./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme --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 629029cd9dd00c6bf198e5b7caf4dc49b05a3b2642ee9ed809aec148707dec90 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:44:57,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:44:57,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:44:57,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:44:57,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:44:57,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:44:57,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:44:57,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:44:57,318 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:44:57,324 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:44:57,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:44:57,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:44:57,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:44:57,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:44:57,329 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:44:57,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:44:57,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:44:57,331 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:44:57,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:44:57,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:44:57,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:44:57,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:44:57,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:44:57,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:44:57,335 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:44:57,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:44:57,336 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:44:57,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:44:57,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:44:57,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:44:57,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:44:57,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:44:57,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:44:57,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:44:57,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:44:57,341 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:44:57,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:44:57,342 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:44:57,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:44:57,342 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:44:57,342 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:44:57,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:44:57,343 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_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 629029cd9dd00c6bf198e5b7caf4dc49b05a3b2642ee9ed809aec148707dec90 [2023-11-26 11:44:57,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:44:57,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:44:57,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:44:57,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:44:57,692 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:44:57,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i [2023-11-26 11:45:00,879 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:45:01,125 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:45:01,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i [2023-11-26 11:45:01,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/data/dcb0db288/8864ac649ec144e29af10b8daa59d99e/FLAG76ae9ca2b [2023-11-26 11:45:01,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/data/dcb0db288/8864ac649ec144e29af10b8daa59d99e [2023-11-26 11:45:01,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:45:01,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:45:01,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:45:01,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:45:01,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:45:01,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db65698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01, skipping insertion in model container [2023-11-26 11:45:01,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:45:01,402 WARN L240 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_6f33984e-c673-4caa-b8eb-43fcccf11dd4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i[917,930] [2023-11-26 11:45:01,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:45:01,504 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:45:01,518 WARN L240 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_6f33984e-c673-4caa-b8eb-43fcccf11dd4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i[917,930] [2023-11-26 11:45:01,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:45:01,570 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:45:01,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01 WrapperNode [2023-11-26 11:45:01,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:45:01,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:45:01,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:45:01,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:45:01,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,621 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2023-11-26 11:45:01,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:45:01,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:45:01,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:45:01,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:45:01,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,639 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,653 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]. [2023-11-26 11:45:01,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:45:01,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:45:01,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:45:01,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:45:01,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01" (1/1) ... [2023-11-26 11:45:01,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:45:01,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:45:01,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:45:01,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:45:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:45:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:45:01,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:45:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:45:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:45:01,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:45:01,917 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:45:01,929 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:45:02,343 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:45:02,440 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:45:02,440 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:45:02,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:02 BoogieIcfgContainer [2023-11-26 11:45:02,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:45:02,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:45:02,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:45:02,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:45:02,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:45:01" (1/3) ... [2023-11-26 11:45:02,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5334d7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:45:02, skipping insertion in model container [2023-11-26 11:45:02,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:01" (2/3) ... [2023-11-26 11:45:02,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5334d7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:45:02, skipping insertion in model container [2023-11-26 11:45:02,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:02" (3/3) ... [2023-11-26 11:45:02,463 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-51.i [2023-11-26 11:45:02,481 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:45:02,481 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:45:02,533 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:45:02,540 INFO L357 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, mHoare=true, 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;@6ca28e6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:45:02,540 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:45:02,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 11:45:02,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-26 11:45:02,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:45:02,562 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:45:02,563 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:45:02,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:02,569 INFO L85 PathProgramCache]: Analyzing trace with hash 126418153, now seen corresponding path program 1 times [2023-11-26 11:45:02,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:02,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600968764] [2023-11-26 11:45:02,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:02,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:02,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:02,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600968764] [2023-11-26 11:45:02,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 11:45:02,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539147787] [2023-11-26 11:45:02,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:02,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:45:02,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:45:02,853 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:45:02,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:45:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:03,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:45:03,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:45:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-26 11:45:03,107 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:45:03,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539147787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:03,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:03,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:45:03,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911678773] [2023-11-26 11:45:03,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:03,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:45:03,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:03,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:45:03,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:45:03,157 INFO L87 Difference]: Start difference. First operand has 50 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 11:45:03,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:45:03,217 INFO L93 Difference]: Finished difference Result 97 states and 171 transitions. [2023-11-26 11:45:03,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:45:03,219 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 115 [2023-11-26 11:45:03,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:45:03,226 INFO L225 Difference]: With dead ends: 97 [2023-11-26 11:45:03,226 INFO L226 Difference]: Without dead ends: 48 [2023-11-26 11:45:03,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:45:03,233 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:45:03,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:45:03,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-26 11:45:03,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-26 11:45:03,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 11:45:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 71 transitions. [2023-11-26 11:45:03,277 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 71 transitions. Word has length 115 [2023-11-26 11:45:03,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:45:03,278 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 71 transitions. [2023-11-26 11:45:03,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 11:45:03,279 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2023-11-26 11:45:03,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-26 11:45:03,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:45:03,282 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:45:03,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:45:03,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:45:03,487 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:45:03,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:03,488 INFO L85 PathProgramCache]: Analyzing trace with hash 508080759, now seen corresponding path program 1 times [2023-11-26 11:45:03,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:03,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177076826] [2023-11-26 11:45:03,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:03,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:03,553 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:45:03,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [695540730] [2023-11-26 11:45:03,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:03,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:45:03,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:45:03,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:45:03,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:45:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:45:03,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:45:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:45:04,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:45:04,071 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:45:04,073 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:45:04,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:45:04,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:45:04,284 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:45:04,287 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:45:04,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:45:04 BoogieIcfgContainer [2023-11-26 11:45:04,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:45:04,411 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:45:04,412 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:45:04,412 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:45:04,412 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:02" (3/4) ... [2023-11-26 11:45:04,415 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:45:04,416 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:45:04,417 INFO L158 Benchmark]: Toolchain (without parser) took 3251.18ms. Allocated memory is still 157.3MB. Free memory was 114.2MB in the beginning and 115.2MB in the end (delta: -1.1MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2023-11-26 11:45:04,417 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:45:04,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.87ms. Allocated memory is still 157.3MB. Free memory was 113.8MB in the beginning and 101.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:45:04,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.11ms. Allocated memory is still 157.3MB. Free memory was 101.3MB in the beginning and 99.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:45:04,419 INFO L158 Benchmark]: Boogie Preprocessor took 50.73ms. Allocated memory is still 157.3MB. Free memory was 99.2MB in the beginning and 97.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:45:04,422 INFO L158 Benchmark]: RCFGBuilder took 767.34ms. Allocated memory is still 157.3MB. Free memory was 96.8MB in the beginning and 126.5MB in the end (delta: -29.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 11:45:04,424 INFO L158 Benchmark]: TraceAbstraction took 1967.35ms. Allocated memory is still 157.3MB. Free memory was 125.6MB in the beginning and 115.2MB in the end (delta: 10.4MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2023-11-26 11:45:04,432 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 157.3MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:45:04,436 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.87ms. Allocated memory is still 157.3MB. Free memory was 113.8MB in the beginning and 101.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.11ms. Allocated memory is still 157.3MB. Free memory was 101.3MB in the beginning and 99.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.73ms. Allocated memory is still 157.3MB. Free memory was 99.2MB in the beginning and 97.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 767.34ms. Allocated memory is still 157.3MB. Free memory was 96.8MB in the beginning and 126.5MB in the end (delta: -29.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1967.35ms. Allocated memory is still 157.3MB. Free memory was 125.6MB in the beginning and 115.2MB in the end (delta: 10.4MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 157.3MB. Free memory is still 115.2MB. 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 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_5 = -16; [L25] double var_1_6 = 100.01; [L26] double var_1_7 = 999999999.4; [L27] double var_1_8 = 10.6; [L28] double var_1_9 = 127.5; [L29] unsigned long int var_1_10 = 1; [L30] unsigned long int var_1_11 = 2467894503; [L31] unsigned long int var_1_12 = 2565572511; [L32] unsigned long int var_1_13 = 500; [L33] unsigned long int var_1_15 = 2277019112; [L34] unsigned long int var_1_16 = 2745650083; [L35] unsigned long int var_1_17 = 8; [L36] unsigned long int last_1_var_1_17 = 8; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] CALL updateLastVariables() [L99] last_1_var_1_17 = var_1_17 [L109] RET updateLastVariables() [L110] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L70] var_1_5 = __VERIFIER_nondet_short() [L71] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L71] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L72] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L72] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L73] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L73] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L74] var_1_6 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L75] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L76] var_1_7 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_8=53/5, var_1_9=255/2] [L77] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_8=53/5, var_1_9=255/2] [L78] var_1_8 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_9=255/2] [L79] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767, var_1_9=255/2] [L80] var_1_9 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L81] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L82] var_1_11 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L83] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L84] CALL assume_abort_if_not(var_1_11 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L84] RET assume_abort_if_not(var_1_11 <= 4294967295) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L85] var_1_12 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L86] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L87] CALL assume_abort_if_not(var_1_12 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L87] RET assume_abort_if_not(var_1_12 <= 4294967295) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L88] var_1_13 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L90] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L90] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L91] var_1_15 = __VERIFIER_nondet_ulong() [L92] CALL assume_abort_if_not(var_1_15 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L92] RET assume_abort_if_not(var_1_15 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L93] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L93] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L94] var_1_16 = __VERIFIER_nondet_ulong() [L95] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L95] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L96] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L96] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L110] RET updateVariables() [L111] CALL step() [L40] unsigned long int stepLocal_1 = - last_1_var_1_17; VAL [isInitial=1, last_1_var_1_17=8, stepLocal_1=4294967288, var_1_10=1, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L41] COND TRUE (((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))) - var_1_13) != stepLocal_1 [L42] var_1_10 = (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))) - var_1_13) VAL [isInitial=1, last_1_var_1_17=8, stepLocal_1=4294967288, var_1_10=4294967292, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L46] COND TRUE var_1_10 <= var_1_10 VAL [isInitial=1, last_1_var_1_17=8, stepLocal_1=4294967288, var_1_10=4294967292, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L47] COND FALSE !(var_1_2 && (var_1_10 == ((((var_1_16) > (var_1_12)) ? (var_1_16) : (var_1_12))))) VAL [isInitial=1, last_1_var_1_17=8, stepLocal_1=4294967288, var_1_10=4294967292, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L55] unsigned long int stepLocal_0 = var_1_10; VAL [isInitial=1, last_1_var_1_17=8, stepLocal_0=4294967292, stepLocal_1=4294967288, var_1_10=4294967292, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=32767] [L56] COND FALSE !(\read(var_1_2)) [L63] var_1_1 = var_1_8 VAL [isInitial=1, last_1_var_1_17=8, stepLocal_0=4294967292, stepLocal_1=4294967288, var_1_10=4294967292, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=2, var_1_2=0, var_1_5=32767, var_1_8=2] [L111] RET step() [L112] CALL, EXPR property() [L102-L103] return ((var_1_2 ? ((var_1_10 >= (var_1_10 / var_1_5)) ? (var_1_1 == ((double) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) : (var_1_1 == ((double) (var_1_7 + ((((var_1_8) > ((var_1_9 + 63.25))) ? (var_1_8) : ((var_1_9 + 63.25)))))))) : (var_1_1 == ((double) var_1_8))) && (((((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))) - var_1_13) != (- last_1_var_1_17)) ? (var_1_10 == ((unsigned long int) (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))) - var_1_13))) : (var_1_10 == ((unsigned long int) var_1_15)))) && ((var_1_10 <= var_1_10) ? ((var_1_2 && (var_1_10 == ((((var_1_16) > (var_1_12)) ? (var_1_16) : (var_1_12))))) ? ((var_1_10 < var_1_11) ? (var_1_17 == ((unsigned long int) var_1_15)) : 1) : 1) : (var_1_17 == ((unsigned long int) var_1_16))) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=8, var_1_10=4294967292, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=2, var_1_2=0, var_1_5=32767, var_1_8=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=8, var_1_10=4294967292, var_1_11=2147483647, var_1_12=4294967291, var_1_13=2, var_1_15=4294967294, var_1_16=4294967294, var_1_17=8, var_1_1=2, var_1_2=0, var_1_5=32767, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 68 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 262 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 684/684 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 [2023-11-26 11:45:04,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme --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 629029cd9dd00c6bf198e5b7caf4dc49b05a3b2642ee9ed809aec148707dec90 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:45:07,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:45:07,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:45:07,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:45:07,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:45:07,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:45:07,364 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:45:07,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:45:07,366 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:45:07,366 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:45:07,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:45:07,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:45:07,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:45:07,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:45:07,370 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:45:07,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:45:07,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:45:07,372 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:45:07,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:45:07,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:45:07,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:45:07,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:45:07,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:45:07,379 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:45:07,380 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:45:07,380 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:45:07,381 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:45:07,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:45:07,381 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:45:07,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:45:07,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:45:07,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:45:07,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:45:07,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:45:07,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:45:07,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:45:07,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:45:07,384 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:45:07,385 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:45:07,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:45:07,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:45:07,385 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:45:07,386 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:45:07,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:45:07,386 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:45:07,386 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_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 629029cd9dd00c6bf198e5b7caf4dc49b05a3b2642ee9ed809aec148707dec90 [2023-11-26 11:45:07,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:45:07,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:45:07,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:45:07,893 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:45:07,893 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:45:07,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i [2023-11-26 11:45:11,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:45:11,417 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:45:11,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i [2023-11-26 11:45:11,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/data/cd5326a59/48ee012726144218b539627aba556b0d/FLAGf92eb504b [2023-11-26 11:45:11,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/data/cd5326a59/48ee012726144218b539627aba556b0d [2023-11-26 11:45:11,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:45:11,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:45:11,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:45:11,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:45:11,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:45:11,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c52d665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11, skipping insertion in model container [2023-11-26 11:45:11,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:45:11,652 WARN L240 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_6f33984e-c673-4caa-b8eb-43fcccf11dd4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i[917,930] [2023-11-26 11:45:11,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:45:11,715 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:45:11,729 WARN L240 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_6f33984e-c673-4caa-b8eb-43fcccf11dd4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i[917,930] [2023-11-26 11:45:11,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:45:11,791 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:45:11,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11 WrapperNode [2023-11-26 11:45:11,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:45:11,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:45:11,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:45:11,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:45:11,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,844 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-26 11:45:11,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:45:11,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:45:11,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:45:11,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:45:11,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,880 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,932 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]. [2023-11-26 11:45:11,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:45:11,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:45:11,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:45:11,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:45:11,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11" (1/1) ... [2023-11-26 11:45:11,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:45:12,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:45:12,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:45:12,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:45:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:45:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:45:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:45:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:45:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:45:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:45:12,164 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:45:12,167 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:45:13,699 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:45:13,759 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:45:13,759 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:45:13,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:13 BoogieIcfgContainer [2023-11-26 11:45:13,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:45:13,762 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:45:13,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:45:13,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:45:13,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:45:11" (1/3) ... [2023-11-26 11:45:13,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e91a316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:45:13, skipping insertion in model container [2023-11-26 11:45:13,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:11" (2/3) ... [2023-11-26 11:45:13,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e91a316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:45:13, skipping insertion in model container [2023-11-26 11:45:13,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:13" (3/3) ... [2023-11-26 11:45:13,775 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-51.i [2023-11-26 11:45:13,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:45:13,798 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:45:13,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:45:13,860 INFO L357 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, mHoare=true, 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;@39b13f16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:45:13,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:45:13,865 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 11:45:13,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-26 11:45:13,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:45:13,883 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:45:13,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:45:13,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:13,891 INFO L85 PathProgramCache]: Analyzing trace with hash 126418153, now seen corresponding path program 1 times [2023-11-26 11:45:13,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:45:13,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888917028] [2023-11-26 11:45:13,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:13,931 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 [2023-11-26 11:45:13,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:45:13,934 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:45:13,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:45:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:14,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:45:14,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:45:14,543 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-26 11:45:14,547 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:45:14,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:45:14,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888917028] [2023-11-26 11:45:14,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888917028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:14,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:14,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:45:14,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681024032] [2023-11-26 11:45:14,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:14,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:45:14,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:45:14,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:45:14,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:45:14,605 INFO L87 Difference]: Start difference. First operand has 50 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 11:45:15,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:45:15,322 INFO L93 Difference]: Finished difference Result 97 states and 171 transitions. [2023-11-26 11:45:15,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:45:15,343 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 115 [2023-11-26 11:45:15,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:45:15,350 INFO L225 Difference]: With dead ends: 97 [2023-11-26 11:45:15,350 INFO L226 Difference]: Without dead ends: 48 [2023-11-26 11:45:15,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:45:15,358 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-26 11:45:15,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-26 11:45:15,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-26 11:45:15,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-26 11:45:15,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 11:45:15,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 71 transitions. [2023-11-26 11:45:15,405 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 71 transitions. Word has length 115 [2023-11-26 11:45:15,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:45:15,406 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 71 transitions. [2023-11-26 11:45:15,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 11:45:15,406 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2023-11-26 11:45:15,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-26 11:45:15,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:45:15,410 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:45:15,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-26 11:45:15,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:45:15,619 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:45:15,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:15,620 INFO L85 PathProgramCache]: Analyzing trace with hash 508080759, now seen corresponding path program 1 times [2023-11-26 11:45:15,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:45:15,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469853077] [2023-11-26 11:45:15,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:15,622 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 [2023-11-26 11:45:15,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:45:15,623 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:45:15,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33984e-c673-4caa-b8eb-43fcccf11dd4/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:45:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:15,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-26 11:45:16,008 INFO L285 TraceCheckSpWp]: Computing forward predicates...