./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.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_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 10a5d9ba28fc165cfaae4fdbd64ca86f9d1271dd94f7e86756ae9bbf811b41f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:30:03,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:30:03,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:30:03,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:30:03,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:30:04,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:30:04,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:30:04,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:30:04,043 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:30:04,044 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:30:04,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:30:04,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:30:04,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:30:04,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:30:04,046 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:30:04,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:30:04,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:30:04,047 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:30:04,047 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:30:04,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:30:04,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:30:04,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:30:04,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:30:04,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:30:04,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:30:04,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:30:04,048 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:30:04,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:30:04,048 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:30:04,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:04,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:04,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:04,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:04,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:30:04,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:04,050 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:04,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:04,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:04,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:30:04,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:30:04,051 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:30:04,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:30:04,052 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:30:04,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:30:04,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:30:04,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:30:04,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:30:04,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:30:04,052 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_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a5d9ba28fc165cfaae4fdbd64ca86f9d1271dd94f7e86756ae9bbf811b41f0 [2024-11-28 03:30:04,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:30:04,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:30:04,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:30:04,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:30:04,349 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:30:04,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i [2024-11-28 03:30:07,731 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/data/c33a4c0a8/4ea7541db0a5495b9607592111b108f6/FLAG96dcca42f [2024-11-28 03:30:08,129 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:30:08,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i [2024-11-28 03:30:08,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/data/c33a4c0a8/4ea7541db0a5495b9607592111b108f6/FLAG96dcca42f [2024-11-28 03:30:08,158 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/data/c33a4c0a8/4ea7541db0a5495b9607592111b108f6 [2024-11-28 03:30:08,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:30:08,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:30:08,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:08,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:30:08,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:30:08,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7ec2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08, skipping insertion in model container [2024-11-28 03:30:08,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,200 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:30:08,384 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_70d225f6-68d9-4273-b28b-82d6e7763fb2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i[916,929] [2024-11-28 03:30:08,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:08,461 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:30:08,478 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_70d225f6-68d9-4273-b28b-82d6e7763fb2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i[916,929] [2024-11-28 03:30:08,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:08,539 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:30:08,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08 WrapperNode [2024-11-28 03:30:08,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:08,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:08,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:30:08,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:30:08,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,614 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-28 03:30:08,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:08,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:30:08,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:30:08,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:30:08,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,653 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,689 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:30:08,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,702 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:30:08,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:30:08,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:30:08,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:30:08,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (1/1) ... [2024-11-28 03:30:08,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:08,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:08,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:30:08,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:30:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:30:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:30:08,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:30:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:30:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:30:08,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:30:08,933 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:30:08,936 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:30:09,418 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 03:30:09,419 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:30:09,436 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:30:09,436 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:30:09,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:09 BoogieIcfgContainer [2024-11-28 03:30:09,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:30:09,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:30:09,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:30:09,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:30:09,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:30:08" (1/3) ... [2024-11-28 03:30:09,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a05626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:09, skipping insertion in model container [2024-11-28 03:30:09,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:08" (2/3) ... [2024-11-28 03:30:09,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a05626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:09, skipping insertion in model container [2024-11-28 03:30:09,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:09" (3/3) ... [2024-11-28 03:30:09,454 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-25.i [2024-11-28 03:30:09,478 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:30:09,480 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-25.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:30:09,575 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:30:09,599 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;@7b74ae24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:30:09,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:30:09,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:30:09,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 03:30:09,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:09,633 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:09,634 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:09,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:09,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1300205119, now seen corresponding path program 1 times [2024-11-28 03:30:09,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:09,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665812502] [2024-11-28 03:30:09,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:09,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 03:30:10,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:10,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665812502] [2024-11-28 03:30:10,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665812502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:30:10,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498406813] [2024-11-28 03:30:10,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:10,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:10,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:10,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:30:10,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:30:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:10,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:30:10,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 03:30:10,425 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:30:10,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498406813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:10,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:30:10,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:30:10,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313090330] [2024-11-28 03:30:10,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:10,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:30:10,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:10,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:30:10,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:30:10,462 INFO L87 Difference]: Start difference. First operand has 58 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:30:10,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:10,492 INFO L93 Difference]: Finished difference Result 109 states and 188 transitions. [2024-11-28 03:30:10,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:30:10,494 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-28 03:30:10,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:10,503 INFO L225 Difference]: With dead ends: 109 [2024-11-28 03:30:10,503 INFO L226 Difference]: Without dead ends: 54 [2024-11-28 03:30:10,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:30:10,512 INFO L435 NwaCegarLoop]: 80 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, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:10,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:10,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-28 03:30:10,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-28 03:30:10,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:30:10,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions. [2024-11-28 03:30:10,570 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 125 [2024-11-28 03:30:10,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:10,571 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 80 transitions. [2024-11-28 03:30:10,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:30:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2024-11-28 03:30:10,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 03:30:10,575 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:10,576 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:10,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:30:10,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:30:10,777 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:10,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:10,778 INFO L85 PathProgramCache]: Analyzing trace with hash -8922687, now seen corresponding path program 1 times [2024-11-28 03:30:10,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:10,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439139001] [2024-11-28 03:30:10,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:10,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 03:30:12,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:12,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439139001] [2024-11-28 03:30:12,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439139001] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:30:12,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300805118] [2024-11-28 03:30:12,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:12,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:12,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:12,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:30:12,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:30:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:12,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:30:12,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-28 03:30:12,558 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:30:12,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300805118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:12,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:30:12,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 10 [2024-11-28 03:30:12,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336029441] [2024-11-28 03:30:12,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:12,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:30:12,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:12,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:30:12,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:30:12,561 INFO L87 Difference]: Start difference. First operand 54 states and 80 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:30:13,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:13,068 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2024-11-28 03:30:13,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:30:13,069 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-28 03:30:13,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:13,072 INFO L225 Difference]: With dead ends: 115 [2024-11-28 03:30:13,072 INFO L226 Difference]: Without dead ends: 64 [2024-11-28 03:30:13,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:30:13,075 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 113 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:13,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 119 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:30:13,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-28 03:30:13,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2024-11-28 03:30:13,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:30:13,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 85 transitions. [2024-11-28 03:30:13,102 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 85 transitions. Word has length 125 [2024-11-28 03:30:13,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:13,103 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 85 transitions. [2024-11-28 03:30:13,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:30:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2024-11-28 03:30:13,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-28 03:30:13,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:13,106 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:13,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:30:13,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:13,307 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:13,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:13,312 INFO L85 PathProgramCache]: Analyzing trace with hash -859300006, now seen corresponding path program 1 times [2024-11-28 03:30:13,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:13,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008555368] [2024-11-28 03:30:13,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:13,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:30:13,443 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:30:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:30:13,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:30:13,603 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:30:13,604 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:30:13,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:30:13,614 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 03:30:13,731 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:30:13,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:30:13 BoogieIcfgContainer [2024-11-28 03:30:13,736 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:30:13,736 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:30:13,737 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:30:13,737 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:30:13,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:09" (3/4) ... [2024-11-28 03:30:13,741 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:30:13,742 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:30:13,743 INFO L158 Benchmark]: Toolchain (without parser) took 5579.41ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 76.6MB in the end (delta: 15.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-28 03:30:13,743 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:13,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.72ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 79.0MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:30:13,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.96ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:13,744 INFO L158 Benchmark]: Boogie Preprocessor took 112.75ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 74.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:13,749 INFO L158 Benchmark]: RCFGBuilder took 704.80ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 58.8MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:30:13,749 INFO L158 Benchmark]: TraceAbstraction took 4294.64ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 76.6MB in the end (delta: -18.4MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-11-28 03:30:13,750 INFO L158 Benchmark]: Witness Printer took 5.33ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 76.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:13,751 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.72ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 79.0MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.96ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 112.75ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 74.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 704.80ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 58.8MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4294.64ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 76.6MB in the end (delta: -18.4MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Witness Printer took 5.33ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 76.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 105, overapproximation of to_int at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 105. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 256; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 10; [L25] unsigned short int var_1_4 = 500; [L26] unsigned long int var_1_5 = 0; [L27] unsigned long int var_1_6 = 1509114200; [L28] unsigned long int var_1_7 = 10; [L29] signed long int var_1_8 = 128; [L30] signed long int var_1_9 = 63; [L31] signed long int var_1_10 = 4; [L32] signed long int var_1_11 = 25; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 0; [L35] unsigned char var_1_14 = 1; VAL [isInitial=0, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L109] isInitial = 1 [L110] FCALL initially() [L112] FCALL updateLastVariables() [L113] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L74] var_1_3 = __VERIFIER_nondet_ushort() [L75] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L75] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L76] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L76] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L77] var_1_4 = __VERIFIER_nondet_ushort() [L78] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L78] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L79] CALL assume_abort_if_not(var_1_4 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L79] RET assume_abort_if_not(var_1_4 <= 65535) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L80] var_1_5 = __VERIFIER_nondet_ulong() [L81] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L81] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L82] CALL assume_abort_if_not(var_1_5 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L82] RET assume_abort_if_not(var_1_5 <= 1073741823) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L83] var_1_6 = __VERIFIER_nondet_ulong() [L84] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=10, var_1_8=128, var_1_9=63] [L84] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=10, var_1_8=128, var_1_9=63] [L85] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=10, var_1_8=128, var_1_9=63] [L85] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=10, var_1_8=128, var_1_9=63] [L86] var_1_7 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_8=128, var_1_9=63] [L87] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_8=128, var_1_9=63] [L88] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=63] [L88] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=63] [L89] var_1_9 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L90] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L91] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L91] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L92] var_1_10 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L93] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L94] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L94] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L95] var_1_13 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L96] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L97] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L97] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L98] var_1_14 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L99] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L100] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L100] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L113] RET updateVariables() [L114] CALL step() [L39] COND FALSE !(var_1_9 != var_1_10) [L46] var_1_12 = var_1_14 VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L48] unsigned short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=65535, var_1_10=-1, var_1_11=25, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L49] COND TRUE \read(var_1_12) VAL [isInitial=1, stepLocal_0=65535, var_1_10=-1, var_1_11=25, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L50] COND TRUE stepLocal_0 <= var_1_4 [L51] var_1_1 = (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) + (var_1_6 - var_1_7)) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L56] unsigned long int stepLocal_1 = var_1_1; VAL [isInitial=1, stepLocal_1=-4294901761, var_1_10=-1, var_1_11=25, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L57] COND TRUE var_1_7 >= stepLocal_1 [L58] var_1_8 = ((((0.5f) < (var_1_9)) ? (0.5f) : (var_1_9))) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_9=-1] [L62] COND TRUE var_1_10 >= ((((((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) < (var_1_8)) ? (((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) : (var_1_8))) [L63] var_1_11 = var_1_10 VAL [isInitial=1, var_1_10=-1, var_1_11=-1, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_9=-1] [L114] RET step() [L115] CALL, EXPR property() [L105-L106] return (((var_1_12 ? ((var_1_3 <= var_1_4) ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) + (var_1_6 - var_1_7)))) : 1) : (var_1_1 == ((unsigned long int) var_1_7))) && ((var_1_7 >= var_1_1) ? (var_1_8 == ((signed long int) ((((0.5f) < (var_1_9)) ? (0.5f) : (var_1_9))))) : (var_1_8 == ((signed long int) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))))) && ((var_1_10 >= ((((((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) < (var_1_8)) ? (((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) : (var_1_8)))) ? (var_1_11 == ((signed long int) var_1_10)) : ((! (var_1_7 <= var_1_6)) ? (var_1_11 == ((signed long int) var_1_9)) : 1))) && ((var_1_9 != var_1_10) ? ((var_1_2 || var_1_13) ? (var_1_12 == ((unsigned char) (var_1_13 || var_1_14))) : (var_1_12 == ((unsigned char) var_1_14))) : (var_1_12 == ((unsigned char) var_1_14))) ; VAL [\result=0, isInitial=1, var_1_10=-1, var_1_11=-1, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=1509114202, var_1_9=-1] [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-1, var_1_11=-1, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=1509114202, var_1_9=-1] [L19] reach_error() VAL [isInitial=1, var_1_10=-1, var_1_11=-1, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=1509114202, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 199 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67 mSDsCounter, 131 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 131 mSolverCounterUnsat, 132 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 614 SizeOfPredicates, 1 NumberOfNonLiveVariables, 554 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2999/3040 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:30:13,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 10a5d9ba28fc165cfaae4fdbd64ca86f9d1271dd94f7e86756ae9bbf811b41f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:30:16,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:30:17,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:30:17,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:30:17,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:30:17,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:30:17,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:30:17,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:30:17,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:30:17,065 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:30:17,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:30:17,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:30:17,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:30:17,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:30:17,067 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:30:17,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:30:17,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:30:17,067 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:30:17,068 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:30:17,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:30:17,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:30:17,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:30:17,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:30:17,069 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:30:17,069 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:30:17,070 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:30:17,070 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:30:17,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:30:17,070 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:30:17,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:30:17,071 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:30:17,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:17,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:17,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:17,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:17,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:30:17,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:17,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:17,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:17,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:17,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:30:17,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:30:17,073 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:30:17,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:30:17,073 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:30:17,073 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:30:17,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:30:17,073 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:30:17,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:30:17,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:30:17,073 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_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a5d9ba28fc165cfaae4fdbd64ca86f9d1271dd94f7e86756ae9bbf811b41f0 [2024-11-28 03:30:17,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:30:17,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:30:17,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:30:17,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:30:17,489 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:30:17,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i [2024-11-28 03:30:20,899 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/data/7cd9497f5/e0800f3cedba402cba25499dedb6c880/FLAGc4c18608d [2024-11-28 03:30:21,194 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:30:21,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i [2024-11-28 03:30:21,210 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/data/7cd9497f5/e0800f3cedba402cba25499dedb6c880/FLAGc4c18608d [2024-11-28 03:30:21,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/data/7cd9497f5/e0800f3cedba402cba25499dedb6c880 [2024-11-28 03:30:21,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:30:21,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:30:21,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:21,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:30:21,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:30:21,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8e3fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21, skipping insertion in model container [2024-11-28 03:30:21,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,519 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:30:21,702 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_70d225f6-68d9-4273-b28b-82d6e7763fb2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i[916,929] [2024-11-28 03:30:21,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:21,795 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:30:21,807 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_70d225f6-68d9-4273-b28b-82d6e7763fb2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i[916,929] [2024-11-28 03:30:21,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:21,848 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:30:21,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21 WrapperNode [2024-11-28 03:30:21,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:21,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:21,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:30:21,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:30:21,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,919 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-28 03:30:21,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:21,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:30:21,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:30:21,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:30:21,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,964 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:30:21,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,975 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:21,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:30:22,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:30:22,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:30:22,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:30:22,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (1/1) ... [2024-11-28 03:30:22,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:22,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:22,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:30:22,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:30:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:30:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:30:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:30:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:30:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:30:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:30:22,174 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:30:22,176 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:30:26,698 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 03:30:26,699 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:30:26,712 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:30:26,712 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:30:26,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:26 BoogieIcfgContainer [2024-11-28 03:30:26,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:30:26,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:30:26,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:30:26,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:30:26,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:30:21" (1/3) ... [2024-11-28 03:30:26,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5bc08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:26, skipping insertion in model container [2024-11-28 03:30:26,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:21" (2/3) ... [2024-11-28 03:30:26,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5bc08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:26, skipping insertion in model container [2024-11-28 03:30:26,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:26" (3/3) ... [2024-11-28 03:30:26,728 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-25.i [2024-11-28 03:30:26,750 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:30:26,754 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-25.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:30:26,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:30:26,874 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;@2cebb494, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:30:26,874 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:30:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:30:26,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 03:30:26,890 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:26,891 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:26,891 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:26,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:26,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1300205119, now seen corresponding path program 1 times [2024-11-28 03:30:26,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:30:26,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585622170] [2024-11-28 03:30:26,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:26,909 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:30:26,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:30:26,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:30:26,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 03:30:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:27,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:30:27,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-28 03:30:27,294 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:30:27,295 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:30:27,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585622170] [2024-11-28 03:30:27,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585622170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:27,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:27,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:30:27,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877534477] [2024-11-28 03:30:27,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:27,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:30:27,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:30:27,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:30:27,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:30:27,338 INFO L87 Difference]: Start difference. First operand has 58 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:30:27,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:27,368 INFO L93 Difference]: Finished difference Result 109 states and 188 transitions. [2024-11-28 03:30:27,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:30:27,370 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-28 03:30:27,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:27,378 INFO L225 Difference]: With dead ends: 109 [2024-11-28 03:30:27,379 INFO L226 Difference]: Without dead ends: 54 [2024-11-28 03:30:27,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:30:27,387 INFO L435 NwaCegarLoop]: 80 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, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:27,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:27,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-28 03:30:27,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-28 03:30:27,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:30:27,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions. [2024-11-28 03:30:27,455 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 125 [2024-11-28 03:30:27,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:27,455 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 80 transitions. [2024-11-28 03:30:27,455 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:30:27,456 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2024-11-28 03:30:27,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 03:30:27,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:27,464 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:27,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 03:30:27,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:30:27,665 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:27,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:27,667 INFO L85 PathProgramCache]: Analyzing trace with hash -8922687, now seen corresponding path program 1 times [2024-11-28 03:30:27,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:30:27,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509428505] [2024-11-28 03:30:27,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:27,668 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:30:27,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:30:27,671 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:30:27,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 03:30:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:27,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:30:27,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:28,562 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-28 03:30:28,563 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:30:28,563 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:30:28,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509428505] [2024-11-28 03:30:28,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509428505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:28,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:28,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:30:28,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835931827] [2024-11-28 03:30:28,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:28,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:30:28,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:30:28,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:30:28,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:30:28,571 INFO L87 Difference]: Start difference. First operand 54 states and 80 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:30:30,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:30,396 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2024-11-28 03:30:30,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:30:30,418 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-28 03:30:30,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:30,420 INFO L225 Difference]: With dead ends: 115 [2024-11-28 03:30:30,421 INFO L226 Difference]: Without dead ends: 64 [2024-11-28 03:30:30,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:30:30,423 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 80 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:30,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 152 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 03:30:30,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-28 03:30:30,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2024-11-28 03:30:30,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:30:30,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 85 transitions. [2024-11-28 03:30:30,446 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 85 transitions. Word has length 125 [2024-11-28 03:30:30,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:30,447 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 85 transitions. [2024-11-28 03:30:30,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:30:30,448 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2024-11-28 03:30:30,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-28 03:30:30,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:30,450 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:30,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 03:30:30,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:30:30,656 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:30,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:30,657 INFO L85 PathProgramCache]: Analyzing trace with hash -859300006, now seen corresponding path program 1 times [2024-11-28 03:30:30,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:30:30,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965201220] [2024-11-28 03:30:30,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:30,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:30:30,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:30:30,660 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:30:30,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 03:30:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:30:30,853 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:30:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:30:31,023 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-28 03:30:31,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [823790635] [2024-11-28 03:30:31,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:31,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:30:31,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:30:31,038 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:30:31,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d225f6-68d9-4273-b28b-82d6e7763fb2/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-28 03:30:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:31,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-28 03:30:31,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:55,480 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:31:59,281 WARN L286 SmtUtils]: Spent 14.80s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)