./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU --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 a0fbbd00ac0039bfbb3768617efafb2a5ad8adfd11105fb1986a57626e1d1f67 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:06:13,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:06:13,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:06:13,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:06:13,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:06:13,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:06:13,730 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:06:13,730 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:06:13,731 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:06:13,732 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:06:13,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:06:13,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:06:13,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:06:13,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:06:13,734 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:06:13,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:06:13,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:06:13,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:06:13,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:06:13,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:06:13,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:06:13,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:06:13,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:06:13,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:06:13,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:06:13,743 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:06:13,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:06:13,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:06:13,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:06:13,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:06:13,744 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:06:13,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:06:13,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:13,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:06:13,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:06:13,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:06:13,747 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:06:13,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:06:13,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:06:13,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:06:13,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:06:13,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:06:13,748 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0fbbd00ac0039bfbb3768617efafb2a5ad8adfd11105fb1986a57626e1d1f67 [2024-10-31 22:06:14,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:06:14,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:06:14,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:06:14,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:06:14,039 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:06:14,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i Unable to find full path for "g++" [2024-10-31 22:06:16,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:06:16,315 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:06:16,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i [2024-10-31 22:06:16,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/data/166ce87ee/041e8e3ec1a048e89b6158a3887aca83/FLAG4b5ea5fdb [2024-10-31 22:06:16,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/data/166ce87ee/041e8e3ec1a048e89b6158a3887aca83 [2024-10-31 22:06:16,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:06:16,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:06:16,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:16,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:06:16,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:06:16,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:16" (1/1) ... [2024-10-31 22:06:16,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ee7426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:16, skipping insertion in model container [2024-10-31 22:06:16,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:16" (1/1) ... [2024-10-31 22:06:16,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:06:16,938 WARN L251 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_7ead421e-97c6-4459-9dfb-f06d7e368f5a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i[917,930] [2024-10-31 22:06:17,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:17,030 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:06:17,045 WARN L251 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_7ead421e-97c6-4459-9dfb-f06d7e368f5a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i[917,930] [2024-10-31 22:06:17,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:17,115 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:06:17,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17 WrapperNode [2024-10-31 22:06:17,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:17,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:17,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:06:17,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:06:17,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17" (1/1) ... [2024-10-31 22:06:17,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17" (1/1) ... [2024-10-31 22:06:17,191 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2024-10-31 22:06:17,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:17,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:06:17,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:06:17,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:06:17,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17" (1/1) ... [2024-10-31 22:06:17,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17" (1/1) ... [2024-10-31 22:06:17,213 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17" (1/1) ... [2024-10-31 22:06:17,237 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]. [2024-10-31 22:06:17,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17" (1/1) ... [2024-10-31 22:06:17,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17" (1/1) ... [2024-10-31 22:06:17,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17" (1/1) ... [2024-10-31 22:06:17,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17" (1/1) ... [2024-10-31 22:06:17,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17" (1/1) ... [2024-10-31 22:06:17,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17" (1/1) ... [2024-10-31 22:06:17,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:06:17,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:06:17,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:06:17,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:06:17,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17" (1/1) ... [2024-10-31 22:06:17,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:17,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:17,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:17,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:06:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:06:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:06:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:06:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:06:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:06:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:06:17,432 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:06:17,434 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:06:17,784 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-31 22:06:17,784 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:06:17,800 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:06:17,800 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:06:17,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:17 BoogieIcfgContainer [2024-10-31 22:06:17,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:06:17,805 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:06:17,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:06:17,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:06:17,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:06:16" (1/3) ... [2024-10-31 22:06:17,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550bbbc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:17, skipping insertion in model container [2024-10-31 22:06:17,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:17" (2/3) ... [2024-10-31 22:06:17,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550bbbc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:17, skipping insertion in model container [2024-10-31 22:06:17,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:17" (3/3) ... [2024-10-31 22:06:17,814 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-81.i [2024-10-31 22:06:17,834 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:06:17,834 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:06:17,911 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:06:17,917 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;@176b56d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:06:17,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:06:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:06:17,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-31 22:06:17,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:17,946 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:17,946 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:17,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:17,951 INFO L85 PathProgramCache]: Analyzing trace with hash -978126662, now seen corresponding path program 1 times [2024-10-31 22:06:17,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:17,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830616267] [2024-10-31 22:06:17,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:17,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:06:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:06:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:06:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:06:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:06:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:06:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-31 22:06:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-31 22:06:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-31 22:06:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 22:06:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 22:06:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-31 22:06:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-31 22:06:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:06:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-31 22:06:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:06:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:06:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:06:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,370 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-31 22:06:18,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:18,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830616267] [2024-10-31 22:06:18,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830616267] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:18,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:18,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:06:18,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897885209] [2024-10-31 22:06:18,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:18,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:06:18,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:18,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:06:18,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:06:18,408 INFO L87 Difference]: Start difference. First operand has 67 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:06:18,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:18,434 INFO L93 Difference]: Finished difference Result 127 states and 212 transitions. [2024-10-31 22:06:18,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:06:18,436 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 119 [2024-10-31 22:06:18,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:18,444 INFO L225 Difference]: With dead ends: 127 [2024-10-31 22:06:18,444 INFO L226 Difference]: Without dead ends: 63 [2024-10-31 22:06:18,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:06:18,451 INFO L432 NwaCegarLoop]: 93 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, 93 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 [2024-10-31 22:06:18,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:06:18,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-31 22:06:18,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-10-31 22:06:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:06:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 93 transitions. [2024-10-31 22:06:18,495 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 93 transitions. Word has length 119 [2024-10-31 22:06:18,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:18,496 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 93 transitions. [2024-10-31 22:06:18,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:06:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2024-10-31 22:06:18,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-31 22:06:18,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:18,500 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:18,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:06:18,500 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:18,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:18,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1362127102, now seen corresponding path program 1 times [2024-10-31 22:06:18,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:18,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549542598] [2024-10-31 22:06:18,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:18,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:06:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:06:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:06:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:06:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:06:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:06:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-31 22:06:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-31 22:06:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-31 22:06:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 22:06:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 22:06:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-31 22:06:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-31 22:06:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:06:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-31 22:06:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:06:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:06:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:06:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,003 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-31 22:06:19,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:19,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549542598] [2024-10-31 22:06:19,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549542598] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:19,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:19,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:06:19,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184907794] [2024-10-31 22:06:19,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:19,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:06:19,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:19,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:06:19,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:06:19,012 INFO L87 Difference]: Start difference. First operand 63 states and 93 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-31 22:06:19,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:19,308 INFO L93 Difference]: Finished difference Result 184 states and 274 transitions. [2024-10-31 22:06:19,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:06:19,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 119 [2024-10-31 22:06:19,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:19,311 INFO L225 Difference]: With dead ends: 184 [2024-10-31 22:06:19,312 INFO L226 Difference]: Without dead ends: 124 [2024-10-31 22:06:19,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:06:19,313 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 69 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:19,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 237 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:06:19,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-10-31 22:06:19,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 115. [2024-10-31 22:06:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 76 states have internal predecessors, (99), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-31 22:06:19,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 171 transitions. [2024-10-31 22:06:19,364 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 171 transitions. Word has length 119 [2024-10-31 22:06:19,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:19,364 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 171 transitions. [2024-10-31 22:06:19,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-31 22:06:19,368 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2024-10-31 22:06:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-31 22:06:19,370 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:19,370 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:19,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:06:19,370 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:19,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:19,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1925820695, now seen corresponding path program 1 times [2024-10-31 22:06:19,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:19,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807892199] [2024-10-31 22:06:19,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:19,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:06:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:06:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:06:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:06:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:06:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:06:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-31 22:06:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-31 22:06:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-31 22:06:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 22:06:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 22:06:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-31 22:06:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-31 22:06:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:06:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-31 22:06:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:06:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:06:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:06:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,939 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-31 22:06:19,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:19,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807892199] [2024-10-31 22:06:19,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807892199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:19,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:19,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:06:19,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214258459] [2024-10-31 22:06:19,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:19,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:06:19,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:19,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:06:19,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:06:19,946 INFO L87 Difference]: Start difference. First operand 115 states and 171 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-31 22:06:20,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:20,155 INFO L93 Difference]: Finished difference Result 197 states and 291 transitions. [2024-10-31 22:06:20,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:06:20,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 120 [2024-10-31 22:06:20,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:20,158 INFO L225 Difference]: With dead ends: 197 [2024-10-31 22:06:20,159 INFO L226 Difference]: Without dead ends: 124 [2024-10-31 22:06:20,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:06:20,161 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 61 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:20,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 245 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:06:20,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-10-31 22:06:20,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 115. [2024-10-31 22:06:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 76 states have internal predecessors, (97), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-31 22:06:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 169 transitions. [2024-10-31 22:06:20,185 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 169 transitions. Word has length 120 [2024-10-31 22:06:20,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:20,185 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 169 transitions. [2024-10-31 22:06:20,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-31 22:06:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 169 transitions. [2024-10-31 22:06:20,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-31 22:06:20,188 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:20,188 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:20,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:06:20,189 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:20,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:20,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1185159526, now seen corresponding path program 1 times [2024-10-31 22:06:20,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:20,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894329801] [2024-10-31 22:06:20,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:20,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:20,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:06:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:20,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:06:20,399 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:06:20,401 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:06:20,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:06:20,409 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-31 22:06:20,498 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:06:20,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:06:20 BoogieIcfgContainer [2024-10-31 22:06:20,502 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:06:20,503 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:06:20,503 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:06:20,503 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:06:20,504 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:17" (3/4) ... [2024-10-31 22:06:20,507 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:06:20,508 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:06:20,509 INFO L158 Benchmark]: Toolchain (without parser) took 3839.15ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 117.0MB in the beginning and 143.4MB in the end (delta: -26.5MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-10-31 22:06:20,509 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:06:20,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.73ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 101.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:06:20,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.91ms. Allocated memory is still 151.0MB. Free memory was 101.9MB in the beginning and 99.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:06:20,511 INFO L158 Benchmark]: Boogie Preprocessor took 68.97ms. Allocated memory is still 151.0MB. Free memory was 99.0MB in the beginning and 95.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:06:20,511 INFO L158 Benchmark]: RCFGBuilder took 535.43ms. Allocated memory is still 151.0MB. Free memory was 95.2MB in the beginning and 120.1MB in the end (delta: -24.9MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-10-31 22:06:20,512 INFO L158 Benchmark]: TraceAbstraction took 2697.53ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 119.3MB in the beginning and 143.4MB in the end (delta: -24.1MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2024-10-31 22:06:20,512 INFO L158 Benchmark]: Witness Printer took 5.39ms. Allocated memory is still 182.5MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:06:20,514 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.73ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 101.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.91ms. Allocated memory is still 151.0MB. Free memory was 101.9MB in the beginning and 99.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.97ms. Allocated memory is still 151.0MB. Free memory was 99.0MB in the beginning and 95.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 535.43ms. Allocated memory is still 151.0MB. Free memory was 95.2MB in the beginning and 120.1MB in the end (delta: -24.9MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2697.53ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 119.3MB in the beginning and 143.4MB in the end (delta: -24.1MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. * Witness Printer took 5.39ms. Allocated memory is still 182.5MB. Free memory is still 143.4MB. 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 someBinaryDOUBLEComparisonOperation at line 106, overapproximation of bitwiseOr at line 43, overapproximation of someBinaryArithmeticDOUBLEoperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9999.5; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 4.5; [L25] double var_1_4 = 2.5; [L26] double var_1_5 = 0.0; [L27] double var_1_6 = 999999999.3; [L28] signed char var_1_7 = -128; [L29] signed char var_1_11 = 16; [L30] signed char var_1_12 = 16; [L31] unsigned short int var_1_13 = 5; [L32] unsigned char var_1_14 = 1; [L33] unsigned short int var_1_15 = 16; [L34] unsigned short int var_1_16 = 32647; [L35] unsigned short int var_1_17 = 128; [L36] signed long int var_1_18 = -8; [L37] unsigned short int last_1_var_1_13 = 5; [L38] signed long int last_1_var_1_18 = -8; VAL [isInitial=0, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L102] last_1_var_1_13 = var_1_13 [L103] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L113] RET updateLastVariables() [L114] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L74] var_1_3 = __VERIFIER_nondet_double() [L75] 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, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L75] 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, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L76] var_1_4 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L77] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L78] var_1_5 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_5 >= 4611686.018427382800e+12F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_6=9999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_6=9999999993/10, var_1_7=-128] [L79] RET assume_abort_if_not((var_1_5 >= 4611686.018427382800e+12F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_6=9999999993/10, var_1_7=-128] [L80] var_1_6 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L81] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L82] var_1_11 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L83] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L84] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L84] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L85] var_1_12 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L86] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L87] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L87] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L88] var_1_14 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L89] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L90] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L90] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L91] var_1_15 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L92] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L93] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L93] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L94] var_1_16 = __VERIFIER_nondet_ushort() [L95] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L95] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L96] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L96] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L97] var_1_17 = __VERIFIER_nondet_ushort() [L98] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L98] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L99] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L99] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L114] RET updateVariables() [L115] CALL step() [L42] signed long int stepLocal_0 = (((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18)); VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L43] EXPR last_1_var_1_18 ^ last_1_var_1_13 VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L43] COND FALSE !(stepLocal_0 != (last_1_var_1_18 ^ last_1_var_1_13)) [L48] var_1_7 = ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-1] [L50] unsigned char stepLocal_1 = var_1_11 >= var_1_7; VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_1=1, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-1] [L51] COND FALSE !(stepLocal_1 && var_1_14) [L54] var_1_13 = ((var_1_16 - 5) + var_1_17) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-1] [L56] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_2=-1, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-1] [L57] COND FALSE !(stepLocal_2 > var_1_16) [L64] var_1_18 = var_1_15 VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=100, var_1_1=19999/2, var_1_2=1, var_1_7=-1] [L66] COND TRUE \read(var_1_2) [L67] var_1_1 = ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=100, var_1_1=1000000004, var_1_2=1, var_1_3=1000000004, var_1_7=-1] [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR (var_1_2 ? (var_1_1 == ((double) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18))) != (last_1_var_1_18 ^ last_1_var_1_13)) ? (var_1_2 ? (var_1_7 == ((signed char) (var_1_11 + var_1_12))) : 1) : (var_1_7 == ((signed char) ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=100, var_1_1=1000000004, var_1_2=1, var_1_3=1000000004, var_1_7=-1] [L106-L107] return (((var_1_2 ? (var_1_1 == ((double) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18))) != (last_1_var_1_18 ^ last_1_var_1_13)) ? (var_1_2 ? (var_1_7 == ((signed char) (var_1_11 + var_1_12))) : 1) : (var_1_7 == ((signed char) ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11))))))) && (((var_1_11 >= var_1_7) && var_1_14) ? (var_1_13 == ((unsigned short int) ((((var_1_15) < (100)) ? (var_1_15) : (100))))) : (var_1_13 == ((unsigned short int) ((var_1_16 - 5) + var_1_17))))) && ((var_1_7 > var_1_16) ? ((var_1_3 < (var_1_5 - var_1_6)) ? (var_1_18 == ((signed long int) ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) : (var_1_18 == ((signed long int) var_1_13))) : (var_1_18 == ((signed long int) var_1_15))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=100, var_1_1=1000000004, var_1_2=1, var_1_3=1000000004, var_1_7=-1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=100, var_1_1=1000000004, var_1_2=1, var_1_3=1000000004, var_1_7=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 575 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 314 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 261 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=2, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 480 NumberOfCodeBlocks, 480 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 355 ConstructedInterpolants, 0 QuantifiedInterpolants, 753 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1836/1836 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:06:20,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU --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 a0fbbd00ac0039bfbb3768617efafb2a5ad8adfd11105fb1986a57626e1d1f67 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:06:22,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:06:23,115 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:06:23,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:06:23,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:06:23,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:06:23,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:06:23,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:06:23,170 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:06:23,170 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:06:23,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:06:23,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:06:23,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:06:23,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:06:23,175 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:06:23,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:06:23,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:06:23,179 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:06:23,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:06:23,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:06:23,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:06:23,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:06:23,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:06:23,186 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:06:23,186 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:06:23,186 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:06:23,187 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:06:23,187 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:06:23,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:06:23,188 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:06:23,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:06:23,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:06:23,189 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:06:23,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:06:23,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:23,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:06:23,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:06:23,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:06:23,193 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:06:23,194 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:06:23,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:06:23,195 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:06:23,195 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:06:23,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:06:23,196 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:06:23,196 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0fbbd00ac0039bfbb3768617efafb2a5ad8adfd11105fb1986a57626e1d1f67 [2024-10-31 22:06:23,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:06:23,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:06:23,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:06:23,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:06:23,664 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:06:23,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i Unable to find full path for "g++" [2024-10-31 22:06:25,795 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:06:26,081 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:06:26,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i [2024-10-31 22:06:26,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/data/a5d743ceb/08c1f211a44f424997730a68190f9884/FLAG179948d11 [2024-10-31 22:06:26,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/data/a5d743ceb/08c1f211a44f424997730a68190f9884 [2024-10-31 22:06:26,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:06:26,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:06:26,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:26,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:06:26,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:06:26,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a15824b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26, skipping insertion in model container [2024-10-31 22:06:26,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:06:26,328 WARN L251 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_7ead421e-97c6-4459-9dfb-f06d7e368f5a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i[917,930] [2024-10-31 22:06:26,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:26,437 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:06:26,453 WARN L251 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_7ead421e-97c6-4459-9dfb-f06d7e368f5a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i[917,930] [2024-10-31 22:06:26,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:26,530 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:06:26,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26 WrapperNode [2024-10-31 22:06:26,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:26,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:26,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:06:26,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:06:26,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,597 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-10-31 22:06:26,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:26,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:06:26,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:06:26,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:06:26,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,616 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,643 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]. [2024-10-31 22:06:26,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:06:26,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:06:26,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:06:26,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:06:26,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26" (1/1) ... [2024-10-31 22:06:26,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:26,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:26,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:26,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:06:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:06:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:06:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:06:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:06:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:06:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:06:26,853 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:06:26,856 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:06:29,629 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-31 22:06:29,629 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:06:29,649 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:06:29,649 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:06:29,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:29 BoogieIcfgContainer [2024-10-31 22:06:29,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:06:29,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:06:29,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:06:29,663 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:06:29,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:06:26" (1/3) ... [2024-10-31 22:06:29,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb4b2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:29, skipping insertion in model container [2024-10-31 22:06:29,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:26" (2/3) ... [2024-10-31 22:06:29,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb4b2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:29, skipping insertion in model container [2024-10-31 22:06:29,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:29" (3/3) ... [2024-10-31 22:06:29,667 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-81.i [2024-10-31 22:06:29,687 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:06:29,688 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:06:29,783 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:06:29,792 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;@153f5c17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:06:29,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:06:29,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:06:29,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-31 22:06:29,814 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:29,815 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:29,816 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:29,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:29,825 INFO L85 PathProgramCache]: Analyzing trace with hash -15431121, now seen corresponding path program 1 times [2024-10-31 22:06:29,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:06:29,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901477543] [2024-10-31 22:06:29,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:29,846 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 [2024-10-31 22:06:29,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:06:29,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:06:29,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:06:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:30,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:06:30,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-10-31 22:06:30,446 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:06:30,446 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:06:30,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1901477543] [2024-10-31 22:06:30,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1901477543] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:30,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:30,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:06:30,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836753670] [2024-10-31 22:06:30,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:30,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:06:30,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:06:30,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:06:30,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:06:30,498 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:06:30,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:30,534 INFO L93 Difference]: Finished difference Result 105 states and 176 transitions. [2024-10-31 22:06:30,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:06:30,537 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-10-31 22:06:30,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:30,545 INFO L225 Difference]: With dead ends: 105 [2024-10-31 22:06:30,546 INFO L226 Difference]: Without dead ends: 52 [2024-10-31 22:06:30,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:06:30,553 INFO L432 NwaCegarLoop]: 75 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, 75 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 [2024-10-31 22:06:30,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:06:30,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-31 22:06:30,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-31 22:06:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:06:30,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-10-31 22:06:30,607 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 116 [2024-10-31 22:06:30,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:30,609 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-10-31 22:06:30,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:06:30,609 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-10-31 22:06:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-31 22:06:30,616 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:30,617 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:30,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/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)] Forceful destruction successful, exit code 0 [2024-10-31 22:06:30,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:06:30,822 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:30,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:30,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1317154585, now seen corresponding path program 1 times [2024-10-31 22:06:30,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:06:30,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473576403] [2024-10-31 22:06:30,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:30,824 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 [2024-10-31 22:06:30,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:06:30,828 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:06:30,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:06:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:31,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:06:31,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-31 22:06:32,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:06:32,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:06:32,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473576403] [2024-10-31 22:06:32,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473576403] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:32,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:32,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:06:32,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103393894] [2024-10-31 22:06:32,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:32,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:06:32,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:06:32,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:06:32,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:06:32,815 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-31 22:06:35,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 22:06:36,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 22:06:36,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:36,184 INFO L93 Difference]: Finished difference Result 151 states and 220 transitions. [2024-10-31 22:06:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:06:36,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 116 [2024-10-31 22:06:36,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:36,202 INFO L225 Difference]: With dead ends: 151 [2024-10-31 22:06:36,202 INFO L226 Difference]: Without dead ends: 102 [2024-10-31 22:06:36,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:36,204 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 41 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:36,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 236 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-31 22:06:36,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-10-31 22:06:36,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 88. [2024-10-31 22:06:36,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 49 states have (on average 1.1428571428571428) internal successors, (56), 49 states have internal predecessors, (56), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-31 22:06:36,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 128 transitions. [2024-10-31 22:06:36,236 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 128 transitions. Word has length 116 [2024-10-31 22:06:36,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:36,237 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 128 transitions. [2024-10-31 22:06:36,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-31 22:06:36,237 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 128 transitions. [2024-10-31 22:06:36,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-31 22:06:36,240 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:36,240 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:36,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:06:36,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:06:36,441 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:36,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:36,444 INFO L85 PathProgramCache]: Analyzing trace with hash 2144427370, now seen corresponding path program 1 times [2024-10-31 22:06:36,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:06:36,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932201996] [2024-10-31 22:06:36,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:36,446 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 [2024-10-31 22:06:36,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:06:36,451 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:06:36,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead421e-97c6-4459-9dfb-f06d7e368f5a/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-31 22:06:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:36,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-31 22:06:36,817 INFO L278 TraceCheckSpWp]: Computing forward predicates...