:52,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bfd7be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:52, skipping insertion in model container [2024-12-02 15:39:52,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:52" (3/3) ... [2024-12-02 15:39:52,040 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-95.i [2024-12-02 15:39:52,051 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:39:52,052 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-95.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:39:52,097 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:39:52,107 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;@30e853a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:39:52,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:39:52,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:39:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 15:39:52,118 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:39:52,119 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:39:52,119 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:39:52,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:39:52,123 INFO L85 PathProgramCache]: Analyzing trace with hash -483140881, now seen corresponding path program 1 times [2024-12-02 15:39:52,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:39:52,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939231495] [2024-12-02 15:39:52,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:39:52,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:39:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:39:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 15:39:52,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:39:52,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939231495] [2024-12-02 15:39:52,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939231495] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:39:52,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388410022] [2024-12-02 15:39:52,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:39:52,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:39:52,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:39:52,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:39:52,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:39:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:39:52,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:39:52,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:39:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 15:39:52,476 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:39:52,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388410022] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:39:52,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:39:52,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:39:52,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921352109] [2024-12-02 15:39:52,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:39:52,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:39:52,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:39:52,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:39:52,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:39:52,498 INFO L87 Difference]: Start difference. First operand has 64 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:39:52,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:39:52,520 INFO L93 Difference]: Finished difference Result 121 states and 196 transitions. [2024-12-02 15:39:52,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:39:52,522 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2024-12-02 15:39:52,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:39:52,527 INFO L225 Difference]: With dead ends: 121 [2024-12-02 15:39:52,528 INFO L226 Difference]: Without dead ends: 60 [2024-12-02 15:39:52,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:39:52,533 INFO L435 NwaCegarLoop]: 86 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, 86 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 [2024-12-02 15:39:52,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:39:52,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-12-02 15:39:52,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-12-02 15:39:52,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:39:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 86 transitions. [2024-12-02 15:39:52,566 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 86 transitions. Word has length 107 [2024-12-02 15:39:52,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:39:52,566 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 86 transitions. [2024-12-02 15:39:52,567 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:39:52,567 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2024-12-02 15:39:52,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 15:39:52,569 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:39:52,570 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:39:52,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:39:52,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:39:52,770 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:39:52,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:39:52,771 INFO L85 PathProgramCache]: Analyzing trace with hash -466849305, now seen corresponding path program 1 times [2024-12-02 15:39:52,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:39:52,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023991136] [2024-12-02 15:39:52,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:39:52,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:39:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:39:53,084 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:39:53,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:39:53,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023991136] [2024-12-02 15:39:53,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023991136] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:39:53,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:39:53,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:39:53,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618165153] [2024-12-02 15:39:53,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:39:53,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:39:53,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:39:53,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:39:53,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:39:53,087 INFO L87 Difference]: Start difference. First operand 60 states and 86 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:39:53,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:39:53,111 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2024-12-02 15:39:53,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:39:53,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 107 [2024-12-02 15:39:53,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:39:53,114 INFO L225 Difference]: With dead ends: 118 [2024-12-02 15:39:53,114 INFO L226 Difference]: Without dead ends: 61 [2024-12-02 15:39:53,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:39:53,115 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:39:53,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:39:53,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-12-02 15:39:53,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-12-02 15:39:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:39:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 87 transitions. [2024-12-02 15:39:53,125 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 87 transitions. Word has length 107 [2024-12-02 15:39:53,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:39:53,127 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 87 transitions. [2024-12-02 15:39:53,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:39:53,127 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2024-12-02 15:39:53,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 15:39:53,128 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:39:53,128 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:39:53,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:39:53,128 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:39:53,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:39:53,129 INFO L85 PathProgramCache]: Analyzing trace with hash -173030421, now seen corresponding path program 1 times [2024-12-02 15:39:53,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:39:53,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346572413] [2024-12-02 15:39:53,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:39:53,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:39:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:39:53,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [899241895] [2024-12-02 15:39:53,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:39:53,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:39:53,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:39:53,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:39:53,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:39:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:39:53,285 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:39:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:39:53,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:39:53,367 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:39:53,368 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:39:53,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:39:53,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-12-02 15:39:53,573 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 15:39:53,623 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:39:53,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:39:53 BoogieIcfgContainer [2024-12-02 15:39:53,626 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:39:53,627 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:39:53,627 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:39:53,627 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:39:53,628 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:52" (3/4) ... [2024-12-02 15:39:53,630 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:39:53,630 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:39:53,631 INFO L158 Benchmark]: Toolchain (without parser) took 2335.77ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 97.8MB in the end (delta: 19.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-12-02 15:39:53,631 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:39:53,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.69ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 103.8MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:39:53,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.36ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 100.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:39:53,632 INFO L158 Benchmark]: Boogie Preprocessor took 43.13ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 96.5MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:39:53,632 INFO L158 Benchmark]: RCFGBuilder took 393.57ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 77.0MB in the end (delta: 19.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 15:39:53,632 INFO L158 Benchmark]: TraceAbstraction took 1592.62ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 98.7MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:39:53,633 INFO L158 Benchmark]: Witness Printer took 3.39ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.8MB in the end (delta: 879.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:39:53,634 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.69ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 103.8MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.36ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 100.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.13ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 96.5MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 393.57ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 77.0MB in the end (delta: 19.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1592.62ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 98.7MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.39ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.8MB in the end (delta: 879.8kB). 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 shiftRight at line 47, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryArithmeticFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] float var_1_3 = 1.8; [L24] float var_1_4 = 8.54; [L25] float var_1_5 = 255.8; [L26] float var_1_6 = 50.4; [L27] unsigned char var_1_7 = 0; [L28] unsigned long int var_1_8 = 8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 5; [L31] unsigned char var_1_12 = 2; [L32] signed short int var_1_13 = 0; [L33] unsigned long int var_1_14 = 16; [L34] signed char var_1_16 = -1; [L35] signed char var_1_17 = -16; [L36] unsigned char last_1_var_1_7 = 0; VAL [isInitial=0, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_4=427/50, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L92] isInitial = 1 [L93] FCALL initially() [L95] CALL updateLastVariables() [L85] last_1_var_1_7 = var_1_7 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_4=427/50, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L95] RET updateLastVariables() [L96] CALL updateVariables() [L58] var_1_4 = __VERIFIER_nondet_float() [L59] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L59] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L60] var_1_5 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L61] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L62] var_1_6 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=8] [L63] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=8] [L64] var_1_8 = __VERIFIER_nondet_ulong() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0] [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0] [L66] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L66] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L67] var_1_10 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L68] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L69] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L69] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L70] var_1_11 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L71] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L72] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L72] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L73] var_1_12 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L74] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L75] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L75] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L76] var_1_14 = __VERIFIER_nondet_ulong() [L77] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L77] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L78] CALL assume_abort_if_not(var_1_14 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L78] RET assume_abort_if_not(var_1_14 <= 4294967295) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L79] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L79] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L80] var_1_17 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L81] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L82] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L82] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L96] RET updateVariables() [L97] CALL step() [L40] var_1_1 = ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))) [L41] var_1_3 = ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f))))) [L42] var_1_16 = var_1_17 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=0, var_1_8=0] [L43] EXPR var_1_16 & var_1_1 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=0, var_1_8=0] [L43] signed long int stepLocal_0 = var_1_16 & var_1_1; [L44] COND TRUE (- (3351680781u - var_1_8)) > stepLocal_0 [L45] var_1_7 = (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L47] EXPR var_1_7 >> var_1_7 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L47] COND TRUE (var_1_16 / var_1_14) < (var_1_7 >> var_1_7) [L48] var_1_13 = ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L97] RET step() [L98] CALL, EXPR property() [L88] EXPR ((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((float) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L88] EXPR (((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((float) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1)) && (((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) ? (var_1_13 == ((signed short int) ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))))) : ((var_1_16 >= var_1_1) ? (var_1_13 == ((signed short int) (-5 + (var_1_12 - var_1_11)))) : (var_1_13 == ((signed short int) 256)))) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L88-L89] return ((((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((float) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1)) && (((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) ? (var_1_13 == ((signed short int) ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))))) : ((var_1_16 >= var_1_1) ? (var_1_13 == ((signed short int) (-5 + (var_1_12 - var_1_11)))) : (var_1_13 == ((signed short int) 256))))) && (var_1_16 == ((signed char) var_1_17)) ; [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 16, 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, 251 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 171 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 537 NumberOfCodeBlocks, 537 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 318 ConstructedInterpolants, 0 QuantifiedInterpolants, 326 SizeOfPredicates, 0 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1410/1440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 15:39:53,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1 --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 afae07a7e8a468ecc7c0f4a08803b8b183d56b14bf458e30f12588ce54318aab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:39:55,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:39:55,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:39:55,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:39:55,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:39:55,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:39:55,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:39:55,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:39:55,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:39:55,689 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:39:55,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:39:55,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:39:55,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:39:55,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:39:55,689 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:39:55,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:39:55,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:39:55,690 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:39:55,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:39:55,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:39:55,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:39:55,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:39:55,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:39:55,690 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:39:55,690 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:39:55,690 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:39:55,690 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:39:55,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:39:55,691 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:39:55,691 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:39:55,691 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:39:55,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:39:55,691 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:39:55,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:39:55,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:39:55,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:39:55,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:39:55,692 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:39:55,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:39:55,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:39:55,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:39:55,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:39:55,692 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:39:55,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:39:55,692 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:39:55,692 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:39:55,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:39:55,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:39:55,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:39:55,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:39:55,693 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_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1 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 -> afae07a7e8a468ecc7c0f4a08803b8b183d56b14bf458e30f12588ce54318aab [2024-12-02 15:39:55,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:39:55,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:39:55,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:39:55,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:39:55,941 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:39:55,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i [2024-12-02 15:39:58,733 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/data/a67e0f004/821c54cf5ab044899ac11e23a29f374d/FLAG8b8e62daf [2024-12-02 15:39:58,929 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:39:58,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i [2024-12-02 15:39:58,935 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/data/a67e0f004/821c54cf5ab044899ac11e23a29f374d/FLAG8b8e62daf [2024-12-02 15:39:58,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/data/a67e0f004/821c54cf5ab044899ac11e23a29f374d [2024-12-02 15:39:58,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:39:58,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:39:58,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:39:58,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:39:58,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:39:58,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:58" (1/1) ... [2024-12-02 15:39:58,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea20e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:58, skipping insertion in model container [2024-12-02 15:39:58,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:58" (1/1) ... [2024-12-02 15:39:58,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:39:59,093 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_4f630cac-b572-47c8-acb9-9a518f6ef3e2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i[913,926] [2024-12-02 15:39:59,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:39:59,143 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:39:59,152 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_4f630cac-b572-47c8-acb9-9a518f6ef3e2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i[913,926] [2024-12-02 15:39:59,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:39:59,188 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:39:59,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59 WrapperNode [2024-12-02 15:39:59,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:39:59,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:39:59,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:39:59,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:39:59,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (1/1) ... [2024-12-02 15:39:59,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (1/1) ... [2024-12-02 15:39:59,225 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-12-02 15:39:59,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:39:59,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:39:59,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:39:59,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:39:59,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (1/1) ... [2024-12-02 15:39:59,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (1/1) ... [2024-12-02 15:39:59,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (1/1) ... [2024-12-02 15:39:59,248 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]. [2024-12-02 15:39:59,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (1/1) ... [2024-12-02 15:39:59,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (1/1) ... [2024-12-02 15:39:59,256 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (1/1) ... [2024-12-02 15:39:59,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (1/1) ... [2024-12-02 15:39:59,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (1/1) ... [2024-12-02 15:39:59,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (1/1) ... [2024-12-02 15:39:59,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (1/1) ... [2024-12-02 15:39:59,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:39:59,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:39:59,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:39:59,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:39:59,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (1/1) ... [2024-12-02 15:39:59,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:39:59,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:39:59,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:39:59,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:39:59,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:39:59,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:39:59,317 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:39:59,317 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:39:59,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:39:59,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:39:59,375 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:39:59,377 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:40:00,389 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 15:40:00,389 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:40:00,397 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:40:00,397 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:40:00,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:40:00 BoogieIcfgContainer [2024-12-02 15:40:00,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:40:00,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:40:00,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:40:00,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:40:00,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:39:58" (1/3) ... [2024-12-02 15:40:00,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2fda8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:40:00, skipping insertion in model container [2024-12-02 15:40:00,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:59" (2/3) ... [2024-12-02 15:40:00,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2fda8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:40:00, skipping insertion in model container [2024-12-02 15:40:00,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:40:00" (3/3) ... [2024-12-02 15:40:00,405 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-95.i [2024-12-02 15:40:00,415 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:40:00,417 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-95.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:40:00,457 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:40:00,466 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;@30aecf30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:40:00,466 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:40:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:40:00,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 15:40:00,476 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:40:00,476 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:40:00,477 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:40:00,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:40:00,480 INFO L85 PathProgramCache]: Analyzing trace with hash -934264968, now seen corresponding path program 1 times [2024-12-02 15:40:00,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:40:00,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [831176440] [2024-12-02 15:40:00,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:40:00,490 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 [2024-12-02 15:40:00,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:40:00,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:40:00,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:40:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:40:00,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:40:00,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:40:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-12-02 15:40:00,844 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:40:00,845 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:40:00,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [831176440] [2024-12-02 15:40:00,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [831176440] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:40:00,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:40:00,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:40:00,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121336569] [2024-12-02 15:40:00,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:40:00,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:40:00,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:40:00,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:40:00,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:40:00,869 INFO L87 Difference]: Start difference. First operand has 47 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:40:00,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:40:00,891 INFO L93 Difference]: Finished difference Result 87 states and 146 transitions. [2024-12-02 15:40:00,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:40:00,893 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 100 [2024-12-02 15:40:00,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:40:00,898 INFO L225 Difference]: With dead ends: 87 [2024-12-02 15:40:00,899 INFO L226 Difference]: Without dead ends: 43 [2024-12-02 15:40:00,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:40:00,904 INFO L435 NwaCegarLoop]: 60 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, 60 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 [2024-12-02 15:40:00,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:40:00,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-12-02 15:40:00,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-12-02 15:40:00,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:40:00,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2024-12-02 15:40:00,939 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 100 [2024-12-02 15:40:00,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:40:00,939 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2024-12-02 15:40:00,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:40:00,940 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2024-12-02 15:40:00,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 15:40:00,942 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:40:00,942 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:40:00,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:40:01,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:40:01,143 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:40:01,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:40:01,144 INFO L85 PathProgramCache]: Analyzing trace with hash 905658301, now seen corresponding path program 1 times [2024-12-02 15:40:01,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:40:01,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451145528] [2024-12-02 15:40:01,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:40:01,145 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 [2024-12-02 15:40:01,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:40:01,146 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:40:01,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f630cac-b572-47c8-acb9-9a518f6ef3e2/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:40:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:40:01,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 15:40:01,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:40:58,286 WARN L286 SmtUtils]: Spent 22.12s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 15:42:13,989 WARN L286 SmtUtils]: Spent 33.70s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 15:44:09,373 WARN L286 SmtUtils]: Spent 34.64s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)