./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.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_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:34:42,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:34:42,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:34:42,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:34:42,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:34:42,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:34:42,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:34:42,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:34:42,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:34:42,793 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:34:42,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:34:42,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:34:42,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:34:42,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:34:42,796 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:34:42,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:34:42,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:34:42,796 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:34:42,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:34:42,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:34:42,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:34:42,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:34:42,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:34:42,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:34:42,799 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:34:42,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:34:42,799 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:34:42,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:34:42,799 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:34:42,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:34:42,800 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:34:42,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:34:42,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:34:42,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:34:42,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:34:42,800 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:34:42,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:34:42,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:34:42,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:34:42,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:34:42,801 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:34:42,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:34:42,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:34:42,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:34:42,801 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:34:42,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:34:42,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:34:42,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:34:42,802 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_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 -> 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c [2024-11-28 02:34:43,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:34:43,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:34:43,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:34:43,184 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:34:43,184 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:34:43,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2024-11-28 02:34:46,861 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/data/9575c1064/4cd65e1d84f94598a3030a6e81977960/FLAG65951043b [2024-11-28 02:34:47,248 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:34:47,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2024-11-28 02:34:47,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/data/9575c1064/4cd65e1d84f94598a3030a6e81977960/FLAG65951043b [2024-11-28 02:34:47,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/data/9575c1064/4cd65e1d84f94598a3030a6e81977960 [2024-11-28 02:34:47,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:34:47,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:34:47,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:34:47,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:34:47,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:34:47,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d409199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47, skipping insertion in model container [2024-11-28 02:34:47,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,339 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:34:47,548 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_1ad24874-dcdd-4ff7-836c-22334b6d7530/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2024-11-28 02:34:47,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:34:47,629 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:34:47,648 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_1ad24874-dcdd-4ff7-836c-22334b6d7530/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2024-11-28 02:34:47,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:34:47,720 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:34:47,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47 WrapperNode [2024-11-28 02:34:47,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:34:47,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:34:47,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:34:47,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:34:47,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,786 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2024-11-28 02:34:47,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:34:47,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:34:47,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:34:47,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:34:47,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,805 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,824 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 02:34:47,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,834 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:34:47,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:34:47,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:34:47,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:34:47,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (1/1) ... [2024-11-28 02:34:47,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:34:47,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:34:47,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:34:47,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:34:47,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:34:47,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:34:47,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:34:47,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:34:47,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:34:47,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:34:48,056 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:34:48,060 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:34:48,395 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 02:34:48,395 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:34:48,415 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:34:48,415 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:34:48,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:34:48 BoogieIcfgContainer [2024-11-28 02:34:48,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:34:48,420 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:34:48,420 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:34:48,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:34:48,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:34:47" (1/3) ... [2024-11-28 02:34:48,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a04204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:34:48, skipping insertion in model container [2024-11-28 02:34:48,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:47" (2/3) ... [2024-11-28 02:34:48,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a04204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:34:48, skipping insertion in model container [2024-11-28 02:34:48,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:34:48" (3/3) ... [2024-11-28 02:34:48,439 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-46.i [2024-11-28 02:34:48,460 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:34:48,464 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-46.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:34:48,559 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:34:48,581 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;@600bb473, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:34:48,581 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:34:48,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 29 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 02:34:48,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 02:34:48,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:34:48,601 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:34:48,601 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:34:48,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:34:48,610 INFO L85 PathProgramCache]: Analyzing trace with hash -2106783137, now seen corresponding path program 1 times [2024-11-28 02:34:48,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:34:48,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127175527] [2024-11-28 02:34:48,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:48,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:34:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:34:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-28 02:34:48,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:34:48,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127175527] [2024-11-28 02:34:48,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127175527] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:34:48,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105942547] [2024-11-28 02:34:48,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:48,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:34:48,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:34:48,997 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:34:49,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:34:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:34:49,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:34:49,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:34:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-28 02:34:49,290 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:34:49,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105942547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:34:49,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:34:49,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:34:49,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696772790] [2024-11-28 02:34:49,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:34:49,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:34:49,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:34:49,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:34:49,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:34:49,331 INFO L87 Difference]: Start difference. First operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 29 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 02:34:49,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:34:49,359 INFO L93 Difference]: Finished difference Result 83 states and 134 transitions. [2024-11-28 02:34:49,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:34:49,361 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 90 [2024-11-28 02:34:49,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:34:49,371 INFO L225 Difference]: With dead ends: 83 [2024-11-28 02:34:49,371 INFO L226 Difference]: Without dead ends: 41 [2024-11-28 02:34:49,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 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 02:34:49,379 INFO L435 NwaCegarLoop]: 56 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, 56 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 02:34:49,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:34:49,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-28 02:34:49,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-28 02:34:49,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 02:34:49,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2024-11-28 02:34:49,435 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 90 [2024-11-28 02:34:49,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:34:49,436 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2024-11-28 02:34:49,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 02:34:49,436 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2024-11-28 02:34:49,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 02:34:49,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:34:49,441 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:34:49,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:34:49,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:34:49,642 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:34:49,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:34:49,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1448015593, now seen corresponding path program 1 times [2024-11-28 02:34:49,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:34:49,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528556695] [2024-11-28 02:34:49,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:49,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:34:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:34:49,828 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:34:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:34:50,016 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:34:50,017 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:34:50,019 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:34:50,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:34:50,029 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 02:34:50,123 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:34:50,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:34:50 BoogieIcfgContainer [2024-11-28 02:34:50,130 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:34:50,130 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:34:50,130 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:34:50,130 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:34:50,131 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:34:48" (3/4) ... [2024-11-28 02:34:50,133 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:34:50,134 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:34:50,135 INFO L158 Benchmark]: Toolchain (without parser) took 2832.49ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 95.8MB in the end (delta: 8.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-11-28 02:34:50,135 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:34:50,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.95ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 92.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:34:50,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.30ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 90.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:34:50,136 INFO L158 Benchmark]: Boogie Preprocessor took 66.38ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 89.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:34:50,136 INFO L158 Benchmark]: RCFGBuilder took 562.71ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 76.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:34:50,137 INFO L158 Benchmark]: TraceAbstraction took 1710.15ms. Allocated memory is still 142.6MB. Free memory was 76.1MB in the beginning and 96.5MB in the end (delta: -20.3MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2024-11-28 02:34:50,137 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 95.8MB in the end (delta: 716.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:34:50,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.95ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 92.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.30ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 90.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.38ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 89.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 562.71ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 76.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1710.15ms. Allocated memory is still 142.6MB. Free memory was 76.1MB in the beginning and 96.5MB in the end (delta: -20.3MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 95.8MB in the end (delta: 716.2kB). 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 someUnaryDOUBLEoperation at line 31, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 255.3; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 1000000000000.5; [L25] double var_1_4 = 999999999.125; [L26] signed long int var_1_5 = 0; [L27] signed long int var_1_6 = 100; [L28] signed long int var_1_7 = 256; [L29] signed long int var_1_8 = -5; [L30] double var_1_9 = 24.2; [L31] double var_1_10 = -0.125; [L32] double var_1_11 = -0.5; VAL [isInitial=0, var_1_1=2553/10, var_1_2=0, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L78] isInitial = 1 [L79] FCALL initially() [L81] FCALL updateLastVariables() [L82] CALL updateVariables() [L47] var_1_2 = __VERIFIER_nondet_uchar() [L48] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L48] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L49] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L49] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L50] var_1_3 = __VERIFIER_nondet_double() [L51] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L51] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L52] var_1_4 = __VERIFIER_nondet_double() [L53] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L53] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L54] var_1_5 = __VERIFIER_nondet_long() [L55] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L55] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L56] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L56] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L57] var_1_6 = __VERIFIER_nondet_long() [L58] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L58] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L59] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L59] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L60] var_1_7 = __VERIFIER_nondet_long() [L61] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L61] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L62] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L62] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L63] var_1_8 = __VERIFIER_nondet_long() [L64] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L64] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L65] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L65] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L66] var_1_9 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L67] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L68] var_1_10 = __VERIFIER_nondet_double() [L69] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L69] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L82] RET updateVariables() [L83] CALL step() [L36] signed long int stepLocal_0 = (((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)); VAL [isInitial=1, stepLocal_0=4, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L37] COND TRUE \read(var_1_2) [L38] var_1_1 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) VAL [isInitial=1, stepLocal_0=4, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L44] var_1_11 = var_1_3 VAL [isInitial=1, stepLocal_0=4, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L83] RET step() [L84] CALL, EXPR property() [L74-L75] return (var_1_2 ? (var_1_1 == ((double) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : ((((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7))) < var_1_8) ? (var_1_1 == ((double) (var_1_9 + var_1_10))) : 1)) && (var_1_11 == ((double) var_1_3)) ; VAL [\result=0, isInitial=1, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L84] RET, EXPR property() [L84] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L19] reach_error() VAL [isInitial=1, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 56 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 702/728 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 02:34:50,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:34:53,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:34:53,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:34:53,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:34:53,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:34:53,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:34:53,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:34:53,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:34:53,609 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:34:53,609 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:34:53,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:34:53,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:34:53,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:34:53,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:34:53,612 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:34:53,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:34:53,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:34:53,613 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:34:53,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:34:53,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:34:53,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:34:53,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:34:53,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:34:53,614 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:34:53,615 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:34:53,615 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:34:53,615 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:34:53,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:34:53,615 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:34:53,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:34:53,615 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:34:53,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:34:53,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:34:53,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:34:53,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:34:53,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:34:53,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:34:53,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:34:53,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:34:53,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:34:53,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:34:53,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:34:53,618 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:34:53,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:34:53,618 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:34:53,618 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:34:53,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:34:53,618 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:34:53,618 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:34:53,618 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:34:53,618 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_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 -> 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c [2024-11-28 02:34:54,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:34:54,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:34:54,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:34:54,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:34:54,029 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:34:54,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2024-11-28 02:34:57,719 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/data/b24bac4ba/461e865d76b04fb682a74f7f98f95ee7/FLAG8a475e8ce [2024-11-28 02:34:58,052 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:34:58,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2024-11-28 02:34:58,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/data/b24bac4ba/461e865d76b04fb682a74f7f98f95ee7/FLAG8a475e8ce [2024-11-28 02:34:58,083 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/data/b24bac4ba/461e865d76b04fb682a74f7f98f95ee7 [2024-11-28 02:34:58,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:34:58,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:34:58,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:34:58,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:34:58,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:34:58,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d37c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58, skipping insertion in model container [2024-11-28 02:34:58,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:34:58,329 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_1ad24874-dcdd-4ff7-836c-22334b6d7530/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2024-11-28 02:34:58,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:34:58,436 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:34:58,455 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2024-11-28 02:34:58,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:34:58,524 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:34:58,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58 WrapperNode [2024-11-28 02:34:58,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:34:58,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:34:58,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:34:58,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:34:58,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,601 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2024-11-28 02:34:58,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:34:58,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:34:58,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:34:58,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:34:58,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,625 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,641 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 02:34:58,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,650 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:34:58,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:34:58,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:34:58,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:34:58,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (1/1) ... [2024-11-28 02:34:58,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:34:58,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:34:58,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:34:58,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:34:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:34:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:34:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:34:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:34:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:34:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:34:58,821 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:34:58,824 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:34:59,710 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 02:34:59,710 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:34:59,723 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:34:59,723 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:34:59,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:34:59 BoogieIcfgContainer [2024-11-28 02:34:59,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:34:59,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:34:59,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:34:59,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:34:59,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:34:58" (1/3) ... [2024-11-28 02:34:59,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1431d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:34:59, skipping insertion in model container [2024-11-28 02:34:59,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:58" (2/3) ... [2024-11-28 02:34:59,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1431d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:34:59, skipping insertion in model container [2024-11-28 02:34:59,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:34:59" (3/3) ... [2024-11-28 02:34:59,736 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-46.i [2024-11-28 02:34:59,755 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:34:59,757 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-46.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:34:59,845 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:34:59,861 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;@5fd8ac62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:34:59,861 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:34:59,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 29 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 02:34:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 02:34:59,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:34:59,881 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:34:59,882 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:34:59,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:34:59,889 INFO L85 PathProgramCache]: Analyzing trace with hash -2106783137, now seen corresponding path program 1 times [2024-11-28 02:34:59,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:34:59,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594272099] [2024-11-28 02:34:59,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:59,907 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 02:34:59,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:34:59,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 02:34:59,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 02:35:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:35:00,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:35:00,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:35:00,290 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-28 02:35:00,290 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:35:00,291 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:35:00,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594272099] [2024-11-28 02:35:00,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594272099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:35:00,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:35:00,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:35:00,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142530542] [2024-11-28 02:35:00,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:35:00,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:35:00,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:35:00,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:35:00,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:35:00,361 INFO L87 Difference]: Start difference. First operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 29 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 02:35:00,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:35:00,406 INFO L93 Difference]: Finished difference Result 83 states and 134 transitions. [2024-11-28 02:35:00,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:35:00,409 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 90 [2024-11-28 02:35:00,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:35:00,420 INFO L225 Difference]: With dead ends: 83 [2024-11-28 02:35:00,420 INFO L226 Difference]: Without dead ends: 41 [2024-11-28 02:35:00,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 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 02:35:00,432 INFO L435 NwaCegarLoop]: 56 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, 56 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 02:35:00,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:35:00,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-28 02:35:00,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-28 02:35:00,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 02:35:00,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2024-11-28 02:35:00,499 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 90 [2024-11-28 02:35:00,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:35:00,500 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2024-11-28 02:35:00,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 02:35:00,501 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2024-11-28 02:35:00,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 02:35:00,506 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:35:00,506 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:35:00,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 02:35:00,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 02:35:00,707 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:35:00,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:35:00,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1448015593, now seen corresponding path program 1 times [2024-11-28 02:35:00,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:35:00,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400103852] [2024-11-28 02:35:00,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:35:00,710 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 02:35:00,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:35:00,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 02:35:00,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 02:35:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:35:01,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 02:35:01,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:35:32,199 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 118 proven. 60 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-28 02:35:32,199 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:36:26,163 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:36:26,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400103852] [2024-11-28 02:36:26,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400103852] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:36:26,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [96852144] [2024-11-28 02:36:26,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:36:26,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:36:26,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:36:26,167 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:36:26,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-28 02:36:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:36:26,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 02:36:26,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:37:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 118 proven. 60 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-28 02:37:30,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:37:56,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [96852144] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:37:56,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:37:56,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-11-28 02:37:56,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142600824] [2024-11-28 02:37:56,414 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:37:56,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 02:37:56,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:37:56,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 02:37:56,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2024-11-28 02:37:56,418 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 21 states have internal predecessors, (61), 6 states have call successors, (28), 6 states have call predecessors, (28), 8 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-28 02:38:07,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:07,228 INFO L93 Difference]: Finished difference Result 60 states and 73 transitions. [2024-11-28 02:38:07,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:38:07,230 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 21 states have internal predecessors, (61), 6 states have call successors, (28), 6 states have call predecessors, (28), 8 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) Word has length 90 [2024-11-28 02:38:07,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:07,232 INFO L225 Difference]: With dead ends: 60 [2024-11-28 02:38:07,232 INFO L226 Difference]: Without dead ends: 58 [2024-11-28 02:38:07,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 170 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 103.3s TimeCoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2024-11-28 02:38:07,234 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 43 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:07,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 250 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 02:38:07,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-28 02:38:07,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53. [2024-11-28 02:38:07,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 02:38:07,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2024-11-28 02:38:07,250 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 90 [2024-11-28 02:38:07,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:07,252 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2024-11-28 02:38:07,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 21 states have internal predecessors, (61), 6 states have call successors, (28), 6 states have call predecessors, (28), 8 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-28 02:38:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2024-11-28 02:38:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 02:38:07,255 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:07,255 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:07,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 02:38:07,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-28 02:38:07,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:38:07,657 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:07,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:07,658 INFO L85 PathProgramCache]: Analyzing trace with hash -222970872, now seen corresponding path program 1 times [2024-11-28 02:38:07,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:38:07,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1981195195] [2024-11-28 02:38:07,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:07,659 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 02:38:07,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:38:07,661 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 02:38:07,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 02:38:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:07,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:38:07,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 105 proven. 33 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-28 02:39:39,013 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:34,223 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse19 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse6 (= (_ bv0 8) c_~var_1_2~0)) (.cse1 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse16 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (fp.gt c_~var_1_3~0 ~var_1_4~0))) (.cse7 (fp.eq c_~var_1_11~0 c_~var_1_3~0))) (let ((.cse11 (bvslt c_~var_1_5~0 c_~var_1_6~0)) (.cse14 (bvslt c_~var_1_5~0 c_~var_1_8~0)) (.cse15 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) (.cse17 (or .cse1 .cse16 .cse7)) (.cse3 (not .cse6)) (.cse4 (not (bvslt c_~var_1_7~0 c_~var_1_8~0))) (.cse18 (or .cse19 .cse6)) (.cse9 (bvslt c_~var_1_6~0 c_~var_1_8~0))) (let ((.cse5 (not .cse9)) (.cse10 (and .cse17 (or .cse3 (and (or .cse19 .cse4) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse4))) .cse18)) (.cse8 (and .cse17 .cse18)) (.cse0 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse12 (and (or .cse15 .cse16 .cse7) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 ~var_1_4~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse6))) (.cse2 (not .cse14)) (.cse13 (not .cse11))) (and (or .cse0 (and (or .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse6) (or .cse1 .cse7))) (or (and (or .cse8 .cse9) (or .cse5 .cse10)) .cse11) (or (and (or .cse12 .cse5) (or .cse12 .cse9)) .cse11) (or .cse13 (and (or .cse2 .cse10) (or .cse14 .cse8))) (or .cse0 (and (or .cse15 .cse7) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) .cse6))) (or (and (or .cse12 .cse14) (or .cse12 .cse2)) .cse13))))) is different from true [2024-11-28 02:41:03,236 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse17 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse13 (= (_ bv0 8) c_~var_1_2~0)) (.cse10 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse18 (fp.eq c_~var_1_3~0 c_~var_1_3~0))) (let ((.cse14 (or .cse10 .cse18)) (.cse11 (not .cse13)) (.cse12 (not (bvslt c_~var_1_7~0 c_~var_1_8~0))) (.cse16 (or .cse17 .cse13)) (.cse2 (bvslt c_~var_1_6~0 c_~var_1_8~0)) (.cse6 (bvslt c_~var_1_5~0 c_~var_1_8~0)) (.cse0 (bvslt c_~var_1_5~0 c_~var_1_6~0)) (.cse15 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse18))) (let ((.cse1 (and .cse15 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 ~var_1_4~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse13))) (.cse4 (not .cse0)) (.cse5 (not .cse6)) (.cse9 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse3 (not .cse2)) (.cse8 (and .cse14 (or .cse11 (and (or .cse17 .cse12) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse12))) .cse16)) (.cse7 (and .cse14 .cse16))) (and (or .cse0 (and (or .cse1 .cse2) (or .cse3 .cse1))) (or .cse4 (and (or .cse5 .cse1) (or .cse6 .cse1))) (or .cse4 (and (or .cse6 .cse7) (or .cse5 .cse8))) (or .cse9 (and (or .cse10 .cse5 .cse11 .cse12) (or .cse10 .cse3 .cse11 .cse12) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse13) .cse14)) (or .cse9 (and .cse15 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) .cse13))) (or .cse0 (and (or .cse3 .cse8) (or .cse7 .cse2))))))) is different from true [2024-11-28 02:41:30,442 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse13 (fp.eq c_~var_1_3~0 c_~var_1_3~0))) (let ((.cse1 (bvslt c_~var_1_5~0 c_~var_1_6~0)) (.cse11 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse4 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse15 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse13)) (.cse7 (= (_ bv0 8) c_~var_1_2~0))) (let ((.cse0 (and .cse15 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 ~var_1_4~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse7))) (.cse8 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_6~0)) (.cse12 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse5 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_7~0)) (.cse6 (not .cse7)) (.cse9 (or .cse4 .cse13)) (.cse3 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_5~0)) (.cse14 (or .cse11 .cse7)) (.cse10 (not .cse1)) (.cse2 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0))))) (and (or .cse0 .cse1) (or .cse2 (and (or .cse3 .cse4 .cse5 .cse6) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse7) (or .cse4 .cse5 .cse8 .cse6) .cse9)) (or .cse10 .cse0) (or (and (or (and (or .cse11 .cse5 .cse8) (or .cse12 .cse5 .cse8)) .cse6) (or .cse4 .cse13 .cse8) (or .cse11 .cse8 .cse7) .cse9 .cse14) .cse1) (or (and (or (and (or .cse3 .cse11 .cse5) (or .cse12 .cse3 .cse5)) .cse6) (or .cse3 .cse11 .cse7) .cse9 (or .cse3 .cse4 .cse13) .cse14) .cse10) (or .cse2 (and .cse15 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) .cse7))))))) is different from true [2024-11-28 02:42:59,004 WARN L286 SmtUtils]: Spent 36.25s on a formula simplification. DAG size of input: 48 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:43:31,136 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:43:31,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1981195195] [2024-11-28 02:43:31,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1981195195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:43:31,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1249528335] [2024-11-28 02:43:31,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:31,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:43:31,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:43:31,141 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:43:31,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-28 02:43:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:32,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 02:43:32,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:32,278 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 105 proven. 33 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-28 02:46:32,278 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:30,421 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse15 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse4 (not (bvslt c_~var_1_7~0 c_~var_1_8~0))) (.cse6 (= (_ bv0 8) c_~var_1_2~0)) (.cse10 (bvslt c_~var_1_5~0 c_~var_1_8~0)) (.cse1 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse12 (bvslt c_~var_1_5~0 c_~var_1_6~0)) (.cse13 (bvslt c_~var_1_6~0 c_~var_1_8~0)) (.cse14 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) (.cse18 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (fp.gt c_~var_1_3~0 ~var_1_4~0))) (.cse7 (fp.eq c_~var_1_11~0 c_~var_1_3~0))) (let ((.cse9 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 ~var_1_4~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse11 (or .cse14 .cse18 .cse7)) (.cse0 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse5 (not .cse13)) (.cse8 (not .cse12)) (.cse16 (or .cse1 .cse18 .cse7)) (.cse2 (not .cse10)) (.cse3 (not .cse6)) (.cse17 (and (or .cse15 .cse4) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse4)))) (and (or .cse0 (and (or .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse6) (or .cse1 .cse7))) (or .cse8 (and (or (and (or .cse2 .cse9) (or .cse10 .cse9)) .cse6) .cse11)) (or .cse12 (and (or (and (or .cse5 .cse9) (or .cse9 .cse13)) .cse6) .cse11)) (or .cse0 (and (or .cse14 .cse7) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) .cse6))) (or .cse12 (and (or (and (or .cse15 .cse13) (or .cse5 .cse15)) .cse6) .cse16 (or .cse5 .cse3 .cse17))) (or .cse8 (and .cse16 (or (and (or .cse10 .cse15) (or .cse2 .cse15)) .cse6) (or .cse2 .cse3 .cse17)))))) is different from true [2024-11-28 02:47:56,889 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse14 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse16 (fp.eq c_~var_1_3~0 c_~var_1_3~0)) (.cse4 (= (_ bv0 8) c_~var_1_2~0)) (.cse11 (bvslt c_~var_1_6~0 c_~var_1_8~0)) (.cse3 (bvslt c_~var_1_5~0 c_~var_1_8~0)) (.cse6 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse15 (not (bvslt c_~var_1_7~0 c_~var_1_8~0))) (.cse12 (bvslt c_~var_1_5~0 c_~var_1_6~0))) (let ((.cse0 (not .cse12)) (.cse2 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 ~var_1_4~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse8 (and (or .cse6 .cse15) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse15))) (.cse1 (not .cse3)) (.cse10 (not .cse11)) (.cse7 (not .cse4)) (.cse9 (or .cse14 .cse16)) (.cse13 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse5 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse16))) (and (or .cse0 (and (or (and (or .cse1 .cse2) (or .cse3 .cse2)) .cse4) .cse5)) (or .cse0 (and (or (and (or .cse3 .cse6) (or .cse1 .cse6)) .cse4) (or .cse1 .cse7 .cse8) .cse9)) (or (and (or (and (or .cse10 .cse2) (or .cse2 .cse11)) .cse4) .cse5) .cse12) (or .cse12 (and (or (and (or .cse6 .cse11) (or .cse10 .cse6)) .cse4) (or .cse10 .cse7 .cse8) .cse9)) (or .cse13 (and (or .cse14 .cse1 .cse7 .cse15) (or .cse14 .cse10 .cse7 .cse15) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse4) .cse9)) (or .cse13 (and .cse5 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) .cse4)))))) is different from true [2024-11-28 02:48:23,431 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse15 (fp.eq c_~var_1_3~0 c_~var_1_3~0))) (let ((.cse11 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse4 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse1 (bvslt c_~var_1_5~0 c_~var_1_6~0)) (.cse14 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse15)) (.cse7 (= (_ bv0 8) c_~var_1_2~0))) (let ((.cse0 (and .cse14 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 ~var_1_4~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse7))) (.cse8 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_6~0)) (.cse10 (not .cse1)) (.cse12 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse3 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_5~0)) (.cse5 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_7~0)) (.cse6 (not .cse7)) (.cse9 (or .cse4 .cse15)) (.cse13 (or .cse11 .cse7)) (.cse2 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0))))) (and (or .cse0 .cse1) (or .cse2 (and (or .cse3 .cse4 .cse5 .cse6) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse7) (or .cse4 .cse5 .cse8 .cse6) .cse9)) (or .cse10 .cse0) (or .cse1 (and (or (and (or .cse11 .cse5 .cse8) (or .cse12 .cse5 .cse8)) .cse6) .cse9 .cse13)) (or .cse10 (and (or (and (or .cse3 .cse11 .cse5) (or .cse12 .cse3 .cse5)) .cse6) .cse9 .cse13)) (or .cse2 (and .cse14 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) .cse7))))))) is different from true [2024-11-28 02:48:37,249 WARN L873 $PredicateComparison]: unable to prove that (or (let ((.cse7 (bvslt c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse10 (fp.eq c_~var_1_3~0 c_~var_1_3~0))) (let ((.cse3 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_6~0)) (.cse5 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse4 (or .cse1 .cse10)) (.cse6 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse0 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_5~0)) (.cse2 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_7~0)) (.cse8 (not .cse7)) (.cse9 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))))) (and (or (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) .cse4)) (or (and .cse4 (or .cse5 .cse2 .cse3) (or .cse6 .cse2 .cse3)) .cse7) (or .cse8 (and (or .cse0 .cse5 .cse2) .cse4 (or .cse6 .cse0 .cse2))) (or .cse8 .cse9 .cse10) (or .cse9 .cse10 .cse7)))) (not (= (_ bv0 8) c_~var_1_2~0))) is different from true [2024-11-28 02:49:09,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1249528335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:49:09,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:49:09,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2024-11-28 02:49:09,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418653686] [2024-11-28 02:49:09,498 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:49:09,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 02:49:09,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:49:09,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 02:49:09,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=446, Unknown=14, NotChecked=350, Total=930 [2024-11-28 02:49:09,502 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-28 02:49:35,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:49:35,415 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2024-11-28 02:49:35,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 02:49:35,417 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 91 [2024-11-28 02:49:35,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:49:35,419 INFO L225 Difference]: With dead ends: 66 [2024-11-28 02:49:35,419 INFO L226 Difference]: Without dead ends: 64 [2024-11-28 02:49:35,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 195.1s TimeCoverageRelationStatistics Valid=177, Invalid=645, Unknown=18, NotChecked=420, Total=1260 [2024-11-28 02:49:35,421 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 65 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:49:35,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 280 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-28 02:49:35,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-28 02:49:35,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 53. [2024-11-28 02:49:35,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 02:49:35,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2024-11-28 02:49:35,434 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 91 [2024-11-28 02:49:35,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:49:35,434 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2024-11-28 02:49:35,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-28 02:49:35,435 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2024-11-28 02:49:35,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 02:49:35,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:49:35,437 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:49:35,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-28 02:49:35,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-28 02:49:35,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 02:49:35,838 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:49:35,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:49:35,839 INFO L85 PathProgramCache]: Analyzing trace with hash -280229174, now seen corresponding path program 1 times [2024-11-28 02:49:35,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:49:35,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937970053] [2024-11-28 02:49:35,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:49:35,839 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 02:49:35,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:49:35,841 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/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 02:49:35,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24874-dcdd-4ff7-836c-22334b6d7530/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-28 02:49:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:49:36,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 02:49:36,052 INFO L279 TraceCheckSpWp]: Computing forward predicates...