./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.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_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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 8ad032f7b7cfa41663719a1afb668577ff0f53f071fcb9ae4ca664aa9bfad6ae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:37,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:37,184 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:02:37,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:37,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:37,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:37,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:37,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:37,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:37,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:37,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:37,251 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:37,252 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:37,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:37,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:37,254 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:02:37,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:37,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:02:37,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:37,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:37,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:37,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:37,258 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:02:37,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:37,258 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:37,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:37,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:37,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:37,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:37,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:37,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:37,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:37,263 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:37,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:02:37,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:37,264 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:37,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:37,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:37,265 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:37,265 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_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ad032f7b7cfa41663719a1afb668577ff0f53f071fcb9ae4ca664aa9bfad6ae [2023-11-19 08:02:37,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:37,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:37,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:37,591 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:37,592 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:37,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i [2023-11-19 08:02:40,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:41,219 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:41,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i [2023-11-19 08:02:41,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/data/05deb1718/287060dc7829480096676c6603f72c5c/FLAG9c50d5b64 [2023-11-19 08:02:41,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/data/05deb1718/287060dc7829480096676c6603f72c5c [2023-11-19 08:02:41,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:41,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:41,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:41,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:41,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:41,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:41" (1/1) ... [2023-11-19 08:02:41,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a803da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41, skipping insertion in model container [2023-11-19 08:02:41,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:41" (1/1) ... [2023-11-19 08:02:41,302 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:41,473 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_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i[915,928] [2023-11-19 08:02:41,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:41,594 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:41,607 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_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i[915,928] [2023-11-19 08:02:41,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:41,655 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:41,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41 WrapperNode [2023-11-19 08:02:41,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:41,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:41,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:41,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:41,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41" (1/1) ... [2023-11-19 08:02:41,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41" (1/1) ... [2023-11-19 08:02:41,724 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-19 08:02:41,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:41,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:41,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:41,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:41,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41" (1/1) ... [2023-11-19 08:02:41,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41" (1/1) ... [2023-11-19 08:02:41,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41" (1/1) ... [2023-11-19 08:02:41,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41" (1/1) ... [2023-11-19 08:02:41,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41" (1/1) ... [2023-11-19 08:02:41,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41" (1/1) ... [2023-11-19 08:02:41,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41" (1/1) ... [2023-11-19 08:02:41,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41" (1/1) ... [2023-11-19 08:02:41,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:41,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:41,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:41,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:41,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41" (1/1) ... [2023-11-19 08:02:41,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:41,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:41,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:41,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:02:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:02:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:02:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:41,994 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:42,000 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:42,505 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:42,550 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:42,550 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:02:42,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:42 BoogieIcfgContainer [2023-11-19 08:02:42,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:42,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:02:42,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:02:42,576 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:02:42,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:41" (1/3) ... [2023-11-19 08:02:42,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fba9667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:42, skipping insertion in model container [2023-11-19 08:02:42,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:41" (2/3) ... [2023-11-19 08:02:42,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fba9667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:42, skipping insertion in model container [2023-11-19 08:02:42,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:42" (3/3) ... [2023-11-19 08:02:42,579 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-62.i [2023-11-19 08:02:42,629 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:02:42,629 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:02:42,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:02:42,695 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;@615056ed, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:02:42,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:02:42,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 46 states have (on average 1.434782608695652) internal successors, (66), 47 states have internal predecessors, (66), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 08:02:42,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 08:02:42,716 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:42,717 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:42,717 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:42,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:42,723 INFO L85 PathProgramCache]: Analyzing trace with hash 307084158, now seen corresponding path program 1 times [2023-11-19 08:02:42,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:42,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939139772] [2023-11-19 08:02:42,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:42,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:42,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:42,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939139772] [2023-11-19 08:02:42,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 08:02:42,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823671032] [2023-11-19 08:02:42,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:42,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:42,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:42,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:43,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:02:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:43,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:02:43,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:43,257 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-19 08:02:43,257 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:43,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823671032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:43,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:43,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:02:43,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134570752] [2023-11-19 08:02:43,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:43,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:02:43,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:43,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:02:43,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:02:43,318 INFO L87 Difference]: Start difference. First operand has 68 states, 46 states have (on average 1.434782608695652) internal successors, (66), 47 states have internal predecessors, (66), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 08:02:43,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:43,377 INFO L93 Difference]: Finished difference Result 127 states and 217 transitions. [2023-11-19 08:02:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:02:43,379 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 125 [2023-11-19 08:02:43,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:43,387 INFO L225 Difference]: With dead ends: 127 [2023-11-19 08:02:43,388 INFO L226 Difference]: Without dead ends: 62 [2023-11-19 08:02:43,391 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 08:02:43,395 INFO L413 NwaCegarLoop]: 91 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, 91 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 08:02:43,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:02:43,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-19 08:02:43,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-19 08:02:43,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 08:02:43,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 91 transitions. [2023-11-19 08:02:43,447 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 91 transitions. Word has length 125 [2023-11-19 08:02:43,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:43,448 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 91 transitions. [2023-11-19 08:02:43,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 08:02:43,449 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-19 08:02:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 08:02:43,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:43,453 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:43,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:43,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:43,669 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:43,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:43,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1066278856, now seen corresponding path program 1 times [2023-11-19 08:02:43,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:43,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54708596] [2023-11-19 08:02:43,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:43,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:43,789 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:02:43,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [158150009] [2023-11-19 08:02:43,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:43,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:43,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:43,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:43,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:02:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:43,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:02:43,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:44,103 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 08:02:44,105 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:44,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:44,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54708596] [2023-11-19 08:02:44,109 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:02:44,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158150009] [2023-11-19 08:02:44,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158150009] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:44,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:44,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:02:44,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500116658] [2023-11-19 08:02:44,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:44,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:44,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:44,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:44,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:02:44,115 INFO L87 Difference]: Start difference. First operand 62 states and 91 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 08:02:44,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:44,358 INFO L93 Difference]: Finished difference Result 188 states and 272 transitions. [2023-11-19 08:02:44,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:02:44,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 125 [2023-11-19 08:02:44,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:44,367 INFO L225 Difference]: With dead ends: 188 [2023-11-19 08:02:44,368 INFO L226 Difference]: Without dead ends: 129 [2023-11-19 08:02:44,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:02:44,371 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 80 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:44,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 276 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:44,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-19 08:02:44,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 96. [2023-11-19 08:02:44,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 66 states have internal predecessors, (82), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 08:02:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2023-11-19 08:02:44,408 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 125 [2023-11-19 08:02:44,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:44,412 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2023-11-19 08:02:44,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 08:02:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2023-11-19 08:02:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 08:02:44,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:44,417 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:44,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:44,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:44,623 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:44,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:44,624 INFO L85 PathProgramCache]: Analyzing trace with hash 708728506, now seen corresponding path program 1 times [2023-11-19 08:02:44,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:44,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032645878] [2023-11-19 08:02:44,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:44,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:44,722 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:02:44,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264229054] [2023-11-19 08:02:44,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:44,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:44,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:44,729 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:44,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:02:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:44,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:45,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:45,074 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:02:45,076 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:02:45,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:45,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:45,304 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 08:02:45,309 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:02:45,398 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated [2023-11-19 08:02:45,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:45 BoogieIcfgContainer [2023-11-19 08:02:45,433 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:02:45,435 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:02:45,435 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:02:45,435 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:02:45,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:42" (3/4) ... [2023-11-19 08:02:45,438 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:02:45,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:02:45,451 INFO L158 Benchmark]: Toolchain (without parser) took 4186.20ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 122.0MB in the beginning and 134.8MB in the end (delta: -12.8MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2023-11-19 08:02:45,452 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:45,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.07ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 108.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:02:45,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.56ms. Allocated memory is still 167.8MB. Free memory was 108.6MB in the beginning and 105.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:02:45,455 INFO L158 Benchmark]: Boogie Preprocessor took 43.57ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 103.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:45,455 INFO L158 Benchmark]: RCFGBuilder took 785.25ms. Allocated memory is still 167.8MB. Free memory was 103.6MB in the beginning and 136.7MB in the end (delta: -33.1MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-11-19 08:02:45,456 INFO L158 Benchmark]: TraceAbstraction took 2875.28ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 136.0MB in the beginning and 135.9MB in the end (delta: 160.1kB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-11-19 08:02:45,459 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 213.9MB. Free memory was 135.9MB in the beginning and 134.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:45,461 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.07ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 108.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.56ms. Allocated memory is still 167.8MB. Free memory was 108.6MB in the beginning and 105.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.57ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 103.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 785.25ms. Allocated memory is still 167.8MB. Free memory was 103.6MB in the beginning and 136.7MB in the end (delta: -33.1MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2875.28ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 136.0MB in the beginning and 135.9MB in the end (delta: 160.1kB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 213.9MB. Free memory was 135.9MB in the beginning and 134.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryArithmeticDOUBLEoperation at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.25; [L23] signed long int var_1_3 = -25; [L24] signed long int var_1_4 = -128; [L25] double var_1_6 = 2.75; [L26] double var_1_7 = 24.5; [L27] double var_1_8 = 199.5; [L28] float var_1_9 = 32.8; [L29] unsigned char var_1_10 = 1; [L30] float var_1_11 = 15.4; [L31] float var_1_12 = 0.0; [L32] unsigned long int var_1_13 = 2; [L33] float var_1_16 = 127.6; [L34] signed long int var_1_17 = 128; [L35] unsigned char var_1_19 = 10; [L36] unsigned char var_1_20 = 0; [L37] unsigned char var_1_21 = 64; [L38] double var_1_22 = 15.95; [L39] unsigned long int var_1_23 = 4127848294; VAL [isInitial=0, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-25, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L117] isInitial = 1 [L118] FCALL initially() [L119] COND TRUE 1 [L120] FCALL updateLastVariables() [L121] CALL updateVariables() [L79] var_1_3 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L80] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L81] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L81] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L82] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L82] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L83] var_1_4 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L84] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L85] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L85] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L86] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L86] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L87] var_1_6 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L88] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L89] var_1_7 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=399/2, var_1_9=164/5] [L90] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=399/2, var_1_9=164/5] [L91] var_1_8 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L92] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L93] var_1_10 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L94] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L95] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L95] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L96] var_1_11 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L97] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L98] var_1_12 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L99] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L100] var_1_20 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L101] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L102] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L102] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L103] var_1_21 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L104] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L105] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L105] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L106] var_1_23 = __VERIFIER_nondet_ulong() [L107] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L107] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L108] CALL assume_abort_if_not(var_1_23 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L108] RET assume_abort_if_not(var_1_23 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L121] RET updateVariables() [L122] CALL step() [L43] COND TRUE var_1_12 <= (var_1_7 * 5.8f) [L44] var_1_16 = ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=6, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L48] COND TRUE var_1_10 || var_1_20 [L49] var_1_19 = ((((var_1_21) > (32)) ? (var_1_21) : (32))) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=6, var_1_17=128, var_1_19=32, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L51] COND FALSE !(\read(var_1_10)) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=6, var_1_17=128, var_1_19=32, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L56] signed long int stepLocal_0 = (var_1_3 % var_1_4) * var_1_19; VAL [isInitial=1, stepLocal_0=-64, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=6, var_1_17=128, var_1_19=32, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L57] COND TRUE var_1_19 > stepLocal_0 [L58] var_1_1 = (var_1_6 - (var_1_7 + var_1_8)) VAL [isInitial=1, stepLocal_0=-64, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=2, var_1_16=6, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L62] COND TRUE ! var_1_10 [L63] var_1_13 = (50u + var_1_19) VAL [isInitial=1, stepLocal_0=-64, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=82, var_1_16=6, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L67] COND FALSE !(var_1_8 < (var_1_22 / var_1_12)) VAL [isInitial=1, stepLocal_0=-64, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=82, var_1_16=6, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L72] COND FALSE !(var_1_10 || (var_1_19 == var_1_13)) [L75] var_1_9 = ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))) VAL [isInitial=1, stepLocal_0=-64, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=82, var_1_16=6, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=7] [L122] RET step() [L123] CALL, EXPR property() [L113] EXPR (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=82, var_1_16=6, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=7] [L113-L114] return (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) ; [L123] RET, EXPR property() [L123] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=82, var_1_16=6, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=7] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=6, var_1_13=82, var_1_16=6, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-2, var_1_4=3, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=7] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 367 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 205 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 33 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 500 NumberOfCodeBlocks, 500 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 284 SizeOfPredicates, 3 NumberOfNonLiveVariables, 582 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1368/1368 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 08:02:45,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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 8ad032f7b7cfa41663719a1afb668577ff0f53f071fcb9ae4ca664aa9bfad6ae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:48,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:48,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:02:48,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:48,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:48,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:48,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:48,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:48,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:48,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:48,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:48,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:48,405 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:48,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:48,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:48,407 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:02:48,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:02:48,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:48,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:48,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:48,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:48,411 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:02:48,411 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:02:48,411 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:02:48,412 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:02:48,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:48,413 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:48,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:48,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:48,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:48,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:48,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:48,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:48,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:48,416 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:02:48,417 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:02:48,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:48,417 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:48,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:48,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:48,418 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:02:48,419 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:48,419 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_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ad032f7b7cfa41663719a1afb668577ff0f53f071fcb9ae4ca664aa9bfad6ae [2023-11-19 08:02:48,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:48,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:48,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:48,885 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:48,886 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:48,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i [2023-11-19 08:02:52,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:52,419 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:52,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i [2023-11-19 08:02:52,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/data/710c8a42b/4cd4c32ed76c48f3b8668d88dbde0c41/FLAG485e54fc5 [2023-11-19 08:02:52,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/data/710c8a42b/4cd4c32ed76c48f3b8668d88dbde0c41 [2023-11-19 08:02:52,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:52,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:52,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:52,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:52,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:52,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:52" (1/1) ... [2023-11-19 08:02:52,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728de4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52, skipping insertion in model container [2023-11-19 08:02:52,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:52" (1/1) ... [2023-11-19 08:02:52,509 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:52,680 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_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i[915,928] [2023-11-19 08:02:52,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:52,805 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:52,822 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_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i[915,928] [2023-11-19 08:02:52,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:52,896 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:52,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52 WrapperNode [2023-11-19 08:02:52,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:52,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:52,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:52,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:52,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52" (1/1) ... [2023-11-19 08:02:52,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52" (1/1) ... [2023-11-19 08:02:52,984 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2023-11-19 08:02:52,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:52,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:52,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:52,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:52,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52" (1/1) ... [2023-11-19 08:02:52,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52" (1/1) ... [2023-11-19 08:02:53,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52" (1/1) ... [2023-11-19 08:02:53,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52" (1/1) ... [2023-11-19 08:02:53,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52" (1/1) ... [2023-11-19 08:02:53,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52" (1/1) ... [2023-11-19 08:02:53,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52" (1/1) ... [2023-11-19 08:02:53,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52" (1/1) ... [2023-11-19 08:02:53,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:53,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:53,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:53,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:53,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52" (1/1) ... [2023-11-19 08:02:53,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:53,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:53,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:53,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:02:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:02:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:02:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:53,254 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:53,257 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:03:09,557 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:03:09,577 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:03:09,577 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:03:09,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:09 BoogieIcfgContainer [2023-11-19 08:03:09,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:03:09,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:03:09,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:03:09,589 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:03:09,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:52" (1/3) ... [2023-11-19 08:03:09,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5f4b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:09, skipping insertion in model container [2023-11-19 08:03:09,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:52" (2/3) ... [2023-11-19 08:03:09,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5f4b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:09, skipping insertion in model container [2023-11-19 08:03:09,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:09" (3/3) ... [2023-11-19 08:03:09,593 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-62.i [2023-11-19 08:03:09,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:03:09,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:03:09,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:03:09,678 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;@346c4cdc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:03:09,679 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:03:09,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 08:03:09,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 08:03:09,695 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:09,696 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:09,697 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:03:09,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:09,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1284219921, now seen corresponding path program 1 times [2023-11-19 08:03:09,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:03:09,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235650143] [2023-11-19 08:03:09,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:09,715 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 08:03:09,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:03:09,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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 08:03:09,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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 08:03:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:11,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:03:11,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 08:03:11,986 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:03:11,986 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:03:11,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235650143] [2023-11-19 08:03:11,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235650143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:11,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:11,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:03:11,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883510552] [2023-11-19 08:03:11,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:11,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:11,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:03:12,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:12,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:12,031 INFO L87 Difference]: Start difference. First operand has 59 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 08:03:13,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:15,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:17,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:20,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:22,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:24,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:26,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:28,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:30,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:32,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:34,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:35,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:35,827 INFO L93 Difference]: Finished difference Result 170 states and 298 transitions. [2023-11-19 08:03:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:35,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 123 [2023-11-19 08:03:35,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:35,843 INFO L225 Difference]: With dead ends: 170 [2023-11-19 08:03:35,843 INFO L226 Difference]: Without dead ends: 114 [2023-11-19 08:03:35,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:35,851 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 90 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 24 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:35,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 191 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 35 Invalid, 9 Unknown, 0 Unchecked, 23.7s Time] [2023-11-19 08:03:35,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-19 08:03:35,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2023-11-19 08:03:35,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 55 states have internal predecessors, (68), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 08:03:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2023-11-19 08:03:35,917 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 123 [2023-11-19 08:03:35,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:35,918 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2023-11-19 08:03:35,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 08:03:35,919 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2023-11-19 08:03:35,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 08:03:35,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:35,923 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:35,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 08:03:36,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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 08:03:36,137 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:03:36,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:36,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1282372879, now seen corresponding path program 1 times [2023-11-19 08:03:36,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:03:36,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004354805] [2023-11-19 08:03:36,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:36,139 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 08:03:36,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:03:36,141 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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 08:03:36,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0454dfc3-f4bd-4149-9a5c-4a5b32ae576f/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 08:03:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:39,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 08:03:39,124 INFO L285 TraceCheckSpWp]: Computing forward predicates...