./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:18:58,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:18:58,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:18:58,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:18:58,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:18:58,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:18:58,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:18:58,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:18:58,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:18:58,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:18:58,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:18:58,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:18:58,946 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:18:58,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:18:58,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:18:58,949 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:18:58,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:18:58,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:18:58,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:18:58,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:18:58,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:18:58,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:18:58,953 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:18:58,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:18:58,954 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:18:58,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:18:58,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:18:58,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:18:58,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:18:58,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:18:58,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:18:58,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:18:58,959 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:18:58,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:18:58,960 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:18:58,960 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:18:58,960 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:18:58,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:18:58,961 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:18:58,961 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_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 [2023-11-06 22:18:59,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:18:59,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:18:59,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:18:59,255 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:18:59,256 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:18:59,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2023-11-06 22:19:02,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:19:02,623 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:19:02,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2023-11-06 22:19:02,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/data/24bb2abf9/db1e34040df34ab28c42d2090f7573c5/FLAG65ee1a0bb [2023-11-06 22:19:02,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/data/24bb2abf9/db1e34040df34ab28c42d2090f7573c5 [2023-11-06 22:19:02,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:19:02,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:19:02,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:02,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:19:02,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:19:02,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:02" (1/1) ... [2023-11-06 22:19:02,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b8e752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:02, skipping insertion in model container [2023-11-06 22:19:02,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:02" (1/1) ... [2023-11-06 22:19:02,725 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:19:02,878 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_5504dee7-c835-44e3-a5f9-43a4399385f3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2023-11-06 22:19:02,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:02,975 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:19:02,992 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_5504dee7-c835-44e3-a5f9-43a4399385f3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2023-11-06 22:19:03,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:03,037 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:19:03,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:03 WrapperNode [2023-11-06 22:19:03,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:03,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:03,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:19:03,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:19:03,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:03" (1/1) ... [2023-11-06 22:19:03,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:03" (1/1) ... [2023-11-06 22:19:03,094 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2023-11-06 22:19:03,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:03,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:19:03,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:19:03,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:19:03,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:03" (1/1) ... [2023-11-06 22:19:03,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:03" (1/1) ... [2023-11-06 22:19:03,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:03" (1/1) ... [2023-11-06 22:19:03,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:03" (1/1) ... [2023-11-06 22:19:03,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:03" (1/1) ... [2023-11-06 22:19:03,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:03" (1/1) ... [2023-11-06 22:19:03,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:03" (1/1) ... [2023-11-06 22:19:03,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:03" (1/1) ... [2023-11-06 22:19:03,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:19:03,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:19:03,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:19:03,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:19:03,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:03" (1/1) ... [2023-11-06 22:19:03,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:19:03,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:03,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:03,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:19:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:19:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:19:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:19:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:19:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:19:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:19:03,311 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:19:03,313 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:19:03,676 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:19:03,683 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:19:03,684 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:19:03,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:03 BoogieIcfgContainer [2023-11-06 22:19:03,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:19:03,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:19:03,690 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:19:03,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:19:03,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:19:02" (1/3) ... [2023-11-06 22:19:03,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61750a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:19:03, skipping insertion in model container [2023-11-06 22:19:03,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:03" (2/3) ... [2023-11-06 22:19:03,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61750a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:19:03, skipping insertion in model container [2023-11-06 22:19:03,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:03" (3/3) ... [2023-11-06 22:19:03,697 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-60.i [2023-11-06 22:19:03,736 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:19:03,736 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:19:03,801 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:19:03,808 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=LoopsAndPotentialCycles, 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;@5dff1c79, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:19:03,808 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:19:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:19:03,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:19:03,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:03,832 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:03,833 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:03,839 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:03,839 INFO L85 PathProgramCache]: Analyzing trace with hash -872191040, now seen corresponding path program 1 times [2023-11-06 22:19:03,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:03,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446732916] [2023-11-06 22:19:03,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:03,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:04,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:04,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446732916] [2023-11-06 22:19:04,199 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:19:04,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524045429] [2023-11-06 22:19:04,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:04,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:04,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:04,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:04,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:19:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:04,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:19:04,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-11-06 22:19:04,602 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:04,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524045429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:04,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:04,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:19:04,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710874255] [2023-11-06 22:19:04,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:04,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:19:04,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:04,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:19:04,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:19:04,652 INFO L87 Difference]: Start difference. First operand has 72 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-06 22:19:04,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:04,723 INFO L93 Difference]: Finished difference Result 137 states and 242 transitions. [2023-11-06 22:19:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:19:04,726 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 161 [2023-11-06 22:19:04,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:04,736 INFO L225 Difference]: With dead ends: 137 [2023-11-06 22:19:04,737 INFO L226 Difference]: Without dead ends: 68 [2023-11-06 22:19:04,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:19:04,746 INFO L413 NwaCegarLoop]: 104 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, 104 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 [2023-11-06 22:19:04,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:19:04,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-06 22:19:04,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-06 22:19:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:19:04,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 104 transitions. [2023-11-06 22:19:04,809 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 104 transitions. Word has length 161 [2023-11-06 22:19:04,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:04,810 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 104 transitions. [2023-11-06 22:19:04,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-06 22:19:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2023-11-06 22:19:04,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:19:04,816 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:04,816 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:04,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:05,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:19:05,019 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:05,020 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:05,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1466653832, now seen corresponding path program 1 times [2023-11-06 22:19:05,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:05,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10508711] [2023-11-06 22:19:05,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:05,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:05,103 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:05,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [43086093] [2023-11-06 22:19:05,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:05,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:05,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:05,106 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:05,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:19:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:05,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:19:05,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:05,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:19:05,539 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:05,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:05,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10508711] [2023-11-06 22:19:05,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:05,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43086093] [2023-11-06 22:19:05,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43086093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:05,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:05,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:19:05,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340172715] [2023-11-06 22:19:05,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:05,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:19:05,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:05,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:19:05,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:19:05,545 INFO L87 Difference]: Start difference. First operand 68 states and 104 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:19:05,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:05,605 INFO L93 Difference]: Finished difference Result 169 states and 256 transitions. [2023-11-06 22:19:05,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:19:05,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 161 [2023-11-06 22:19:05,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:05,611 INFO L225 Difference]: With dead ends: 169 [2023-11-06 22:19:05,611 INFO L226 Difference]: Without dead ends: 104 [2023-11-06 22:19:05,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:19:05,614 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 50 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:05,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 243 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:19:05,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-06 22:19:05,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2023-11-06 22:19:05,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 59 states have internal predecessors, (72), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:19:05,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 152 transitions. [2023-11-06 22:19:05,646 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 152 transitions. Word has length 161 [2023-11-06 22:19:05,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:05,648 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 152 transitions. [2023-11-06 22:19:05,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:19:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2023-11-06 22:19:05,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-06 22:19:05,653 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:05,653 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:05,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:05,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-06 22:19:05,861 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:05,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:05,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1143043144, now seen corresponding path program 1 times [2023-11-06 22:19:05,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:05,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118750052] [2023-11-06 22:19:05,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:05,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:05,983 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:05,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2074554290] [2023-11-06 22:19:05,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:05,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:05,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:05,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:06,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:19:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:06,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:19:06,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:06,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:19:06,264 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:06,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:06,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118750052] [2023-11-06 22:19:06,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:06,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074554290] [2023-11-06 22:19:06,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074554290] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:06,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:06,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:19:06,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956926126] [2023-11-06 22:19:06,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:06,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:19:06,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:06,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:19:06,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:19:06,272 INFO L87 Difference]: Start difference. First operand 101 states and 152 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:19:06,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:06,378 INFO L93 Difference]: Finished difference Result 224 states and 337 transitions. [2023-11-06 22:19:06,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:19:06,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2023-11-06 22:19:06,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:06,388 INFO L225 Difference]: With dead ends: 224 [2023-11-06 22:19:06,390 INFO L226 Difference]: Without dead ends: 126 [2023-11-06 22:19:06,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:19:06,398 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 21 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:06,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 192 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:19:06,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-06 22:19:06,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 107. [2023-11-06 22:19:06,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 64 states have (on average 1.296875) internal successors, (83), 65 states have internal predecessors, (83), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:19:06,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 163 transitions. [2023-11-06 22:19:06,456 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 163 transitions. Word has length 162 [2023-11-06 22:19:06,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:06,458 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 163 transitions. [2023-11-06 22:19:06,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:19:06,459 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 163 transitions. [2023-11-06 22:19:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-06 22:19:06,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:06,471 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:06,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:06,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:06,678 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:06,679 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:06,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1376916790, now seen corresponding path program 1 times [2023-11-06 22:19:06,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:06,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148651980] [2023-11-06 22:19:06,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:06,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:06,745 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:06,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [212694201] [2023-11-06 22:19:06,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:06,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:06,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:06,749 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:06,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:19:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:07,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:19:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:07,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:19:07,362 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:19:07,364 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:19:07,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:07,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:07,579 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:19:07,584 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:19:07,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:19:07 BoogieIcfgContainer [2023-11-06 22:19:07,791 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:19:07,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:19:07,792 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:19:07,792 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:19:07,793 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:03" (3/4) ... [2023-11-06 22:19:07,796 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:19:07,798 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:19:07,799 INFO L158 Benchmark]: Toolchain (without parser) took 5139.32ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 108.0MB in the beginning and 120.4MB in the end (delta: -12.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-06 22:19:07,800 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:19:07,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.34ms. Allocated memory is still 138.4MB. Free memory was 108.0MB in the beginning and 94.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:19:07,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.22ms. Allocated memory is still 138.4MB. Free memory was 94.4MB in the beginning and 91.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:19:07,801 INFO L158 Benchmark]: Boogie Preprocessor took 34.23ms. Allocated memory is still 138.4MB. Free memory was 91.7MB in the beginning and 89.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:19:07,802 INFO L158 Benchmark]: RCFGBuilder took 555.87ms. Allocated memory is still 138.4MB. Free memory was 89.9MB in the beginning and 71.4MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:19:07,802 INFO L158 Benchmark]: TraceAbstraction took 4101.54ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 71.1MB in the beginning and 120.4MB in the end (delta: -49.3MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-11-06 22:19:07,803 INFO L158 Benchmark]: Witness Printer took 6.49ms. Allocated memory is still 167.8MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:19:07,806 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.34ms. Allocated memory is still 138.4MB. Free memory was 108.0MB in the beginning and 94.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.22ms. Allocated memory is still 138.4MB. Free memory was 94.4MB in the beginning and 91.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.23ms. Allocated memory is still 138.4MB. Free memory was 91.7MB in the beginning and 89.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.87ms. Allocated memory is still 138.4MB. Free memory was 89.9MB in the beginning and 71.4MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4101.54ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 71.1MB in the beginning and 120.4MB in the end (delta: -49.3MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Witness Printer took 6.49ms. Allocated memory is still 167.8MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 139, overapproximation of someBinaryDOUBLEComparisonOperation at line 139, overapproximation of someBinaryArithmeticDOUBLEoperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 32; [L23] unsigned char var_1_2 = 1; [L24] float var_1_3 = 10.7; [L25] float var_1_4 = 7.8; [L26] float var_1_5 = 99.5; [L27] signed short int var_1_6 = 16; [L28] signed short int var_1_7 = 256; [L29] float var_1_8 = 256.6; [L30] unsigned char var_1_9 = 50; [L31] unsigned char var_1_10 = 5; [L32] double var_1_11 = 127.75; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 0; [L36] double var_1_15 = 15.2; [L37] double var_1_16 = 256.5; [L38] double var_1_17 = 256.5; [L39] double var_1_18 = 0.0; [L40] double var_1_19 = 9.7; [L41] unsigned long int var_1_20 = 10000000; [L42] unsigned long int var_1_21 = 4008920074; [L43] unsigned long int var_1_22 = 128; VAL [isInitial=0, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=1, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L94] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L95] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L95] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L96] var_1_3 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L97] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L98] var_1_4 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L99] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L100] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L100] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L101] var_1_5 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L102] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L103] var_1_6 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L104] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L105] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L105] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L106] var_1_7 = __VERIFIER_nondet_short() [L107] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L107] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L108] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L108] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L109] var_1_10 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L111] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L111] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L112] var_1_12 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L113] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L114] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L114] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L115] var_1_13 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L116] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L117] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L117] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L118] var_1_14 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L119] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L120] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L120] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L121] var_1_15 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L122] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L123] var_1_17 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L124] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L125] var_1_18 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L126] RET assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L127] var_1_19 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L128] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L129] var_1_21 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_21 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L130] RET assume_abort_if_not(var_1_21 >= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L131] CALL assume_abort_if_not(var_1_21 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L131] RET assume_abort_if_not(var_1_21 <= 4294967294) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L132] var_1_22 = __VERIFIER_nondet_ulong() [L133] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L133] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L134] CALL assume_abort_if_not(var_1_22 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L134] RET assume_abort_if_not(var_1_22 <= 4294967294) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L147] RET updateVariables() [L148] CALL step() [L47] COND FALSE !(\read(var_1_2)) [L54] var_1_1 = var_1_7 VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L56] COND FALSE !((- var_1_5) <= var_1_4) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L61] COND FALSE !(var_1_8 < (var_1_3 + var_1_5)) [L68] var_1_9 = var_1_10 VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L70] COND TRUE (var_1_8 >= var_1_3) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14)) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L71] COND FALSE !(\read(var_1_2)) [L74] var_1_11 = var_1_15 VAL [isInitial=1, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L79] COND TRUE ((var_1_10 * var_1_7) + var_1_9) > var_1_1 [L80] var_1_16 = (var_1_17 - (var_1_18 - var_1_19)) VAL [isInitial=1, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L82] COND TRUE \read(var_1_13) [L83] var_1_20 = (((((var_1_7) > (128u)) ? (var_1_7) : (128u))) + var_1_9) VAL [isInitial=1, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=130, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L148] RET step() [L149] CALL, EXPR property() [L139-L140] return (((((var_1_2 ? (((var_1_3 / var_1_4) <= var_1_5) ? (var_1_1 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_1 == ((signed short int) var_1_6))) : (var_1_1 == ((signed short int) var_1_7))) && (((- var_1_5) <= var_1_4) ? (((var_1_3 <= var_1_4) || var_1_2) ? (var_1_8 == ((float) 3.3f)) : 1) : 1)) && ((var_1_8 < (var_1_3 + var_1_5)) ? ((((((var_1_7) < (var_1_1)) ? (var_1_7) : (var_1_1))) > (var_1_6 * 1)) ? (var_1_9 == ((unsigned char) var_1_10)) : (var_1_9 == ((unsigned char) var_1_10))) : (var_1_9 == ((unsigned char) var_1_10)))) && (((var_1_8 >= var_1_3) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14))) ? (var_1_2 ? (var_1_11 == ((double) var_1_15)) : (var_1_11 == ((double) var_1_15))) : (var_1_11 == ((double) var_1_15)))) && ((((var_1_10 * var_1_7) + var_1_9) > var_1_1) ? (var_1_16 == ((double) (var_1_17 - (var_1_18 - var_1_19)))) : 1)) && (var_1_13 ? (var_1_20 == ((unsigned long int) (((((var_1_7) > (128u)) ? (var_1_7) : (128u))) + var_1_9))) : ((var_1_7 >= var_1_6) ? (var_1_20 == ((unsigned long int) (var_1_21 - var_1_9))) : (var_1_20 == ((unsigned long int) var_1_22)))) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=130, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=130, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=130, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 4, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 539 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 353 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 481 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=3, InterpolantAutomatonStates: 8, 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, 3 MinimizatonAttempts, 22 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 807 NumberOfCodeBlocks, 807 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 505 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1118 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3900/3900 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 [2023-11-06 22:19:07,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/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_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:19:10,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:19:10,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:19:10,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:19:10,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:19:11,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:19:11,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:19:11,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:19:11,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:19:11,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:19:11,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:19:11,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:19:11,039 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:19:11,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:19:11,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:19:11,043 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:19:11,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:19:11,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:19:11,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:19:11,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:19:11,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:19:11,046 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:19:11,046 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:19:11,047 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:19:11,047 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:19:11,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:19:11,048 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:19:11,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:19:11,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:19:11,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:19:11,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:19:11,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:19:11,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:19:11,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:19:11,053 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:19:11,054 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:19:11,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:19:11,054 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:19:11,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:19:11,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:19:11,056 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:19:11,057 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:19:11,057 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_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 [2023-11-06 22:19:11,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:19:11,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:19:11,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:19:11,584 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:19:11,584 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:19:11,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2023-11-06 22:19:15,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:19:15,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:19:15,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2023-11-06 22:19:15,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/data/5a275ffda/96ae836030864981b5f8d0e06b93467a/FLAG046c701c5 [2023-11-06 22:19:15,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/data/5a275ffda/96ae836030864981b5f8d0e06b93467a [2023-11-06 22:19:15,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:19:15,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:19:15,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:15,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:19:15,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:19:15,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:15" (1/1) ... [2023-11-06 22:19:15,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475b8940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15, skipping insertion in model container [2023-11-06 22:19:15,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:15" (1/1) ... [2023-11-06 22:19:15,470 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:19:15,647 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_5504dee7-c835-44e3-a5f9-43a4399385f3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2023-11-06 22:19:15,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:15,717 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:19:15,730 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_5504dee7-c835-44e3-a5f9-43a4399385f3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2023-11-06 22:19:15,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:15,782 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:19:15,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15 WrapperNode [2023-11-06 22:19:15,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:15,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:15,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:19:15,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:19:15,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15" (1/1) ... [2023-11-06 22:19:15,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15" (1/1) ... [2023-11-06 22:19:15,838 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2023-11-06 22:19:15,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:15,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:19:15,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:19:15,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:19:15,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15" (1/1) ... [2023-11-06 22:19:15,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15" (1/1) ... [2023-11-06 22:19:15,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15" (1/1) ... [2023-11-06 22:19:15,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15" (1/1) ... [2023-11-06 22:19:15,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15" (1/1) ... [2023-11-06 22:19:15,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15" (1/1) ... [2023-11-06 22:19:15,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15" (1/1) ... [2023-11-06 22:19:15,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15" (1/1) ... [2023-11-06 22:19:15,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:19:15,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:19:15,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:19:15,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:19:15,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15" (1/1) ... [2023-11-06 22:19:15,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:19:15,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:15,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:16,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:19:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:19:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:19:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:19:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:19:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:19:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:19:16,110 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:19:16,113 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:19:23,954 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:19:23,961 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:19:23,962 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:19:23,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:23 BoogieIcfgContainer [2023-11-06 22:19:23,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:19:23,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:19:23,966 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:19:23,970 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:19:23,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:19:15" (1/3) ... [2023-11-06 22:19:23,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaa502f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:19:23, skipping insertion in model container [2023-11-06 22:19:23,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:15" (2/3) ... [2023-11-06 22:19:23,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaa502f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:19:23, skipping insertion in model container [2023-11-06 22:19:23,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:23" (3/3) ... [2023-11-06 22:19:23,973 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-60.i [2023-11-06 22:19:23,993 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:19:23,994 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:19:24,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:19:24,052 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=LoopsAndPotentialCycles, 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;@3e760378, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:19:24,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:19:24,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:19:24,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:19:24,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:24,079 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:24,080 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:24,086 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:24,086 INFO L85 PathProgramCache]: Analyzing trace with hash -872191040, now seen corresponding path program 1 times [2023-11-06 22:19:24,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:19:24,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620251890] [2023-11-06 22:19:24,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:24,106 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 [2023-11-06 22:19:24,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:19:24,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:19:24,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:19:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:24,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:19:24,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2023-11-06 22:19:25,052 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:25,052 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:19:25,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620251890] [2023-11-06 22:19:25,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620251890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:25,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:25,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:19:25,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599029008] [2023-11-06 22:19:25,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:25,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:19:25,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:19:25,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:19:25,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:19:25,107 INFO L87 Difference]: Start difference. First operand has 72 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-06 22:19:25,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:25,146 INFO L93 Difference]: Finished difference Result 137 states and 242 transitions. [2023-11-06 22:19:25,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:19:25,149 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 161 [2023-11-06 22:19:25,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:25,158 INFO L225 Difference]: With dead ends: 137 [2023-11-06 22:19:25,158 INFO L226 Difference]: Without dead ends: 68 [2023-11-06 22:19:25,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:19:25,167 INFO L413 NwaCegarLoop]: 104 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, 104 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 [2023-11-06 22:19:25,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:19:25,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-06 22:19:25,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-06 22:19:25,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:19:25,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 104 transitions. [2023-11-06 22:19:25,255 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 104 transitions. Word has length 161 [2023-11-06 22:19:25,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:25,256 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 104 transitions. [2023-11-06 22:19:25,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-06 22:19:25,257 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2023-11-06 22:19:25,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:19:25,271 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:25,272 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:25,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:25,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:19:25,486 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:25,487 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:25,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1466653832, now seen corresponding path program 1 times [2023-11-06 22:19:25,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:19:25,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124923947] [2023-11-06 22:19:25,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:25,489 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 [2023-11-06 22:19:25,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:19:25,490 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:19:25,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:19:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:26,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:19:26,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:26,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:19:26,320 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:26,321 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:19:26,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2124923947] [2023-11-06 22:19:26,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2124923947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:26,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:26,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:19:26,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011345573] [2023-11-06 22:19:26,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:26,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:19:26,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:19:26,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:19:26,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:19:26,326 INFO L87 Difference]: Start difference. First operand 68 states and 104 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:19:28,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:19:29,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:19:29,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:29,985 INFO L93 Difference]: Finished difference Result 169 states and 256 transitions. [2023-11-06 22:19:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:19:29,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 161 [2023-11-06 22:19:29,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:29,991 INFO L225 Difference]: With dead ends: 169 [2023-11-06 22:19:29,991 INFO L226 Difference]: Without dead ends: 104 [2023-11-06 22:19:29,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:19:29,995 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 50 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:29,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 242 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2023-11-06 22:19:29,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-06 22:19:30,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2023-11-06 22:19:30,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 59 states have internal predecessors, (72), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:19:30,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 152 transitions. [2023-11-06 22:19:30,024 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 152 transitions. Word has length 161 [2023-11-06 22:19:30,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:30,025 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 152 transitions. [2023-11-06 22:19:30,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:19:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2023-11-06 22:19:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-06 22:19:30,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:30,029 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:30,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:30,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:19:30,243 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:30,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:30,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1143043144, now seen corresponding path program 1 times [2023-11-06 22:19:30,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:19:30,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511099912] [2023-11-06 22:19:30,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:30,246 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 [2023-11-06 22:19:30,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:19:30,248 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:19:30,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:19:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:31,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:19:31,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:31,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:19:31,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:31,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:19:31,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511099912] [2023-11-06 22:19:31,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511099912] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:31,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:31,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:19:31,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249414521] [2023-11-06 22:19:31,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:31,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:19:31,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:19:31,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:19:31,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:19:31,160 INFO L87 Difference]: Start difference. First operand 101 states and 152 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:19:33,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:19:35,515 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 [] [2023-11-06 22:19:35,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:35,599 INFO L93 Difference]: Finished difference Result 224 states and 337 transitions. [2023-11-06 22:19:35,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:19:35,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2023-11-06 22:19:35,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:35,606 INFO L225 Difference]: With dead ends: 224 [2023-11-06 22:19:35,607 INFO L226 Difference]: Without dead ends: 126 [2023-11-06 22:19:35,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:19:35,610 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 21 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:35,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 192 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2023-11-06 22:19:35,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-06 22:19:35,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 107. [2023-11-06 22:19:35,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 64 states have (on average 1.296875) internal successors, (83), 65 states have internal predecessors, (83), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:19:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 163 transitions. [2023-11-06 22:19:35,640 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 163 transitions. Word has length 162 [2023-11-06 22:19:35,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:35,641 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 163 transitions. [2023-11-06 22:19:35,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:19:35,642 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 163 transitions. [2023-11-06 22:19:35,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-06 22:19:35,645 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:35,645 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:35,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:35,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:19:35,872 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:35,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:35,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1376916790, now seen corresponding path program 1 times [2023-11-06 22:19:35,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:19:35,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675705513] [2023-11-06 22:19:35,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:35,874 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 [2023-11-06 22:19:35,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:19:35,885 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:19:35,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5504dee7-c835-44e3-a5f9-43a4399385f3/bin/uautomizer-verify-WvqO1wxjHP/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 (5)] Waiting until timeout for monitored process [2023-11-06 22:19:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:36,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-06 22:19:36,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:56,609 WARN L293 SmtUtils]: Spent 24.19s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:22:04,502 WARN L293 SmtUtils]: Spent 27.13s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)