./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.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_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya --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 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:41:42,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:41:42,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-28 23:41:42,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:41:42,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:41:42,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:41:42,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:41:42,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:41:42,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:41:42,622 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:41:42,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:41:42,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:41:42,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:41:42,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:41:42,625 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:41:42,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:41:42,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:41:42,627 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:41:42,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:41:42,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:41:42,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:41:42,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:41:42,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:41:42,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:41:42,631 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:41:42,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:41:42,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:41:42,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:41:42,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:41:42,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:41:42,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:41:42,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:41:42,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:41:42,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:41:42,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:41:42,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:41:42,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 23:41:42,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:41:42,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:41:42,636 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:41:42,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:41:42,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:41:42,637 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_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f [2023-11-28 23:41:42,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:41:42,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:41:42,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:41:42,877 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:41:42,877 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:41:42,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2023-11-28 23:41:45,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:41:46,042 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:41:46,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2023-11-28 23:41:46,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/data/7abbad610/15755ba872304d828672e3ac377dc6db/FLAG980de35be [2023-11-28 23:41:46,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/data/7abbad610/15755ba872304d828672e3ac377dc6db [2023-11-28 23:41:46,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:41:46,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:41:46,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:41:46,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:41:46,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:41:46,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623c4232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46, skipping insertion in model container [2023-11-28 23:41:46,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,098 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:41:46,229 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_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2023-11-28 23:41:46,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:41:46,278 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:41:46,290 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_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2023-11-28 23:41:46,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:41:46,326 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:41:46,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46 WrapperNode [2023-11-28 23:41:46,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:41:46,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:41:46,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:41:46,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:41:46,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,371 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2023-11-28 23:41:46,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:41:46,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:41:46,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:41:46,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:41:46,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,384 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,397 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]. [2023-11-28 23:41:46,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:41:46,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:41:46,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:41:46,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:41:46,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46" (1/1) ... [2023-11-28 23:41:46,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:41:46,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:41:46,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:41:46,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:41:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:41:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 23:41:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 23:41:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 23:41:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:41:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:41:46,566 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:41:46,569 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:41:46,759 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:41:46,804 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:41:46,805 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 23:41:46,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:41:46 BoogieIcfgContainer [2023-11-28 23:41:46,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:41:46,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:41:46,809 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:41:46,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:41:46,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:41:46" (1/3) ... [2023-11-28 23:41:46,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a7c44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:41:46, skipping insertion in model container [2023-11-28 23:41:46,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:46" (2/3) ... [2023-11-28 23:41:46,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a7c44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:41:46, skipping insertion in model container [2023-11-28 23:41:46,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:41:46" (3/3) ... [2023-11-28 23:41:46,821 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-99.i [2023-11-28 23:41:46,842 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:41:46,842 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 23:41:46,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:41:46,896 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;@6aad01c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:41:46,896 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 23:41:46,900 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-28 23:41:46,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-28 23:41:46,911 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:41:46,911 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:41:46,912 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:41:46,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:41:46,918 INFO L85 PathProgramCache]: Analyzing trace with hash 682830900, now seen corresponding path program 1 times [2023-11-28 23:41:46,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:41:46,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905503316] [2023-11-28 23:41:46,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:41:46,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:41:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:41:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-28 23:41:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:41:47,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-28 23:41:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:41:47,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-28 23:41:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:41:47,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-28 23:41:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:41:47,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-28 23:41:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:41:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-28 23:41:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:41:47,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-28 23:41:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:41:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 23:41:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:41:47,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-28 23:41:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:41:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-28 23:41:47,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:41:47,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905503316] [2023-11-28 23:41:47,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905503316] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:41:47,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:41:47,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:41:47,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034514170] [2023-11-28 23:41:47,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:41:47,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 23:41:47,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:41:47,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 23:41:47,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:41:47,232 INFO L87 Difference]: Start difference. First operand has 34 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-28 23:41:47,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:41:47,271 INFO L93 Difference]: Finished difference Result 67 states and 108 transitions. [2023-11-28 23:41:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 23:41:47,274 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 61 [2023-11-28 23:41:47,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:41:47,282 INFO L225 Difference]: With dead ends: 67 [2023-11-28 23:41:47,283 INFO L226 Difference]: Without dead ends: 32 [2023-11-28 23:41:47,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:41:47,290 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:41:47,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:41:47,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-28 23:41:47,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-11-28 23:41:47,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-28 23:41:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2023-11-28 23:41:47,337 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 45 transitions. Word has length 61 [2023-11-28 23:41:47,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:41:47,337 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 45 transitions. [2023-11-28 23:41:47,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-28 23:41:47,338 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-11-28 23:41:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-28 23:41:47,341 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:41:47,342 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:41:47,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 23:41:47,342 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:41:47,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:41:47,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1183948138, now seen corresponding path program 1 times [2023-11-28 23:41:47,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:41:47,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823148376] [2023-11-28 23:41:47,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:41:47,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:41:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:41:47,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:41:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:41:47,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:41:47,551 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-28 23:41:47,553 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-28 23:41:47,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 23:41:47,558 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-28 23:41:47,562 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 23:41:47,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:41:47 BoogieIcfgContainer [2023-11-28 23:41:47,609 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 23:41:47,610 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 23:41:47,610 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 23:41:47,610 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 23:41:47,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:41:46" (3/4) ... [2023-11-28 23:41:47,613 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 23:41:47,614 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 23:41:47,615 INFO L158 Benchmark]: Toolchain (without parser) took 1545.87ms. Allocated memory is still 197.1MB. Free memory was 166.4MB in the beginning and 160.6MB in the end (delta: 5.7MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-11-28 23:41:47,616 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:41:47,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.75ms. Allocated memory is still 197.1MB. Free memory was 165.6MB in the beginning and 153.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-28 23:41:47,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.66ms. Allocated memory is still 197.1MB. Free memory was 153.8MB in the beginning and 152.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:41:47,618 INFO L158 Benchmark]: Boogie Preprocessor took 40.98ms. Allocated memory is still 197.1MB. Free memory was 151.7MB in the beginning and 149.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:41:47,618 INFO L158 Benchmark]: RCFGBuilder took 391.63ms. Allocated memory is still 197.1MB. Free memory was 149.6MB in the beginning and 134.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-28 23:41:47,619 INFO L158 Benchmark]: TraceAbstraction took 800.35ms. Allocated memory is still 197.1MB. Free memory was 134.2MB in the beginning and 160.6MB in the end (delta: -26.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-28 23:41:47,619 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 197.1MB. Free memory is still 160.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:41:47,622 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.75ms. Allocated memory is still 197.1MB. Free memory was 165.6MB in the beginning and 153.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.66ms. Allocated memory is still 197.1MB. Free memory was 153.8MB in the beginning and 152.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.98ms. Allocated memory is still 197.1MB. Free memory was 151.7MB in the beginning and 149.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.63ms. Allocated memory is still 197.1MB. Free memory was 149.6MB in the beginning and 134.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 800.35ms. Allocated memory is still 197.1MB. Free memory was 134.2MB in the beginning and 160.6MB in the end (delta: -26.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 197.1MB. Free memory is still 160.6MB. 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 someBinaryFLOATComparisonOperation at line 75, overapproximation of someUnaryDOUBLEoperation at line 43, overapproximation of someBinaryArithmeticDOUBLEoperation at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.5; [L23] unsigned char var_1_2 = 16; [L24] float var_1_4 = 1000000000000000.6; [L25] float var_1_5 = 500.5; [L26] float var_1_6 = 99999999999.5; [L27] double var_1_7 = 9.6; [L28] double var_1_8 = -0.2; [L29] double var_1_9 = 25.2; [L30] signed short int var_1_10 = 1; [L31] unsigned char var_1_11 = 0; [L32] signed long int var_1_15 = -64; [L79] isInitial = 1 [L80] FCALL initially() [L81] int k_loop; [L82] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=16, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L82] COND TRUE k_loop < 1 [L83] FCALL updateLastVariables() [L84] CALL updateVariables() [L55] var_1_2 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L56] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L57] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L57] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L58] var_1_4 = __VERIFIER_nondet_float() [L59] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L59] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L60] var_1_5 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L61] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L62] var_1_6 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5, var_1_9=126/5] [L63] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5, var_1_9=126/5] [L64] var_1_8 = __VERIFIER_nondet_double() [L65] 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, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5, var_1_9=126/5] [L65] 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, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5, var_1_9=126/5] [L66] var_1_9 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L67] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L68] var_1_11 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L69] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L70] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L70] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L84] RET updateVariables() [L85] CALL step() [L36] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); VAL [isInitial=1, stepLocal_0=8, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L37] COND TRUE (((((200) < (128)) ? (200) : (128))) - var_1_2) > stepLocal_0 [L38] var_1_1 = (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6) VAL [isInitial=1, stepLocal_0=8, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_7=48/5] [L42] COND TRUE var_1_5 >= (var_1_4 + var_1_6) [L43] var_1_7 = ((((var_1_8 + var_1_9) < 0 ) ? -(var_1_8 + var_1_9) : (var_1_8 + var_1_9))) VAL [isInitial=1, stepLocal_0=8, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_7=1000000000000005] [L45] COND FALSE !(((var_1_6 - var_1_4) + var_1_7) >= var_1_5) VAL [isInitial=1, stepLocal_0=8, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_7=1000000000000005] [L50] COND TRUE ((var_1_2 + var_1_15) + var_1_15) >= var_1_15 [L51] var_1_10 = var_1_2 VAL [isInitial=1, stepLocal_0=8, var_1_10=119, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_7=1000000000000005] [L85] RET step() [L86] CALL, EXPR property() [L75-L76] return (((((((((200) < (128)) ? (200) : (128))) - var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (var_1_1 == ((float) (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6))) : (var_1_1 == ((float) var_1_6))) && ((var_1_5 >= (var_1_4 + var_1_6)) ? (var_1_7 == ((double) ((((var_1_8 + var_1_9) < 0 ) ? -(var_1_8 + var_1_9) : (var_1_8 + var_1_9))))) : 1)) && ((((var_1_2 + var_1_15) + var_1_15) >= var_1_15) ? (var_1_10 == ((signed short int) var_1_2)) : 1)) && ((((var_1_6 - var_1_4) + var_1_7) >= var_1_5) ? (var_1_11 ? (var_1_15 == ((signed long int) 100)) : 1) : 1) ; [L86] RET, EXPR property() [L86] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=119, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_7=1000000000000005] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=119, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_7=1000000000000005] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 9, 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, 42 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 42 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 144/144 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 [2023-11-28 23:41:47,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/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_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya --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 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:41:49,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:41:49,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-28 23:41:49,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:41:49,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:41:49,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:41:49,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:41:49,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:41:49,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:41:49,836 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:41:49,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:41:49,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:41:49,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:41:49,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:41:49,839 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:41:49,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:41:49,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:41:49,841 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:41:49,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:41:49,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:41:49,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:41:49,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:41:49,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:41:49,844 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-28 23:41:49,845 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-28 23:41:49,845 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-28 23:41:49,846 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:41:49,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:41:49,847 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:41:49,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:41:49,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:41:49,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:41:49,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:41:49,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:41:49,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:41:49,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:41:49,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:41:49,850 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-28 23:41:49,850 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-28 23:41:49,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:41:49,850 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:41:49,851 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:41:49,851 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:41:49,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:41:49,851 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-28 23:41:49,852 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_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f [2023-11-28 23:41:50,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:41:50,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:41:50,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:41:50,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:41:50,170 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:41:50,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2023-11-28 23:41:53,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:41:53,205 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:41:53,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2023-11-28 23:41:53,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/data/a846bca2b/eab0d76929db457b900363e547277c2c/FLAGce9efda80 [2023-11-28 23:41:53,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/data/a846bca2b/eab0d76929db457b900363e547277c2c [2023-11-28 23:41:53,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:41:53,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:41:53,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:41:53,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:41:53,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:41:53,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb96020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53, skipping insertion in model container [2023-11-28 23:41:53,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:41:53,430 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_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2023-11-28 23:41:53,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:41:53,486 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:41:53,500 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_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2023-11-28 23:41:53,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:41:53,541 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:41:53,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53 WrapperNode [2023-11-28 23:41:53,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:41:53,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:41:53,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:41:53,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:41:53,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,604 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2023-11-28 23:41:53,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:41:53,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:41:53,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:41:53,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:41:53,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,638 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,650 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]. [2023-11-28 23:41:53,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:41:53,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:41:53,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:41:53,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:41:53,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53" (1/1) ... [2023-11-28 23:41:53,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:41:53,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:41:53,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:41:53,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:41:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:41:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-28 23:41:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 23:41:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 23:41:53,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:41:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:41:53,818 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:41:53,820 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:42:02,163 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:42:02,211 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:42:02,212 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 23:42:02,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:02 BoogieIcfgContainer [2023-11-28 23:42:02,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:42:02,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:42:02,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:42:02,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:42:02,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:41:53" (1/3) ... [2023-11-28 23:42:02,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592c7906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:42:02, skipping insertion in model container [2023-11-28 23:42:02,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:53" (2/3) ... [2023-11-28 23:42:02,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592c7906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:42:02, skipping insertion in model container [2023-11-28 23:42:02,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:02" (3/3) ... [2023-11-28 23:42:02,223 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-99.i [2023-11-28 23:42:02,238 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:42:02,238 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 23:42:02,292 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:42:02,298 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;@2b981faf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:42:02,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 23:42:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-28 23:42:02,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-28 23:42:02,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:42:02,313 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:42:02,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:42:02,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:42:02,320 INFO L85 PathProgramCache]: Analyzing trace with hash 682830900, now seen corresponding path program 1 times [2023-11-28 23:42:02,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:42:02,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931538289] [2023-11-28 23:42:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:42:02,333 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 [2023-11-28 23:42:02,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:42:02,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:42:02,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:42:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:42:02,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-28 23:42:02,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:42:02,761 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-11-28 23:42:02,762 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:42:02,762 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:42:02,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931538289] [2023-11-28 23:42:02,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931538289] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:42:02,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:42:02,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:42:02,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477169861] [2023-11-28 23:42:02,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:42:02,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 23:42:02,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:42:02,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 23:42:02,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:42:02,804 INFO L87 Difference]: Start difference. First operand has 34 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-28 23:42:06,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-28 23:42:06,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:42:06,976 INFO L93 Difference]: Finished difference Result 67 states and 108 transitions. [2023-11-28 23:42:06,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 23:42:06,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 61 [2023-11-28 23:42:06,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:42:06,984 INFO L225 Difference]: With dead ends: 67 [2023-11-28 23:42:06,985 INFO L226 Difference]: Without dead ends: 32 [2023-11-28 23:42:06,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:42:06,990 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:42:06,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-28 23:42:07,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-28 23:42:07,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-11-28 23:42:07,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-28 23:42:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2023-11-28 23:42:07,028 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 45 transitions. Word has length 61 [2023-11-28 23:42:07,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:42:07,028 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 45 transitions. [2023-11-28 23:42:07,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-28 23:42:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-11-28 23:42:07,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-28 23:42:07,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:42:07,032 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:42:07,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-28 23:42:07,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:42:07,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:42:07,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:42:07,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1183948138, now seen corresponding path program 1 times [2023-11-28 23:42:07,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:42:07,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035587827] [2023-11-28 23:42:07,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:42:07,244 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 [2023-11-28 23:42:07,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:42:07,245 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:42:07,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa2c68b-83ed-4a3e-8227-8c5573f72e6d/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:42:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:42:07,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-28 23:42:07,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:43:05,620 WARN L293 SmtUtils]: Spent 12.62s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-28 23:43:13,796 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:43:21,892 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:43:29,980 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:43:38,133 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:43:46,309 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:43:53,720 WARN L293 SmtUtils]: Spent 7.41s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:43:59,609 WARN L293 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:44:06,331 WARN L293 SmtUtils]: Spent 6.72s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:44:13,909 WARN L293 SmtUtils]: Spent 7.58s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:44:20,613 WARN L293 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:44:28,735 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:44:36,759 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:44:44,909 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:44:52,584 WARN L293 SmtUtils]: Spent 7.68s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:44:59,245 WARN L293 SmtUtils]: Spent 6.66s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:45:05,562 WARN L293 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:45:13,705 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:45:20,656 WARN L293 SmtUtils]: Spent 6.95s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:45:28,290 WARN L293 SmtUtils]: Spent 7.63s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:45:35,508 WARN L293 SmtUtils]: Spent 7.22s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:45:43,649 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:45:50,196 WARN L293 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:45:58,330 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:46:06,471 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:46:14,608 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:46:22,739 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:46:26,797 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode .cse4)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4)))) (and (not (fp.geq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_4~0)) c_~var_1_7~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0))) (fp.leq c_~var_1_5~0 .cse0) (bvsgt (bvadd (_ bv128 32) (bvneg ((_ zero_extend 24) c_~var_1_2~0))) (_ bv8 32)) (let ((.cse2 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (let ((.cse1 (fp.lt .cse2 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse1 (= c_~var_1_7~0 (fp.neg .cse2))) (and (= c_~var_1_7~0 .cse2) (not .cse1))))) (let ((.cse3 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_6~0))) (and (not .cse3) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0))))) (fp.geq c_~var_1_4~0 .cse4) (fp.leq c_~var_1_4~0 .cse0) (fp.geq c_~var_1_6~0 .cse4) (fp.geq c_~var_1_5~0 .cse4) (fp.leq c_~var_1_6~0 .cse0) (or (and (fp.geq c_~var_1_8~0 .cse5) (fp.leq c_~var_1_8~0 .cse6)) (and (fp.geq c_~var_1_8~0 .cse7) (fp.leq c_~var_1_8~0 .cse8))) (= (bvadd c_~var_1_15~0 (_ bv64 32)) (_ bv0 32)) (or (and (fp.leq c_~var_1_9~0 .cse8) (fp.geq c_~var_1_9~0 .cse7)) (and (fp.geq c_~var_1_9~0 .cse5) (fp.leq c_~var_1_9~0 .cse6))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-11-28 23:46:37,505 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:46:45,615 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:46:53,741 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:47:01,874 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:47:10,014 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:47:16,784 WARN L293 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:47:24,919 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:47:33,067 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:47:40,492 WARN L293 SmtUtils]: Spent 7.42s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:47:48,622 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:47:56,757 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:48:04,884 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:48:11,616 WARN L293 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:48:19,802 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:48:27,698 WARN L293 SmtUtils]: Spent 7.90s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:48:35,064 WARN L293 SmtUtils]: Spent 7.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:48:41,452 WARN L293 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:48:49,216 WARN L293 SmtUtils]: Spent 7.76s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:48:57,365 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:49:05,516 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:49:12,878 WARN L293 SmtUtils]: Spent 7.36s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:49:21,030 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:49:29,191 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:49:36,862 WARN L293 SmtUtils]: Spent 7.67s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:49:45,013 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:49:53,163 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:50:01,290 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:50:07,464 WARN L293 SmtUtils]: Spent 6.17s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:50:11,503 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_2~0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode .cse5)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse5)))) (and (not (fp.geq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_4~0)) c_~var_1_7~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0))) (fp.leq c_~var_1_5~0 .cse0) (bvsgt (bvadd (_ bv128 32) (bvneg .cse1)) (_ bv8 32)) (bvsge (bvadd (_ bv4294967168 32) .cse1) (_ bv4294967232 32)) (let ((.cse3 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (let ((.cse2 (fp.lt .cse3 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse2 (= c_~var_1_7~0 (fp.neg .cse3))) (and (= c_~var_1_7~0 .cse3) (not .cse2))))) (let ((.cse4 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_6~0))) (and (not .cse4) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0))))) (= c_~var_1_10~0 ((_ zero_extend 8) c_~var_1_2~0)) (fp.geq c_~var_1_4~0 .cse5) (fp.leq c_~var_1_4~0 .cse0) (fp.geq c_~var_1_6~0 .cse5) (fp.geq c_~var_1_5~0 .cse5) (fp.leq c_~var_1_6~0 .cse0) (or (and (fp.geq c_~var_1_8~0 .cse6) (fp.leq c_~var_1_8~0 .cse7)) (and (fp.geq c_~var_1_8~0 .cse8) (fp.leq c_~var_1_8~0 .cse9))) (= (bvadd c_~var_1_15~0 (_ bv64 32)) (_ bv0 32)) (or (and (fp.leq c_~var_1_9~0 .cse9) (fp.geq c_~var_1_9~0 .cse8)) (and (fp.geq c_~var_1_9~0 .cse6) (fp.leq c_~var_1_9~0 .cse7))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-11-28 23:50:15,543 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_2~0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode .cse5)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse5)))) (and (not (fp.geq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_4~0)) c_~var_1_7~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0))) (fp.leq c_~var_1_5~0 .cse0) (bvsgt (bvadd (_ bv128 32) (bvneg .cse1)) (_ bv8 32)) (bvsge (bvadd (_ bv4294967168 32) .cse1) (_ bv4294967232 32)) (let ((.cse3 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (let ((.cse2 (fp.lt .cse3 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse2 (= c_~var_1_7~0 (fp.neg .cse3))) (and (= c_~var_1_7~0 .cse3) (not .cse2))))) (let ((.cse4 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_6~0))) (and (not .cse4) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0))))) (= c_~var_1_10~0 ((_ zero_extend 8) c_~var_1_2~0)) (fp.geq c_~var_1_4~0 .cse5) (fp.leq c_~var_1_4~0 .cse0) (fp.geq c_~var_1_6~0 .cse5) (fp.geq c_~var_1_5~0 .cse5) (fp.leq c_~var_1_6~0 .cse0) (or (and (fp.geq c_~var_1_8~0 .cse6) (fp.leq c_~var_1_8~0 .cse7)) (and (fp.geq c_~var_1_8~0 .cse8) (fp.leq c_~var_1_8~0 .cse9))) (= (bvadd c_~var_1_15~0 (_ bv64 32)) (_ bv0 32)) (or (and (fp.leq c_~var_1_9~0 .cse9) (fp.geq c_~var_1_9~0 .cse8)) (and (fp.geq c_~var_1_9~0 .cse6) (fp.leq c_~var_1_9~0 .cse7))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-11-28 23:50:45,164 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:50:55,628 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:51:05,785 WARN L293 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:51:22,114 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:51:33,238 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:51:43,528 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:51:51,833 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:51:59,368 WARN L293 SmtUtils]: Spent 7.53s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:52:07,522 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:52:13,975 WARN L293 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:52:22,135 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:52:34,907 WARN L293 SmtUtils]: Spent 8.07s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:52:43,063 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:52:51,223 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:53:00,934 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:53:09,415 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:53:25,041 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:53:51,971 WARN L293 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:54:04,191 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:54:14,033 WARN L293 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:54:22,198 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:54:42,696 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:54:58,783 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:55:06,969 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:55:15,476 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:55:23,826 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:55:32,196 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:55:43,630 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:55:49,567 WARN L293 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:55:57,758 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:56:15,341 WARN L293 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:56:28,298 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:56:36,514 WARN L293 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:56:45,258 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-28 23:56:53,474 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)