./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu --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 0fa54214fa0e14b4541009c1f03168f6186b3667ce3e38d42d4698c79af003be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:43:57,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:43:57,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:43:57,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:43:57,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:43:57,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:43:57,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:43:57,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:43:57,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:43:57,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:43:57,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:43:57,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:43:57,274 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:43:57,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:43:57,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:43:57,277 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:43:57,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:43:57,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:43:57,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:43:57,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:43:57,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:43:57,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:43:57,283 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:43:57,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:43:57,284 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:43:57,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:43:57,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:43:57,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:43:57,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:43:57,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:43:57,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:43:57,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:43:57,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:43:57,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:43:57,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:43:57,290 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:43:57,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:43:57,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:43:57,291 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:43:57,291 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_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa54214fa0e14b4541009c1f03168f6186b3667ce3e38d42d4698c79af003be [2023-11-19 07:43:57,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:43:57,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:43:57,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:43:57,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:43:57,707 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:43:57,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i [2023-11-19 07:44:00,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:01,261 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:01,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i [2023-11-19 07:44:01,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/data/643ccbf46/f8916bc9cf5d417d9c3f393dc644b8a7/FLAG8030b75a3 [2023-11-19 07:44:01,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/data/643ccbf46/f8916bc9cf5d417d9c3f393dc644b8a7 [2023-11-19 07:44:01,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:01,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:01,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:01,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:01,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:01,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:01" (1/1) ... [2023-11-19 07:44:01,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14ab8bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01, skipping insertion in model container [2023-11-19 07:44:01,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:01" (1/1) ... [2023-11-19 07:44:01,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:44:01,481 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_cc891eee-f19c-4493-9782-3f28f68b6452/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i[917,930] [2023-11-19 07:44:01,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:01,545 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:44:01,558 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_cc891eee-f19c-4493-9782-3f28f68b6452/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i[917,930] [2023-11-19 07:44:01,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:01,605 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:44:01,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01 WrapperNode [2023-11-19 07:44:01,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:01,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:01,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:44:01,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:44:01,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01" (1/1) ... [2023-11-19 07:44:01,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01" (1/1) ... [2023-11-19 07:44:01,674 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2023-11-19 07:44:01,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:01,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:44:01,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:44:01,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:44:01,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01" (1/1) ... [2023-11-19 07:44:01,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01" (1/1) ... [2023-11-19 07:44:01,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01" (1/1) ... [2023-11-19 07:44:01,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01" (1/1) ... [2023-11-19 07:44:01,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01" (1/1) ... [2023-11-19 07:44:01,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01" (1/1) ... [2023-11-19 07:44:01,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01" (1/1) ... [2023-11-19 07:44:01,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01" (1/1) ... [2023-11-19 07:44:01,757 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:44:01,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:44:01,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:44:01,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:44:01,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01" (1/1) ... [2023-11-19 07:44:01,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:01,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:01,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:01,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:44:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:44:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:44:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:44:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:44:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:44:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:44:01,973 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:44:01,976 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:44:02,424 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:44:02,433 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:44:02,433 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:44:02,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:02 BoogieIcfgContainer [2023-11-19 07:44:02,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:44:02,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:44:02,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:44:02,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:44:02,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:01" (1/3) ... [2023-11-19 07:44:02,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f6ec1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:02, skipping insertion in model container [2023-11-19 07:44:02,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:01" (2/3) ... [2023-11-19 07:44:02,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f6ec1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:02, skipping insertion in model container [2023-11-19 07:44:02,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:02" (3/3) ... [2023-11-19 07:44:02,450 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-45.i [2023-11-19 07:44:02,469 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:44:02,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:44:02,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:44:02,527 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;@57179018, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:44:02,528 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:44:02,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 07:44:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 07:44:02,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:02,553 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:02,554 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:02,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:02,560 INFO L85 PathProgramCache]: Analyzing trace with hash 529893324, now seen corresponding path program 1 times [2023-11-19 07:44:02,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:02,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446372337] [2023-11-19 07:44:02,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:02,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:02,791 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:44:02,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [110492035] [2023-11-19 07:44:02,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:02,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:02,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:02,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:02,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:44:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:03,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:44:03,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:03,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 07:44:03,172 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:44:03,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:03,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446372337] [2023-11-19 07:44:03,173 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:44:03,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110492035] [2023-11-19 07:44:03,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110492035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:03,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:03,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:44:03,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295055693] [2023-11-19 07:44:03,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:03,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:44:03,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:03,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:44:03,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:44:03,229 INFO L87 Difference]: Start difference. First operand has 63 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 07:44:03,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:03,272 INFO L93 Difference]: Finished difference Result 119 states and 209 transitions. [2023-11-19 07:44:03,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:44:03,275 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 152 [2023-11-19 07:44:03,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:44:03,285 INFO L225 Difference]: With dead ends: 119 [2023-11-19 07:44:03,286 INFO L226 Difference]: Without dead ends: 59 [2023-11-19 07:44:03,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:44:03,294 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:44:03,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:44:03,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-19 07:44:03,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-19 07:44:03,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 07:44:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2023-11-19 07:44:03,355 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 152 [2023-11-19 07:44:03,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:44:03,362 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2023-11-19 07:44:03,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 07:44:03,362 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2023-11-19 07:44:03,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 07:44:03,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:03,367 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:03,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:03,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:03,568 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:03,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:03,569 INFO L85 PathProgramCache]: Analyzing trace with hash 475310127, now seen corresponding path program 1 times [2023-11-19 07:44:03,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:03,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865879451] [2023-11-19 07:44:03,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:03,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:03,650 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:44:03,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613373198] [2023-11-19 07:44:03,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:03,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:03,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:03,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:03,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:44:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:03,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:44:03,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 679 proven. 69 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2023-11-19 07:44:04,511 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:44:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 69 proven. 72 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-19 07:44:04,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:04,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865879451] [2023-11-19 07:44:04,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:44:04,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613373198] [2023-11-19 07:44:04,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613373198] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:44:04,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:44:04,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2023-11-19 07:44:05,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609322616] [2023-11-19 07:44:05,000 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:44:05,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:44:05,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:05,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:44:05,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:44:05,009 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-19 07:44:06,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:06,349 INFO L93 Difference]: Finished difference Result 268 states and 373 transitions. [2023-11-19 07:44:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-19 07:44:06,359 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 153 [2023-11-19 07:44:06,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:44:06,364 INFO L225 Difference]: With dead ends: 268 [2023-11-19 07:44:06,364 INFO L226 Difference]: Without dead ends: 212 [2023-11-19 07:44:06,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 294 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=578, Invalid=1584, Unknown=0, NotChecked=0, Total=2162 [2023-11-19 07:44:06,368 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 263 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:44:06,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 292 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:44:06,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-11-19 07:44:06,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 68. [2023-11-19 07:44:06,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 39 states have internal predecessors, (44), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 07:44:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2023-11-19 07:44:06,440 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 153 [2023-11-19 07:44:06,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:44:06,443 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2023-11-19 07:44:06,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-19 07:44:06,443 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2023-11-19 07:44:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 07:44:06,453 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:06,454 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:06,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:06,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:06,669 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:06,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:06,670 INFO L85 PathProgramCache]: Analyzing trace with hash 477157169, now seen corresponding path program 1 times [2023-11-19 07:44:06,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:06,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708767141] [2023-11-19 07:44:06,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:06,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:06,746 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:44:06,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031860980] [2023-11-19 07:44:06,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:06,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:06,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:06,752 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:06,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:44:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:06,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:07,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:07,075 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:44:07,076 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:44:07,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:07,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:07,304 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:44:07,309 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:44:07,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:44:07 BoogieIcfgContainer [2023-11-19 07:44:07,430 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:44:07,431 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:44:07,431 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:44:07,431 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:44:07,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:02" (3/4) ... [2023-11-19 07:44:07,434 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:44:07,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:44:07,438 INFO L158 Benchmark]: Toolchain (without parser) took 6148.79ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 98.5MB in the beginning and 105.8MB in the end (delta: -7.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2023-11-19 07:44:07,445 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 144.7MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:44:07,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.76ms. Allocated memory is still 144.7MB. Free memory was 98.0MB in the beginning and 85.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:44:07,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.73ms. Allocated memory is still 144.7MB. Free memory was 85.3MB in the beginning and 82.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:07,446 INFO L158 Benchmark]: Boogie Preprocessor took 70.20ms. Allocated memory is still 144.7MB. Free memory was 82.4MB in the beginning and 80.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:07,447 INFO L158 Benchmark]: RCFGBuilder took 680.46ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 80.8MB in the beginning and 178.1MB in the end (delta: -97.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-19 07:44:07,450 INFO L158 Benchmark]: TraceAbstraction took 4988.84ms. Allocated memory is still 209.7MB. Free memory was 177.1MB in the beginning and 105.8MB in the end (delta: 71.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2023-11-19 07:44:07,451 INFO L158 Benchmark]: Witness Printer took 6.24ms. Allocated memory is still 209.7MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:44:07,453 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 144.7MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.76ms. Allocated memory is still 144.7MB. Free memory was 98.0MB in the beginning and 85.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.73ms. Allocated memory is still 144.7MB. Free memory was 85.3MB in the beginning and 82.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.20ms. Allocated memory is still 144.7MB. Free memory was 82.4MB in the beginning and 80.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.46ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 80.8MB in the beginning and 178.1MB in the end (delta: -97.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4988.84ms. Allocated memory is still 209.7MB. Free memory was 177.1MB in the beginning and 105.8MB in the end (delta: 71.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Witness Printer took 6.24ms. Allocated memory is still 209.7MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryArithmeticDOUBLEoperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 999999.2; [L23] unsigned short int var_1_2 = 5; [L24] signed long int var_1_4 = -2; [L25] double var_1_6 = 0.0; [L26] double var_1_7 = 5.9; [L27] double var_1_8 = 255.6; [L28] float var_1_9 = 25.5; [L29] unsigned char var_1_10 = 0; [L30] float var_1_11 = 0.0; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 0; [L34] unsigned char var_1_15 = 0; [L35] unsigned char var_1_16 = 1; [L36] unsigned char var_1_17 = 1; [L37] unsigned char var_1_18 = 64; [L38] signed char var_1_19 = -10; [L39] unsigned char var_1_20 = 5; [L40] unsigned char last_1_var_1_18 = 64; VAL [isInitial=0, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_2=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] CALL updateLastVariables() [L105] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_2=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L115] RET updateLastVariables() [L116] CALL updateVariables() [L64] var_1_2 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L65] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L66] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L66] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L67] var_1_4 = __VERIFIER_nondet_long() [L68] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L68] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L69] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L69] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L70] var_1_6 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_6 >= 4611686.018427382800e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L71] RET assume_abort_if_not((var_1_6 >= 4611686.018427382800e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L72] var_1_7 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=1278/5, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=1278/5, var_1_9=51/2] [L73] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=1278/5, var_1_9=51/2] [L74] var_1_8 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L75] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L76] var_1_10 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L77] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L78] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L78] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L79] var_1_11 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L80] RET assume_abort_if_not((var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L81] var_1_13 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L82] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L83] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L83] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L84] var_1_14 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L85] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L86] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L86] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L87] var_1_15 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L88] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L89] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L89] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L90] var_1_16 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L91] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L92] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L92] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L93] var_1_17 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L94] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L95] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L95] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L96] var_1_19 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_19 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L97] RET assume_abort_if_not(var_1_19 >= -128) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L98] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L98] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L99] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L99] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L100] var_1_20 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=31, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=31, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L101] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=31, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L102] CALL assume_abort_if_not(var_1_20 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=31, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=31, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L102] RET assume_abort_if_not(var_1_20 <= 254) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=31, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L116] RET updateVariables() [L117] CALL step() [L44] COND TRUE ((var_1_2 + var_1_4) / var_1_19) != last_1_var_1_18 [L45] var_1_18 = var_1_20 VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_1=4999996/5, var_1_20=31, var_1_2=1, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L47] COND TRUE (var_1_18 / 32) < (((((var_1_18 + var_1_18)) < (var_1_18)) ? ((var_1_18 + var_1_18)) : (var_1_18))) [L48] var_1_1 = ((var_1_6 - var_1_7) - var_1_8) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_20=31, var_1_2=1, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L52] COND TRUE var_1_18 == var_1_18 VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_20=31, var_1_2=1, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L53] COND TRUE \read(var_1_10) [L54] var_1_12 = (var_1_13 || var_1_14) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_20=31, var_1_2=1, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L59] COND FALSE !(\read(var_1_12)) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_20=31, var_1_2=1, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L117] RET step() [L118] CALL, EXPR property() [L108-L109] return (((((var_1_18 / 32) < (((((var_1_18 + var_1_18)) < (var_1_18)) ? ((var_1_18 + var_1_18)) : (var_1_18)))) ? (var_1_1 == ((double) ((var_1_6 - var_1_7) - var_1_8))) : (var_1_1 == ((double) (var_1_8 - var_1_7)))) && (var_1_12 ? (var_1_9 == ((float) (((((var_1_8) < (var_1_6)) ? (var_1_8) : (var_1_6))) - (var_1_11 - 0.8f)))) : 1)) && ((var_1_18 == var_1_18) ? (var_1_10 ? (var_1_12 == ((unsigned char) (var_1_13 || var_1_14))) : (var_1_12 == ((unsigned char) (((var_1_8 >= var_1_1) || var_1_15) && ((var_1_13 || var_1_16) && var_1_17))))) : 1)) && ((((var_1_2 + var_1_4) / var_1_19) != last_1_var_1_18) ? (var_1_18 == ((unsigned char) var_1_20)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_20=31, var_1_2=1, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_20=31, var_1_2=1, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_20=31, var_1_2=1, var_1_4=0, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 3, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 275 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 263 mSDsluCounter, 379 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 189 mSDsCounter, 223 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 392 IncrementalHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 223 mSolverCounterUnsat, 190 mSDtfsCounter, 392 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 492 GetRequests, 445 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=2, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 144 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 455 ConstructedInterpolants, 0 QuantifiedInterpolants, 1474 SizeOfPredicates, 5 NumberOfNonLiveVariables, 687 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 3459/3600 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 [2023-11-19 07:44:07,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu --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 0fa54214fa0e14b4541009c1f03168f6186b3667ce3e38d42d4698c79af003be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:44:10,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:44:10,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:44:10,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:44:10,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:44:10,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:44:10,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:44:10,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:44:10,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:44:10,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:44:10,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:44:10,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:44:10,453 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:44:10,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:44:10,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:44:10,456 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:44:10,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:44:10,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:44:10,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:44:10,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:44:10,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:44:10,460 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:44:10,460 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:44:10,461 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:44:10,461 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:44:10,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:44:10,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:44:10,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:44:10,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:44:10,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:44:10,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:10,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:44:10,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:44:10,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:44:10,467 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:44:10,467 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:44:10,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:44:10,468 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:44:10,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:44:10,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:44:10,470 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:44:10,470 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:44:10,470 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_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa54214fa0e14b4541009c1f03168f6186b3667ce3e38d42d4698c79af003be [2023-11-19 07:44:10,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:44:10,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:44:10,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:44:10,972 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:44:10,973 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:44:10,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i [2023-11-19 07:44:14,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:14,524 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:14,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i [2023-11-19 07:44:14,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/data/0a68401e4/359b7cccaf5344e1a52239eed9f151db/FLAGfe6a697d0 [2023-11-19 07:44:14,560 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/data/0a68401e4/359b7cccaf5344e1a52239eed9f151db [2023-11-19 07:44:14,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:14,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:14,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:14,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:14,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:14,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:14,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24edcee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14, skipping insertion in model container [2023-11-19 07:44:14,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:14,627 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:44:14,841 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_cc891eee-f19c-4493-9782-3f28f68b6452/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i[917,930] [2023-11-19 07:44:14,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:14,912 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:44:14,926 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_cc891eee-f19c-4493-9782-3f28f68b6452/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i[917,930] [2023-11-19 07:44:14,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:14,974 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:44:14,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14 WrapperNode [2023-11-19 07:44:14,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:14,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:14,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:44:14,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:44:14,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:15,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:15,044 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2023-11-19 07:44:15,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:15,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:44:15,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:44:15,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:44:15,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:15,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:15,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:15,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:15,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:15,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:15,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:15,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:15,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:44:15,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:44:15,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:44:15,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:44:15,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:15,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:15,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:15,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:15,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:44:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:44:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:44:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:44:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:44:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:44:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:44:15,351 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:44:15,353 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:44:20,147 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:44:20,157 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:44:20,157 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:44:20,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:20 BoogieIcfgContainer [2023-11-19 07:44:20,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:44:20,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:44:20,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:44:20,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:44:20,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:14" (1/3) ... [2023-11-19 07:44:20,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb4b2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:20, skipping insertion in model container [2023-11-19 07:44:20,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14" (2/3) ... [2023-11-19 07:44:20,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb4b2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:20, skipping insertion in model container [2023-11-19 07:44:20,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:20" (3/3) ... [2023-11-19 07:44:20,173 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-45.i [2023-11-19 07:44:20,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:44:20,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:44:20,247 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:44:20,254 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;@281a2261, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:44:20,254 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:44:20,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 07:44:20,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 07:44:20,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:20,279 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:20,279 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:20,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:20,285 INFO L85 PathProgramCache]: Analyzing trace with hash 529893324, now seen corresponding path program 1 times [2023-11-19 07:44:20,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:44:20,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2044140891] [2023-11-19 07:44:20,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:20,302 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 [2023-11-19 07:44:20,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:44:20,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:44:20,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:44:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:21,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:44:21,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:21,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 07:44:21,145 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:44:21,145 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:44:21,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2044140891] [2023-11-19 07:44:21,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2044140891] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:21,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:21,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:44:21,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698663943] [2023-11-19 07:44:21,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:21,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:44:21,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:44:21,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:44:21,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:44:21,189 INFO L87 Difference]: Start difference. First operand has 63 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 07:44:21,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:21,227 INFO L93 Difference]: Finished difference Result 119 states and 209 transitions. [2023-11-19 07:44:21,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:44:21,229 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 152 [2023-11-19 07:44:21,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:44:21,240 INFO L225 Difference]: With dead ends: 119 [2023-11-19 07:44:21,240 INFO L226 Difference]: Without dead ends: 59 [2023-11-19 07:44:21,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:44:21,249 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:44:21,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:44:21,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-19 07:44:21,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-19 07:44:21,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 07:44:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2023-11-19 07:44:21,300 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 152 [2023-11-19 07:44:21,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:44:21,303 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2023-11-19 07:44:21,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 07:44:21,304 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2023-11-19 07:44:21,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 07:44:21,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:21,308 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:21,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 07:44:21,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:44:21,510 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:21,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:21,511 INFO L85 PathProgramCache]: Analyzing trace with hash 475310127, now seen corresponding path program 1 times [2023-11-19 07:44:21,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:44:21,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1289630172] [2023-11-19 07:44:21,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:21,512 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 [2023-11-19 07:44:21,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:44:21,514 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:44:21,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:44:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:22,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:44:22,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 679 proven. 69 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2023-11-19 07:44:24,070 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:44:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 69 proven. 72 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-19 07:44:25,392 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:44:25,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1289630172] [2023-11-19 07:44:25,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1289630172] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:44:25,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:44:25,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2023-11-19 07:44:25,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948245839] [2023-11-19 07:44:25,400 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:44:25,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 07:44:25,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:44:25,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 07:44:25,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:44:25,413 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-19 07:44:29,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:31,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:33,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:35,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:37,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:39,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:41,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:43,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:45,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:47,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:49,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:51,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:53,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:53,219 INFO L93 Difference]: Finished difference Result 199 states and 279 transitions. [2023-11-19 07:44:53,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-19 07:44:53,221 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 153 [2023-11-19 07:44:53,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:44:53,226 INFO L225 Difference]: With dead ends: 199 [2023-11-19 07:44:53,226 INFO L226 Difference]: Without dead ends: 143 [2023-11-19 07:44:53,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2023-11-19 07:44:53,230 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 184 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 121 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:44:53,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 267 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 335 Invalid, 12 Unknown, 0 Unchecked, 26.6s Time] [2023-11-19 07:44:53,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-19 07:44:53,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 68. [2023-11-19 07:44:53,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 39 states have internal predecessors, (44), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 07:44:53,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2023-11-19 07:44:53,260 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 153 [2023-11-19 07:44:53,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:44:53,261 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2023-11-19 07:44:53,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-19 07:44:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2023-11-19 07:44:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 07:44:53,265 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:53,265 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:53,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:53,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:44:53,489 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:53,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:53,490 INFO L85 PathProgramCache]: Analyzing trace with hash 477157169, now seen corresponding path program 1 times [2023-11-19 07:44:53,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:44:53,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061389801] [2023-11-19 07:44:53,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:53,492 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 [2023-11-19 07:44:53,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:44:53,494 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:44:53,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc891eee-f19c-4493-9782-3f28f68b6452/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 07:44:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:54,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 07:44:54,153 INFO L285 TraceCheckSpWp]: Computing forward predicates...