./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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 10a5d9ba28fc165cfaae4fdbd64ca86f9d1271dd94f7e86756ae9bbf811b41f0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:47,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:47,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:04:47,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:47,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:47,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:47,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:47,993 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:47,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:48,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:48,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:48,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:48,003 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:48,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:48,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:48,006 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:04:48,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:48,007 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:04:48,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:48,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:48,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:48,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:48,009 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:04:48,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:48,012 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:48,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:48,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:48,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:48,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:48,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:48,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:48,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:48,017 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:04:48,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:04:48,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:48,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:48,018 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:48,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:48,018 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:48,019 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_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a5d9ba28fc165cfaae4fdbd64ca86f9d1271dd94f7e86756ae9bbf811b41f0 [2023-11-19 08:04:48,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:48,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:48,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:48,362 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:48,362 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:48,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i [2023-11-19 08:04:51,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:51,946 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:51,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i [2023-11-19 08:04:51,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/data/6816e663b/a67ef5de9b5743199adbcfd71693d20d/FLAG3af7ce958 [2023-11-19 08:04:51,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/data/6816e663b/a67ef5de9b5743199adbcfd71693d20d [2023-11-19 08:04:51,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:51,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:51,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:51,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:51,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:51,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:51" (1/1) ... [2023-11-19 08:04:51,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610d8ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51, skipping insertion in model container [2023-11-19 08:04:51,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:51" (1/1) ... [2023-11-19 08:04:52,034 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:52,178 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_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i[916,929] [2023-11-19 08:04:52,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:52,245 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:52,257 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_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i[916,929] [2023-11-19 08:04:52,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:52,296 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:52,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52 WrapperNode [2023-11-19 08:04:52,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:52,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:52,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:52,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:52,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52" (1/1) ... [2023-11-19 08:04:52,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52" (1/1) ... [2023-11-19 08:04:52,353 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2023-11-19 08:04:52,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:52,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:52,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:52,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:52,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52" (1/1) ... [2023-11-19 08:04:52,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52" (1/1) ... [2023-11-19 08:04:52,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52" (1/1) ... [2023-11-19 08:04:52,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52" (1/1) ... [2023-11-19 08:04:52,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52" (1/1) ... [2023-11-19 08:04:52,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52" (1/1) ... [2023-11-19 08:04:52,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52" (1/1) ... [2023-11-19 08:04:52,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52" (1/1) ... [2023-11-19 08:04:52,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:52,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:52,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:52,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:52,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52" (1/1) ... [2023-11-19 08:04:52,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:52,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:52,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:52,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:04:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:04:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:04:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:52,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:52,533 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:52,535 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:52,836 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:52,846 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:52,849 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:04:52,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:52 BoogieIcfgContainer [2023-11-19 08:04:52,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:52,860 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:52,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:52,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:52,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:51" (1/3) ... [2023-11-19 08:04:52,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3d7a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:52, skipping insertion in model container [2023-11-19 08:04:52,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52" (2/3) ... [2023-11-19 08:04:52,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3d7a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:52, skipping insertion in model container [2023-11-19 08:04:52,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:52" (3/3) ... [2023-11-19 08:04:52,867 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-25.i [2023-11-19 08:04:52,889 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:52,890 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:04:52,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:04:52,945 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;@7adf54c9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:04:52,945 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:04:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:04:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 08:04:52,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:52,977 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:52,978 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:52,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:52,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1300205119, now seen corresponding path program 1 times [2023-11-19 08:04:52,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:52,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84421790] [2023-11-19 08:04:52,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:52,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:04:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 08:04:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 08:04:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 08:04:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 08:04:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:04:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:04:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 08:04:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 08:04:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 08:04:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 08:04:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:04:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 08:04:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 08:04:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 08:04:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 08:04:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 08:04:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 08:04:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 08:04:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-19 08:04:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,557 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-19 08:04:53,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:53,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84421790] [2023-11-19 08:04:53,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84421790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:53,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:53,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:04:53,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482627375] [2023-11-19 08:04:53,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:53,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:04:53,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:53,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:04:53,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:04:53,613 INFO L87 Difference]: Start difference. First operand has 58 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 08:04:53,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:53,668 INFO L93 Difference]: Finished difference Result 109 states and 188 transitions. [2023-11-19 08:04:53,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:04:53,670 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2023-11-19 08:04:53,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:53,678 INFO L225 Difference]: With dead ends: 109 [2023-11-19 08:04:53,678 INFO L226 Difference]: Without dead ends: 54 [2023-11-19 08:04:53,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 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 08:04:53,685 INFO L413 NwaCegarLoop]: 80 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, 80 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 08:04:53,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:53,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-19 08:04:53,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-19 08:04:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:04:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions. [2023-11-19 08:04:53,731 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 125 [2023-11-19 08:04:53,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:53,732 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 80 transitions. [2023-11-19 08:04:53,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 08:04:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2023-11-19 08:04:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 08:04:53,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:53,737 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:53,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:04:53,738 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:53,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:53,739 INFO L85 PathProgramCache]: Analyzing trace with hash -8922687, now seen corresponding path program 1 times [2023-11-19 08:04:53,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:53,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101054765] [2023-11-19 08:04:53,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:53,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:04:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 08:04:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 08:04:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 08:04:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 08:04:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:04:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:04:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 08:04:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 08:04:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 08:04:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 08:04:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:04:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 08:04:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 08:04:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 08:04:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 08:04:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 08:04:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 08:04:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 08:04:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-19 08:04:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-19 08:04:55,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:55,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101054765] [2023-11-19 08:04:55,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101054765] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:04:55,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086422779] [2023-11-19 08:04:55,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:55,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:55,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:55,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:55,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:04:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 08:04:55,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:55,525 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-19 08:04:55,525 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:55,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086422779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:55,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:04:55,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 10 [2023-11-19 08:04:55,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360109087] [2023-11-19 08:04:55,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:55,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 08:04:55,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:55,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 08:04:55,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:04:55,536 INFO L87 Difference]: Start difference. First operand 54 states and 80 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 08:04:56,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:56,070 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2023-11-19 08:04:56,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 08:04:56,071 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2023-11-19 08:04:56,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:56,074 INFO L225 Difference]: With dead ends: 115 [2023-11-19 08:04:56,074 INFO L226 Difference]: Without dead ends: 64 [2023-11-19 08:04:56,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 162 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2023-11-19 08:04:56,077 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 119 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:56,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 176 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:04:56,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-19 08:04:56,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2023-11-19 08:04:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:04:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 85 transitions. [2023-11-19 08:04:56,105 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 85 transitions. Word has length 125 [2023-11-19 08:04:56,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:56,106 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 85 transitions. [2023-11-19 08:04:56,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 08:04:56,107 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2023-11-19 08:04:56,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-19 08:04:56,110 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:56,110 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:56,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:56,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:56,331 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:56,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:56,332 INFO L85 PathProgramCache]: Analyzing trace with hash -859300006, now seen corresponding path program 1 times [2023-11-19 08:04:56,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:56,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565969296] [2023-11-19 08:04:56,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:56,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:56,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:04:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:56,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:04:56,626 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:04:56,627 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:04:56,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:04:56,632 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 08:04:56,636 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:04:56,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:04:56 BoogieIcfgContainer [2023-11-19 08:04:56,721 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:04:56,721 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:04:56,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:04:56,722 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:04:56,722 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:52" (3/4) ... [2023-11-19 08:04:56,724 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:04:56,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:04:56,726 INFO L158 Benchmark]: Toolchain (without parser) took 4754.16ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 128.2MB in the beginning and 164.6MB in the end (delta: -36.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-19 08:04:56,727 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory was 80.5MB in the beginning and 80.5MB in the end (delta: 87.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:56,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.08ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 115.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:04:56,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.05ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 113.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:04:56,728 INFO L158 Benchmark]: Boogie Preprocessor took 31.98ms. Allocated memory is still 159.4MB. Free memory was 113.0MB in the beginning and 111.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:56,729 INFO L158 Benchmark]: RCFGBuilder took 470.39ms. Allocated memory is still 159.4MB. Free memory was 111.4MB in the beginning and 95.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 08:04:56,729 INFO L158 Benchmark]: TraceAbstraction took 3861.27ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 95.2MB in the beginning and 164.6MB in the end (delta: -69.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:56,730 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 224.4MB. Free memory was 164.6MB in the beginning and 164.6MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:56,732 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory was 80.5MB in the beginning and 80.5MB in the end (delta: 87.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.08ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 115.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.05ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 113.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.98ms. Allocated memory is still 159.4MB. Free memory was 113.0MB in the beginning and 111.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 470.39ms. Allocated memory is still 159.4MB. Free memory was 111.4MB in the beginning and 95.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3861.27ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 95.2MB in the beginning and 164.6MB in the end (delta: -69.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 224.4MB. Free memory was 164.6MB in the beginning and 164.6MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. 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 to_int at line 105, overapproximation of someBinaryFLOATComparisonOperation at line 105. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 256; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 10; [L25] unsigned short int var_1_4 = 500; [L26] unsigned long int var_1_5 = 0; [L27] unsigned long int var_1_6 = 1509114200; [L28] unsigned long int var_1_7 = 10; [L29] signed long int var_1_8 = 128; [L30] signed long int var_1_9 = 63; [L31] signed long int var_1_10 = 4; [L32] signed long int var_1_11 = 25; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 0; [L35] unsigned char var_1_14 = 1; VAL [isInitial=0, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L109] isInitial = 1 [L110] FCALL initially() [L111] COND TRUE 1 [L112] FCALL updateLastVariables() [L113] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L74] var_1_3 = __VERIFIER_nondet_ushort() [L75] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L75] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L76] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L76] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L77] var_1_4 = __VERIFIER_nondet_ushort() [L78] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L78] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L79] CALL assume_abort_if_not(var_1_4 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L79] RET assume_abort_if_not(var_1_4 <= 65535) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L80] var_1_5 = __VERIFIER_nondet_ulong() [L81] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L81] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L82] CALL assume_abort_if_not(var_1_5 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L82] RET assume_abort_if_not(var_1_5 <= 1073741823) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L83] var_1_6 = __VERIFIER_nondet_ulong() [L84] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=10, var_1_8=128, var_1_9=63] [L84] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=10, var_1_8=128, var_1_9=63] [L85] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=10, var_1_8=128, var_1_9=63] [L85] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=10, var_1_8=128, var_1_9=63] [L86] var_1_7 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=63] [L87] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=63] [L88] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=63] [L88] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=63] [L89] var_1_9 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L90] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L91] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L91] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L92] var_1_10 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L93] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L94] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L94] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L95] var_1_13 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L96] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L97] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L97] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L98] var_1_14 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L99] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L100] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L113] RET updateVariables() [L114] CALL step() [L39] COND FALSE !(var_1_9 != var_1_10) [L46] var_1_12 = var_1_14 VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L48] unsigned short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=5, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L49] COND TRUE \read(var_1_12) VAL [isInitial=1, stepLocal_0=5, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L50] COND TRUE stepLocal_0 <= var_1_4 [L51] var_1_1 = (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) + (var_1_6 - var_1_7)) VAL [isInitial=1, stepLocal_0=5, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=5, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L56] unsigned long int stepLocal_1 = var_1_1; VAL [isInitial=1, stepLocal_0=5, stepLocal_1=5, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=5, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=128, var_1_9=4] [L57] COND TRUE var_1_7 >= stepLocal_1 [L58] var_1_8 = ((((0.5f) < (var_1_9)) ? (0.5f) : (var_1_9))) VAL [isInitial=1, stepLocal_0=5, stepLocal_1=5, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=5, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_9=4] [L62] COND TRUE var_1_10 >= ((((((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) < (var_1_8)) ? (((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) : (var_1_8))) [L63] var_1_11 = var_1_10 VAL [isInitial=1, stepLocal_0=5, stepLocal_1=5, var_1_10=4, var_1_11=4, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=5, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_9=4] [L114] RET step() [L115] CALL, EXPR property() [L105-L106] return (((var_1_12 ? ((var_1_3 <= var_1_4) ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) + (var_1_6 - var_1_7)))) : 1) : (var_1_1 == ((unsigned long int) var_1_7))) && ((var_1_7 >= var_1_1) ? (var_1_8 == ((signed long int) ((((0.5f) < (var_1_9)) ? (0.5f) : (var_1_9))))) : (var_1_8 == ((signed long int) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))))) && ((var_1_10 >= ((((((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) < (var_1_8)) ? (((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) : (var_1_8)))) ? (var_1_11 == ((signed long int) var_1_10)) : ((! (var_1_7 <= var_1_6)) ? (var_1_11 == ((signed long int) var_1_9)) : 1))) && ((var_1_9 != var_1_10) ? ((var_1_2 || var_1_13) ? (var_1_12 == ((unsigned char) (var_1_13 || var_1_14))) : (var_1_12 == ((unsigned char) var_1_14))) : (var_1_12 == ((unsigned char) var_1_14))) ; VAL [\result=0, isInitial=1, var_1_10=4, var_1_11=4, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=5, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=1509114202, var_1_9=4] [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=4, var_1_11=4, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=5, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=1509114202, var_1_9=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=4, var_1_11=4, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=5, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=1509114202, var_1_9=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 256 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 199 IncrementalHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 132 mSDtfsCounter, 199 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 372 ConstructedInterpolants, 0 QuantifiedInterpolants, 546 SizeOfPredicates, 4 NumberOfNonLiveVariables, 288 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2277/2280 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 08:04:56,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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 10a5d9ba28fc165cfaae4fdbd64ca86f9d1271dd94f7e86756ae9bbf811b41f0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:59,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:59,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:04:59,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:59,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:59,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:59,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:59,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:59,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:59,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:59,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:59,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:59,679 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:59,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:59,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:59,682 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:04:59,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:04:59,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:59,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:59,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:59,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:59,686 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:04:59,686 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:04:59,687 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:04:59,687 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:04:59,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:59,688 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:59,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:59,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:59,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:59,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:59,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:59,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:59,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:59,693 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:04:59,693 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:04:59,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:59,693 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:59,694 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:59,695 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:59,695 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:04:59,695 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:59,695 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_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a5d9ba28fc165cfaae4fdbd64ca86f9d1271dd94f7e86756ae9bbf811b41f0 [2023-11-19 08:05:00,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:00,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:00,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:00,129 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:00,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:00,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i [2023-11-19 08:05:03,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:03,614 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:03,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i [2023-11-19 08:05:03,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/data/0193d3991/39ff63d481264661ac7abb3642ce92f2/FLAGfa67a3bb6 [2023-11-19 08:05:03,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/data/0193d3991/39ff63d481264661ac7abb3642ce92f2 [2023-11-19 08:05:03,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:03,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:03,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:03,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:03,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:03,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:03" (1/1) ... [2023-11-19 08:05:03,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71bf3acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03, skipping insertion in model container [2023-11-19 08:05:03,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:03" (1/1) ... [2023-11-19 08:05:03,700 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:03,903 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_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i[916,929] [2023-11-19 08:05:03,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:04,017 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:04,035 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_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i[916,929] [2023-11-19 08:05:04,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:04,079 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:04,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04 WrapperNode [2023-11-19 08:05:04,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:04,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:04,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:04,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:04,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,167 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2023-11-19 08:05:04,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:04,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:04,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:04,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:04,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,227 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:04,228 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:04,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:04,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:04,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:04,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:04,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:04,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:05:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:05:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:05:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:04,437 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:04,440 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:10,587 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:10,605 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:10,606 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:05:10,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:10 BoogieIcfgContainer [2023-11-19 08:05:10,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:10,617 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:05:10,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:05:10,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:05:10,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:03" (1/3) ... [2023-11-19 08:05:10,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c3ed09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:10, skipping insertion in model container [2023-11-19 08:05:10,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (2/3) ... [2023-11-19 08:05:10,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c3ed09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:10, skipping insertion in model container [2023-11-19 08:05:10,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:10" (3/3) ... [2023-11-19 08:05:10,629 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-25.i [2023-11-19 08:05:10,655 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:05:10,656 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:05:10,740 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:05:10,748 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;@56bb9465, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:05:10,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:05:10,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:05:10,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 08:05:10,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:10,779 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:10,781 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:10,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:10,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1300205119, now seen corresponding path program 1 times [2023-11-19 08:05:10,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:10,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709763437] [2023-11-19 08:05:10,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:10,807 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 08:05:10,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:10,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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 08:05:10,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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 08:05:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:11,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:05:11,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-11-19 08:05:11,240 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:11,241 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:11,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709763437] [2023-11-19 08:05:11,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709763437] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:11,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:11,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:05:11,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537144052] [2023-11-19 08:05:11,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:11,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:05:11,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:11,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:05:11,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:05:11,302 INFO L87 Difference]: Start difference. First operand has 58 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 08:05:11,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:11,353 INFO L93 Difference]: Finished difference Result 109 states and 188 transitions. [2023-11-19 08:05:11,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:05:11,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2023-11-19 08:05:11,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:11,366 INFO L225 Difference]: With dead ends: 109 [2023-11-19 08:05:11,366 INFO L226 Difference]: Without dead ends: 54 [2023-11-19 08:05:11,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 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 08:05:11,376 INFO L413 NwaCegarLoop]: 80 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, 80 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 08:05:11,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:11,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-19 08:05:11,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-19 08:05:11,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:05:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions. [2023-11-19 08:05:11,442 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 125 [2023-11-19 08:05:11,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:11,443 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 80 transitions. [2023-11-19 08:05:11,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 08:05:11,443 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2023-11-19 08:05:11,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 08:05:11,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:11,455 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:11,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:11,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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 08:05:11,661 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:11,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:11,662 INFO L85 PathProgramCache]: Analyzing trace with hash -8922687, now seen corresponding path program 1 times [2023-11-19 08:05:11,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:11,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748023269] [2023-11-19 08:05:11,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:11,663 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 08:05:11,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:11,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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 08:05:11,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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 08:05:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:11,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:05:11,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-19 08:05:12,234 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:12,234 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:12,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748023269] [2023-11-19 08:05:12,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748023269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:12,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:12,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 08:05:12,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197240865] [2023-11-19 08:05:12,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:12,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 08:05:12,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:12,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 08:05:12,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:05:12,239 INFO L87 Difference]: Start difference. First operand 54 states and 80 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 08:05:15,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:17,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:17,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:17,425 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2023-11-19 08:05:17,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 08:05:17,447 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2023-11-19 08:05:17,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:17,449 INFO L225 Difference]: With dead ends: 115 [2023-11-19 08:05:17,449 INFO L226 Difference]: Without dead ends: 64 [2023-11-19 08:05:17,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2023-11-19 08:05:17,451 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 119 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 115 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:17,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 178 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 197 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-11-19 08:05:17,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-19 08:05:17,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2023-11-19 08:05:17,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:05:17,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 85 transitions. [2023-11-19 08:05:17,469 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 85 transitions. Word has length 125 [2023-11-19 08:05:17,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:17,470 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 85 transitions. [2023-11-19 08:05:17,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 08:05:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2023-11-19 08:05:17,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-19 08:05:17,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:17,473 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:17,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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 08:05:17,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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 08:05:17,679 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:17,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:17,680 INFO L85 PathProgramCache]: Analyzing trace with hash -859300006, now seen corresponding path program 1 times [2023-11-19 08:05:17,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:17,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697112914] [2023-11-19 08:05:17,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:17,682 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 08:05:17,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:17,683 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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 08:05:17,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/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 08:05:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:17,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:18,012 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-19 08:05:18,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1278319444] [2023-11-19 08:05:18,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:18,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 08:05:18,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/cvc4 [2023-11-19 08:05:18,016 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 08:05:18,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c53fe7-fdb2-4fc2-ba7a-9d3ea05aa1c1/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 08:05:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:18,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 08:05:18,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:43,537 WARN L293 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)