./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:43:19,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:43:19,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-28 23:43:19,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:43:19,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:43:19,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:43:19,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:43:19,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:43:19,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:43:19,837 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:43:19,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:43:19,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:43:19,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:43:19,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:43:19,840 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:43:19,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:43:19,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:43:19,841 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:43:19,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:43:19,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:43:19,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:43:19,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:43:19,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:43:19,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:43:19,844 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:43:19,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:43:19,845 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:43:19,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:43:19,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:43:19,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:43:19,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:43:19,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:43:19,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:43:19,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:43:19,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:43:19,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:43:19,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 23:43:19,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:43:19,849 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:43:19,849 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:43:19,849 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:43:19,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:43:19,850 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_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 [2023-11-28 23:43:20,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:43:20,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:43:20,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:43:20,090 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:43:20,091 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:43:20,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2023-11-28 23:43:22,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:43:22,951 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:43:22,951 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2023-11-28 23:43:22,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/data/029e10799/eefecd2a903b4a329cc8d8224fee880b/FLAGebca8368a [2023-11-28 23:43:22,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/data/029e10799/eefecd2a903b4a329cc8d8224fee880b [2023-11-28 23:43:22,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:43:22,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:43:22,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:43:22,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:43:22,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:43:22,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:22" (1/1) ... [2023-11-28 23:43:22,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e45532f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:22, skipping insertion in model container [2023-11-28 23:43:22,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:22" (1/1) ... [2023-11-28 23:43:23,015 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:43:23,134 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_9e2e64ff-33d3-4df1-abef-233d00241b04/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i[917,930] [2023-11-28 23:43:23,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:43:23,200 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:43:23,209 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_9e2e64ff-33d3-4df1-abef-233d00241b04/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i[917,930] [2023-11-28 23:43:23,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:43:23,250 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:43:23,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23 WrapperNode [2023-11-28 23:43:23,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:43:23,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:43:23,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:43:23,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:43:23,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2023-11-28 23:43:23,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2023-11-28 23:43:23,301 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-28 23:43:23,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:43:23,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:43:23,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:43:23,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:43:23,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2023-11-28 23:43:23,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2023-11-28 23:43:23,314 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2023-11-28 23:43:23,334 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-28 23:43:23,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2023-11-28 23:43:23,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2023-11-28 23:43:23,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2023-11-28 23:43:23,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2023-11-28 23:43:23,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2023-11-28 23:43:23,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2023-11-28 23:43:23,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:43:23,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:43:23,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:43:23,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:43:23,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2023-11-28 23:43:23,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:43:23,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:43:23,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:43:23,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:43:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:43:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 23:43:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 23:43:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 23:43:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:43:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:43:23,496 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:43:23,498 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:43:23,785 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:43:23,840 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:43:23,841 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 23:43:23,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:23 BoogieIcfgContainer [2023-11-28 23:43:23,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:43:23,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:43:23,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:43:23,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:43:23,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:43:22" (1/3) ... [2023-11-28 23:43:23,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451984fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:43:23, skipping insertion in model container [2023-11-28 23:43:23,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (2/3) ... [2023-11-28 23:43:23,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451984fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:43:23, skipping insertion in model container [2023-11-28 23:43:23,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:23" (3/3) ... [2023-11-28 23:43:23,851 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-41.i [2023-11-28 23:43:23,872 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:43:23,872 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 23:43:23,919 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:43:23,924 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3368e273, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:43:23,925 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 23:43:23,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-28 23:43:23,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-28 23:43:23,956 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:43:23,957 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:43:23,958 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:43:23,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:43:23,962 INFO L85 PathProgramCache]: Analyzing trace with hash -2138302208, now seen corresponding path program 1 times [2023-11-28 23:43:23,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:43:23,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128771280] [2023-11-28 23:43:23,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:23,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:43:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:43:24,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:43:24,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128771280] [2023-11-28 23:43:24,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-28 23:43:24,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954595342] [2023-11-28 23:43:24,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:24,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:43:24,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:43:24,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:43:24,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-28 23:43:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:43:24,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-28 23:43:24,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:43:24,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2023-11-28 23:43:24,436 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:43:24,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954595342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:43:24,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:43:24,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:43:24,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059290849] [2023-11-28 23:43:24,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:43:24,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 23:43:24,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:43:24,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 23:43:24,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:43:24,480 INFO L87 Difference]: Start difference. First operand has 66 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-28 23:43:24,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:43:24,526 INFO L93 Difference]: Finished difference Result 129 states and 229 transitions. [2023-11-28 23:43:24,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 23:43:24,531 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 155 [2023-11-28 23:43:24,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:43:24,543 INFO L225 Difference]: With dead ends: 129 [2023-11-28 23:43:24,544 INFO L226 Difference]: Without dead ends: 64 [2023-11-28 23:43:24,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:43:24,554 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:43:24,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:43:24,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-28 23:43:24,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-28 23:43:24,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-28 23:43:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 98 transitions. [2023-11-28 23:43:24,629 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 98 transitions. Word has length 155 [2023-11-28 23:43:24,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:43:24,630 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 98 transitions. [2023-11-28 23:43:24,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-28 23:43:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions. [2023-11-28 23:43:24,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-28 23:43:24,634 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:43:24,635 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:43:24,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-28 23:43:24,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-28 23:43:24,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:43:24,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:43:24,837 INFO L85 PathProgramCache]: Analyzing trace with hash -611267266, now seen corresponding path program 1 times [2023-11-28 23:43:24,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:43:24,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640312442] [2023-11-28 23:43:24,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:24,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:43:24,898 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:43:24,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [840316858] [2023-11-28 23:43:24,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:24,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:43:24,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:43:24,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:43:24,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-28 23:43:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:43:25,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-28 23:43:25,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:43:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 468 proven. 24 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2023-11-28 23:43:25,777 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:43:28,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:43:28,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640312442] [2023-11-28 23:43:28,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:43:28,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840316858] [2023-11-28 23:43:28,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840316858] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:43:28,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:43:28,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2023-11-28 23:43:28,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825071718] [2023-11-28 23:43:28,650 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 23:43:28,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-28 23:43:28,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:43:28,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-28 23:43:28,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2023-11-28 23:43:28,653 INFO L87 Difference]: Start difference. First operand 64 states and 98 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-28 23:43:30,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:43:30,558 INFO L93 Difference]: Finished difference Result 238 states and 341 transitions. [2023-11-28 23:43:30,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-28 23:43:30,560 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 155 [2023-11-28 23:43:30,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:43:30,564 INFO L225 Difference]: With dead ends: 238 [2023-11-28 23:43:30,564 INFO L226 Difference]: Without dead ends: 175 [2023-11-28 23:43:30,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=374, Invalid=886, Unknown=0, NotChecked=0, Total=1260 [2023-11-28 23:43:30,568 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 156 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:43:30,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 487 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-28 23:43:30,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-28 23:43:30,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 159. [2023-11-28 23:43:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 90 states have (on average 1.1888888888888889) internal successors, (107), 92 states have internal predecessors, (107), 61 states have call successors, (61), 7 states have call predecessors, (61), 7 states have return successors, (61), 59 states have call predecessors, (61), 61 states have call successors, (61) [2023-11-28 23:43:30,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 229 transitions. [2023-11-28 23:43:30,610 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 229 transitions. Word has length 155 [2023-11-28 23:43:30,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:43:30,611 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 229 transitions. [2023-11-28 23:43:30,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-28 23:43:30,612 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 229 transitions. [2023-11-28 23:43:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-28 23:43:30,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:43:30,615 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:43:30,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-28 23:43:30,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-28 23:43:30,816 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:43:30,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:43:30,817 INFO L85 PathProgramCache]: Analyzing trace with hash -554008964, now seen corresponding path program 1 times [2023-11-28 23:43:30,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:43:30,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432704685] [2023-11-28 23:43:30,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:30,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:43:30,858 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:43:30,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490866423] [2023-11-28 23:43:30,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:30,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:43:30,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:43:30,860 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:43:30,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-28 23:43:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:43:30,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 23:43:30,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:43:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-28 23:43:31,000 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:43:31,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:43:31,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432704685] [2023-11-28 23:43:31,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:43:31,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490866423] [2023-11-28 23:43:31,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490866423] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:43:31,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:43:31,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:43:31,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350710401] [2023-11-28 23:43:31,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:43:31,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:43:31,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:43:31,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:43:31,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:43:31,004 INFO L87 Difference]: Start difference. First operand 159 states and 229 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-28 23:43:31,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:43:31,049 INFO L93 Difference]: Finished difference Result 293 states and 412 transitions. [2023-11-28 23:43:31,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:43:31,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 155 [2023-11-28 23:43:31,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:43:31,054 INFO L225 Difference]: With dead ends: 293 [2023-11-28 23:43:31,054 INFO L226 Difference]: Without dead ends: 135 [2023-11-28 23:43:31,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:43:31,057 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 16 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:43:31,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 186 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:43:31,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-28 23:43:31,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 132. [2023-11-28 23:43:31,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 78 states have (on average 1.1666666666666667) internal successors, (91), 80 states have internal predecessors, (91), 45 states have call successors, (45), 8 states have call predecessors, (45), 8 states have return successors, (45), 43 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-28 23:43:31,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 181 transitions. [2023-11-28 23:43:31,084 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 181 transitions. Word has length 155 [2023-11-28 23:43:31,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:43:31,085 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 181 transitions. [2023-11-28 23:43:31,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-28 23:43:31,085 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 181 transitions. [2023-11-28 23:43:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-28 23:43:31,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:43:31,089 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:43:31,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-28 23:43:31,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:43:31,295 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:43:31,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:43:31,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1420613892, now seen corresponding path program 1 times [2023-11-28 23:43:31,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:43:31,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545478979] [2023-11-28 23:43:31,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:31,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:43:31,332 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:43:31,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1639840359] [2023-11-28 23:43:31,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:31,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:43:31,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:43:31,334 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:43:31,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-28 23:43:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:43:31,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-28 23:43:31,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:43:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 532 proven. 33 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2023-11-28 23:43:32,682 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:43:47,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:43:47,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545478979] [2023-11-28 23:43:47,630 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:43:47,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639840359] [2023-11-28 23:43:47,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639840359] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:43:47,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:43:47,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2023-11-28 23:43:47,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847855661] [2023-11-28 23:43:47,631 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 23:43:47,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-28 23:43:47,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:43:47,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-28 23:43:47,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2023-11-28 23:43:47,633 INFO L87 Difference]: Start difference. First operand 132 states and 181 transitions. Second operand has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 5 states have call successors, (25), 5 states have call predecessors, (25), 7 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2023-11-28 23:43:49,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:43:49,103 INFO L93 Difference]: Finished difference Result 333 states and 446 transitions. [2023-11-28 23:43:49,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-28 23:43:49,104 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 5 states have call successors, (25), 5 states have call predecessors, (25), 7 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 155 [2023-11-28 23:43:49,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:43:49,107 INFO L225 Difference]: With dead ends: 333 [2023-11-28 23:43:49,107 INFO L226 Difference]: Without dead ends: 208 [2023-11-28 23:43:49,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=564, Invalid=1692, Unknown=0, NotChecked=0, Total=2256 [2023-11-28 23:43:49,109 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 189 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 23:43:49,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 386 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 23:43:49,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-11-28 23:43:49,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 127. [2023-11-28 23:43:49,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 76 states have (on average 1.1710526315789473) internal successors, (89), 77 states have internal predecessors, (89), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-28 23:43:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 173 transitions. [2023-11-28 23:43:49,139 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 173 transitions. Word has length 155 [2023-11-28 23:43:49,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:43:49,140 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 173 transitions. [2023-11-28 23:43:49,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 5 states have call successors, (25), 5 states have call predecessors, (25), 7 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2023-11-28 23:43:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 173 transitions. [2023-11-28 23:43:49,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-28 23:43:49,142 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:43:49,142 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:43:49,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-28 23:43:49,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:43:49,343 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:43:49,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:43:49,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1363355590, now seen corresponding path program 1 times [2023-11-28 23:43:49,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:43:49,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440127203] [2023-11-28 23:43:49,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:49,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:43:49,375 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:43:49,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1506767295] [2023-11-28 23:43:49,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:49,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:43:49,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:43:49,376 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:43:49,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-28 23:43:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:43:49,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-28 23:43:49,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:43:50,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 510 proven. 36 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2023-11-28 23:43:50,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:43:52,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:43:52,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440127203] [2023-11-28 23:43:52,071 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:43:52,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506767295] [2023-11-28 23:43:52,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506767295] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:43:52,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:43:52,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-11-28 23:43:52,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876286776] [2023-11-28 23:43:52,072 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 23:43:52,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-28 23:43:52,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:43:52,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-28 23:43:52,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-11-28 23:43:52,074 INFO L87 Difference]: Start difference. First operand 127 states and 173 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-28 23:43:52,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:43:52,928 INFO L93 Difference]: Finished difference Result 310 states and 417 transitions. [2023-11-28 23:43:52,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-28 23:43:52,929 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 155 [2023-11-28 23:43:52,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:43:52,931 INFO L225 Difference]: With dead ends: 310 [2023-11-28 23:43:52,931 INFO L226 Difference]: Without dead ends: 184 [2023-11-28 23:43:52,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=217, Invalid=653, Unknown=0, NotChecked=0, Total=870 [2023-11-28 23:43:52,933 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 120 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 23:43:52,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 489 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 23:43:52,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-11-28 23:43:52,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 121. [2023-11-28 23:43:52,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 71 states have internal predecessors, (80), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-28 23:43:52,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2023-11-28 23:43:52,959 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 155 [2023-11-28 23:43:52,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:43:52,960 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2023-11-28 23:43:52,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-28 23:43:52,961 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2023-11-28 23:43:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-28 23:43:52,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:43:52,963 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:43:52,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-28 23:43:53,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:43:53,167 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:43:53,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:43:53,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1770174225, now seen corresponding path program 1 times [2023-11-28 23:43:53,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:43:53,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037677798] [2023-11-28 23:43:53,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:53,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:43:53,189 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:43:53,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [408463692] [2023-11-28 23:43:53,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:53,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:43:53,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:43:53,190 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:43:53,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-28 23:43:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:43:53,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:43:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:43:53,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:43:53,461 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-28 23:43:53,462 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-28 23:43:53,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-28 23:43:53,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-28 23:43:53,667 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-28 23:43:53,669 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 23:43:53,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:43:53 BoogieIcfgContainer [2023-11-28 23:43:53,770 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 23:43:53,771 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 23:43:53,771 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 23:43:53,771 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 23:43:53,771 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:23" (3/4) ... [2023-11-28 23:43:53,773 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 23:43:53,774 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 23:43:53,775 INFO L158 Benchmark]: Toolchain (without parser) took 30795.98ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 136.5MB in the beginning and 147.2MB in the end (delta: -10.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-11-28 23:43:53,775 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 178.3MB. Free memory was 145.7MB in the beginning and 145.7MB in the end (delta: 16.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:43:53,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.52ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 122.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-28 23:43:53,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.89ms. Allocated memory is still 178.3MB. Free memory was 122.4MB in the beginning and 118.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-28 23:43:53,776 INFO L158 Benchmark]: Boogie Preprocessor took 54.29ms. Allocated memory is still 178.3MB. Free memory was 118.7MB in the beginning and 113.0MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-28 23:43:53,777 INFO L158 Benchmark]: RCFGBuilder took 484.36ms. Allocated memory is still 178.3MB. Free memory was 113.0MB in the beginning and 87.3MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-28 23:43:53,777 INFO L158 Benchmark]: TraceAbstraction took 29925.82ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 86.8MB in the beginning and 147.2MB in the end (delta: -60.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:43:53,777 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 213.9MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:43:53,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 178.3MB. Free memory was 145.7MB in the beginning and 145.7MB in the end (delta: 16.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.52ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 122.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.89ms. Allocated memory is still 178.3MB. Free memory was 122.4MB in the beginning and 118.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.29ms. Allocated memory is still 178.3MB. Free memory was 118.7MB in the beginning and 113.0MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 484.36ms. Allocated memory is still 178.3MB. Free memory was 113.0MB in the beginning and 87.3MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 29925.82ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 86.8MB in the beginning and 147.2MB in the end (delta: -60.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 213.9MB. Free memory is still 147.2MB. 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 136, overapproximation of someBinaryDOUBLEComparisonOperation at line 136. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] float var_1_2 = 100.25; [L24] unsigned char var_1_3 = 1; [L25] unsigned char var_1_4 = 1; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] double var_1_7 = 4.8; [L29] signed char var_1_8 = 64; [L30] unsigned short int var_1_9 = 4; [L31] unsigned short int var_1_10 = 0; [L32] signed char var_1_11 = -10; [L33] signed char var_1_12 = 64; [L34] float var_1_13 = 1.6; [L35] float var_1_14 = 3.5; [L36] unsigned char var_1_15 = 8; [L37] unsigned char var_1_16 = 4; [L38] unsigned short int var_1_17 = 2; [L39] unsigned short int var_1_18 = 10000; [L40] unsigned short int var_1_19 = 5; [L41] signed short int var_1_20 = 4; [L42] unsigned long int var_1_21 = 5; [L43] signed char var_1_22 = -32; [L44] unsigned long int var_1_23 = 0; [L140] isInitial = 1 [L141] FCALL initially() [L142] COND TRUE 1 [L143] FCALL updateLastVariables() [L144] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L94] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L95] var_1_3 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L96] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L97] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L97] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L98] var_1_4 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L99] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L100] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L101] var_1_5 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L102] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L103] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L103] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L104] var_1_7 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64, var_1_9=4] [L105] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64, var_1_9=4] [L106] var_1_9 = __VERIFIER_nondet_ushort() [L107] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L107] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L108] CALL assume_abort_if_not(var_1_9 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L108] RET assume_abort_if_not(var_1_9 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L109] var_1_10 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L111] CALL assume_abort_if_not(var_1_10 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L111] RET assume_abort_if_not(var_1_10 <= 65535) VAL [isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L112] var_1_11 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L113] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L114] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L114] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L115] var_1_12 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L116] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L117] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L117] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L118] var_1_14 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L119] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L120] var_1_16 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L121] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L122] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L122] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L123] var_1_18 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L124] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L125] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L125] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L126] var_1_19 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L127] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L128] CALL assume_abort_if_not(var_1_19 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L128] RET assume_abort_if_not(var_1_19 <= 16383) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L129] var_1_21 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L130] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L131] CALL assume_abort_if_not(var_1_21 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L131] RET assume_abort_if_not(var_1_21 <= 4294967295) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L144] RET updateVariables() [L145] CALL step() [L48] COND TRUE (- var_1_2) > 31.9f [L49] var_1_1 = ((var_1_3 || var_1_4) && var_1_5) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L53] COND FALSE !((127.35 + var_1_2) <= var_1_7) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L58] unsigned short int stepLocal_0 = var_1_10; VAL [isInitial=1, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L59] COND TRUE var_1_9 > stepLocal_0 [L60] var_1_8 = ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) VAL [isInitial=1, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L62] unsigned char stepLocal_1 = var_1_12 < var_1_8; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L63] COND FALSE !((! var_1_5) || stepLocal_1) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L70] COND TRUE \read(var_1_3) [L71] var_1_15 = var_1_16 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L73] unsigned char stepLocal_2 = var_1_9 < var_1_15; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=2, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L74] COND TRUE var_1_3 || stepLocal_2 [L75] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_19)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=16386, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L79] signed long int stepLocal_3 = -10; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=-10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=16386, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L80] COND FALSE !(((var_1_17 / var_1_18) * var_1_19) < stepLocal_3) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=-10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=16386, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L83] COND TRUE ! (var_1_21 <= var_1_10) [L84] var_1_20 = var_1_11 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=-10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=16386, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=0, var_1_21=1, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L89] var_1_22 = 1 [L90] var_1_23 = var_1_15 [L145] RET step() [L146] CALL, EXPR property() [L136-L137] return ((((((((((- var_1_2) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_3 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_2) <= var_1_7) ? ((4.5 <= (var_1_7 * var_1_2)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_9 > var_1_10) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < var_1_8)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_3 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_3 || (var_1_9 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_19)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_17 / var_1_18) * var_1_19) < -10) ? (var_1_20 == ((signed short int) ((((var_1_19) > (var_1_16)) ? (var_1_19) : (var_1_16))))) : ((! (var_1_21 <= var_1_10)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_15)) ; [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=16386, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=16386, var_1_18=8193, var_1_19=8193, var_1_1=1, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.8s, OverallIterations: 6, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 558 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 481 mSDsluCounter, 1643 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1112 mSDsCounter, 222 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2154 IncrementalHoareTripleChecker+Invalid, 2376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 222 mSolverCounterUnsat, 531 mSDtfsCounter, 2154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 890 GetRequests, 781 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 992 ImplicationChecksByTransitivity, 12.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=2, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 163 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 21.6s InterpolantComputationTime, 1086 NumberOfCodeBlocks, 1086 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 770 ConstructedInterpolants, 0 QuantifiedInterpolants, 2763 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1779 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 5907/6000 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-28 23:43:53,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:43:55,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:43:55,652 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-28 23:43:55,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:43:55,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:43:55,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:43:55,687 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:43:55,687 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:43:55,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:43:55,688 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:43:55,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:43:55,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:43:55,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:43:55,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:43:55,691 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:43:55,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:43:55,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:43:55,693 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:43:55,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:43:55,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:43:55,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:43:55,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:43:55,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:43:55,696 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-28 23:43:55,696 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-28 23:43:55,696 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-28 23:43:55,697 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:43:55,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:43:55,698 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:43:55,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:43:55,698 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:43:55,699 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:43:55,699 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:43:55,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:43:55,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:43:55,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:43:55,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:43:55,700 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-28 23:43:55,701 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-28 23:43:55,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:43:55,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:43:55,701 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:43:55,702 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:43:55,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:43:55,702 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-28 23:43:55,702 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_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 [2023-11-28 23:43:56,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:43:56,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:43:56,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:43:56,029 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:43:56,029 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:43:56,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2023-11-28 23:43:58,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:43:59,050 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:43:59,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2023-11-28 23:43:59,060 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/data/5acfcafec/ec1e813970554c07af90f975dce307df/FLAGf585e9681 [2023-11-28 23:43:59,088 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/data/5acfcafec/ec1e813970554c07af90f975dce307df [2023-11-28 23:43:59,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:43:59,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:43:59,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:43:59,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:43:59,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:43:59,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8a9561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59, skipping insertion in model container [2023-11-28 23:43:59,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,132 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:43:59,286 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_9e2e64ff-33d3-4df1-abef-233d00241b04/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i[917,930] [2023-11-28 23:43:59,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:43:59,367 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:43:59,383 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_9e2e64ff-33d3-4df1-abef-233d00241b04/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i[917,930] [2023-11-28 23:43:59,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:43:59,439 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:43:59,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59 WrapperNode [2023-11-28 23:43:59,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:43:59,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:43:59,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:43:59,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:43:59,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,495 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-28 23:43:59,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:43:59,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:43:59,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:43:59,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:43:59,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,514 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,529 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-28 23:43:59,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:43:59,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:43:59,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:43:59,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:43:59,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59" (1/1) ... [2023-11-28 23:43:59,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:43:59,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:43:59,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:43:59,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:43:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:43:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-28 23:43:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 23:43:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 23:43:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:43:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:43:59,707 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:43:59,708 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:44:13,105 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:44:13,158 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:44:13,158 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 23:44:13,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:44:13 BoogieIcfgContainer [2023-11-28 23:44:13,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:44:13,162 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:44:13,162 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:44:13,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:44:13,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:43:59" (1/3) ... [2023-11-28 23:44:13,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756d696c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:44:13, skipping insertion in model container [2023-11-28 23:44:13,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:59" (2/3) ... [2023-11-28 23:44:13,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756d696c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:44:13, skipping insertion in model container [2023-11-28 23:44:13,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:44:13" (3/3) ... [2023-11-28 23:44:13,168 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-41.i [2023-11-28 23:44:13,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:44:13,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 23:44:13,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:44:13,239 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4daf232a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:44:13,239 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 23:44:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-28 23:44:13,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-28 23:44:13,259 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:44:13,260 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:44:13,261 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:44:13,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:44:13,266 INFO L85 PathProgramCache]: Analyzing trace with hash -2138302208, now seen corresponding path program 1 times [2023-11-28 23:44:13,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:44:13,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428193511] [2023-11-28 23:44:13,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:44:13,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:44:13,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:44:13,282 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:44:13,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-28 23:44:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:44:13,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-28 23:44:13,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:44:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-28 23:44:13,829 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:44:13,829 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:44:13,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428193511] [2023-11-28 23:44:13,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428193511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:44:13,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:44:13,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:44:13,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377391896] [2023-11-28 23:44:13,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:44:13,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 23:44:13,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:44:13,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 23:44:13,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:44:13,870 INFO L87 Difference]: Start difference. First operand has 66 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-28 23:44:18,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-28 23:44:18,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:44:18,099 INFO L93 Difference]: Finished difference Result 129 states and 229 transitions. [2023-11-28 23:44:18,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 23:44:18,159 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 155 [2023-11-28 23:44:18,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:44:18,169 INFO L225 Difference]: With dead ends: 129 [2023-11-28 23:44:18,169 INFO L226 Difference]: Without dead ends: 64 [2023-11-28 23:44:18,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:44:18,177 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-28 23:44:18,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-11-28 23:44:18,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-28 23:44:18,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-28 23:44:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-28 23:44:18,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 98 transitions. [2023-11-28 23:44:18,229 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 98 transitions. Word has length 155 [2023-11-28 23:44:18,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:44:18,230 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 98 transitions. [2023-11-28 23:44:18,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-28 23:44:18,230 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions. [2023-11-28 23:44:18,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-28 23:44:18,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:44:18,235 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:44:18,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-28 23:44:18,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:44:18,436 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:44:18,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:44:18,437 INFO L85 PathProgramCache]: Analyzing trace with hash -611267266, now seen corresponding path program 1 times [2023-11-28 23:44:18,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:44:18,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974079677] [2023-11-28 23:44:18,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:44:18,438 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:44:18,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:44:18,463 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:44:18,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-28 23:44:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:44:18,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-28 23:44:18,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:44:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 468 proven. 24 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2023-11-28 23:44:20,431 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:44:25,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:44:25,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974079677] [2023-11-28 23:44:25,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974079677] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:44:25,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [64817887] [2023-11-28 23:44:25,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:44:25,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-28 23:44:25,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-28 23:44:25,166 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-28 23:44:25,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e64ff-33d3-4df1-abef-233d00241b04/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-28 23:44:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:44:26,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-28 23:44:26,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:47:26,403 WARN L293 SmtUtils]: Spent 11.17s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)