./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.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_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme --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 965493649683322c4c4531e65d7189f027c727871d6e00cfa208433dbe39feba --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:06:05,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:06:05,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:06:05,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:06:05,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:06:05,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:06:05,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:06:05,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:06:05,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:06:05,411 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:06:05,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:06:05,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:06:05,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:06:05,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:06:05,415 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:06:05,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:06:05,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:06:05,417 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:06:05,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:06:05,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:06:05,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:06:05,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:06:05,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:06:05,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:06:05,421 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:06:05,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:06:05,422 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:06:05,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:06:05,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:06:05,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:06:05,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:06:05,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:06:05,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:06:05,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:06:05,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:06:05,426 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:06:05,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:06:05,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:06:05,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:06:05,427 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:06:05,427 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:06:05,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:06:05,428 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_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 965493649683322c4c4531e65d7189f027c727871d6e00cfa208433dbe39feba [2023-11-26 12:06:05,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:06:05,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:06:05,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:06:05,782 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:06:05,782 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:06:05,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i [2023-11-26 12:06:08,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:06:09,215 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:06:09,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i [2023-11-26 12:06:09,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/data/662ac32ec/5c523426b9384ad78a52b4d26d2ed566/FLAG6deb6fb30 [2023-11-26 12:06:09,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/data/662ac32ec/5c523426b9384ad78a52b4d26d2ed566 [2023-11-26 12:06:09,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:06:09,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:06:09,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:06:09,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:06:09,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:06:09,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d8521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09, skipping insertion in model container [2023-11-26 12:06:09,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,319 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:06:09,507 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_afc5280c-84cd-495a-9765-da03be2e42ea/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i[918,931] [2023-11-26 12:06:09,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:06:09,591 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:06:09,608 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_afc5280c-84cd-495a-9765-da03be2e42ea/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i[918,931] [2023-11-26 12:06:09,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:06:09,667 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:06:09,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09 WrapperNode [2023-11-26 12:06:09,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:06:09,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:06:09,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:06:09,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:06:09,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,759 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213 [2023-11-26 12:06:09,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:06:09,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:06:09,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:06:09,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:06:09,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,788 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,850 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]. [2023-11-26 12:06:09,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:06:09,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:06:09,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:06:09,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:06:09,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09" (1/1) ... [2023-11-26 12:06:09,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:06:09,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:09,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:09,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:06:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:06:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:06:10,013 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:06:10,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:06:10,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:06:10,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:06:10,137 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:06:10,140 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:06:10,752 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:06:10,818 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:06:10,818 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:06:10,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:10 BoogieIcfgContainer [2023-11-26 12:06:10,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:06:10,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:06:10,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:06:10,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:06:10,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:06:09" (1/3) ... [2023-11-26 12:06:10,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33286306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:06:10, skipping insertion in model container [2023-11-26 12:06:10,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:09" (2/3) ... [2023-11-26 12:06:10,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33286306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:06:10, skipping insertion in model container [2023-11-26 12:06:10,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:10" (3/3) ... [2023-11-26 12:06:10,835 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i [2023-11-26 12:06:10,858 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:06:10,858 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:06:10,916 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:06:10,922 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;@c1a9110, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:06:10,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:06:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 62 states have (on average 1.6129032258064515) internal successors, (100), 63 states have internal predecessors, (100), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 12:06:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 12:06:10,944 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:10,944 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:10,945 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:10,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:10,951 INFO L85 PathProgramCache]: Analyzing trace with hash -218736605, now seen corresponding path program 1 times [2023-11-26 12:06:10,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:10,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408694921] [2023-11-26 12:06:10,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:10,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:11,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:11,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408694921] [2023-11-26 12:06:11,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 12:06:11,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240154887] [2023-11-26 12:06:11,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:11,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:11,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:11,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:11,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:06:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:11,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:06:11,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:11,526 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-26 12:06:11,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:11,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240154887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:11,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:11,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:06:11,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246792235] [2023-11-26 12:06:11,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:11,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:06:11,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:11,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:06:11,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:06:11,591 INFO L87 Difference]: Start difference. First operand has 84 states, 62 states have (on average 1.6129032258064515) internal successors, (100), 63 states have internal predecessors, (100), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 12:06:11,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:11,670 INFO L93 Difference]: Finished difference Result 165 states and 293 transitions. [2023-11-26 12:06:11,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:06:11,673 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 133 [2023-11-26 12:06:11,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:11,682 INFO L225 Difference]: With dead ends: 165 [2023-11-26 12:06:11,683 INFO L226 Difference]: Without dead ends: 82 [2023-11-26 12:06:11,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:06:11,692 INFO L413 NwaCegarLoop]: 129 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, 129 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 [2023-11-26 12:06:11,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:06:11,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-26 12:06:11,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-26 12:06:11,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 61 states have (on average 1.540983606557377) internal successors, (94), 61 states have internal predecessors, (94), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 12:06:11,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 132 transitions. [2023-11-26 12:06:11,763 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 132 transitions. Word has length 133 [2023-11-26 12:06:11,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:11,764 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 132 transitions. [2023-11-26 12:06:11,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 12:06:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 132 transitions. [2023-11-26 12:06:11,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 12:06:11,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:11,771 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:11,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:11,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 12:06:11,979 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:11,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:11,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1861973795, now seen corresponding path program 1 times [2023-11-26 12:06:11,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:11,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081012059] [2023-11-26 12:06:11,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:11,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:12,037 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:12,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [884428392] [2023-11-26 12:06:12,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:12,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:12,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:12,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:12,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 12:06:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:12,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:06:12,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-26 12:06:12,263 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:12,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:12,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081012059] [2023-11-26 12:06:12,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:12,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884428392] [2023-11-26 12:06:12,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884428392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:12,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:12,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:06:12,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380725910] [2023-11-26 12:06:12,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:12,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:06:12,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:12,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:06:12,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:06:12,268 INFO L87 Difference]: Start difference. First operand 82 states and 132 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:12,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:12,328 INFO L93 Difference]: Finished difference Result 164 states and 265 transitions. [2023-11-26 12:06:12,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:06:12,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2023-11-26 12:06:12,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:12,331 INFO L225 Difference]: With dead ends: 164 [2023-11-26 12:06:12,332 INFO L226 Difference]: Without dead ends: 83 [2023-11-26 12:06:12,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:06:12,335 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:12,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 251 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:06:12,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-26 12:06:12,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-26 12:06:12,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 62 states have (on average 1.532258064516129) internal successors, (95), 62 states have internal predecessors, (95), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 12:06:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 133 transitions. [2023-11-26 12:06:12,350 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 133 transitions. Word has length 133 [2023-11-26 12:06:12,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:12,353 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 133 transitions. [2023-11-26 12:06:12,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:12,353 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 133 transitions. [2023-11-26 12:06:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 12:06:12,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:12,357 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:12,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:12,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:12,562 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:12,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:12,563 INFO L85 PathProgramCache]: Analyzing trace with hash 627555167, now seen corresponding path program 1 times [2023-11-26 12:06:12,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:12,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788491983] [2023-11-26 12:06:12,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:12,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:12,635 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:12,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1439437432] [2023-11-26 12:06:12,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:12,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:12,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:12,653 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:12,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 12:06:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:12,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:06:12,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:12,900 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-26 12:06:12,901 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:12,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:12,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788491983] [2023-11-26 12:06:12,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:12,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439437432] [2023-11-26 12:06:12,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439437432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:12,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:12,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:06:12,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2885849] [2023-11-26 12:06:12,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:12,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:06:12,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:12,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:06:12,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:06:12,905 INFO L87 Difference]: Start difference. First operand 83 states and 133 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:12,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:12,991 INFO L93 Difference]: Finished difference Result 225 states and 359 transitions. [2023-11-26 12:06:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:06:12,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2023-11-26 12:06:12,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:13,001 INFO L225 Difference]: With dead ends: 225 [2023-11-26 12:06:13,001 INFO L226 Difference]: Without dead ends: 143 [2023-11-26 12:06:13,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:06:13,005 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 89 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:13,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 263 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:06:13,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-26 12:06:13,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 140. [2023-11-26 12:06:13,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 105 states have (on average 1.4952380952380953) internal successors, (157), 106 states have internal predecessors, (157), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-26 12:06:13,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 221 transitions. [2023-11-26 12:06:13,030 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 221 transitions. Word has length 133 [2023-11-26 12:06:13,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:13,031 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 221 transitions. [2023-11-26 12:06:13,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:13,031 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 221 transitions. [2023-11-26 12:06:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 12:06:13,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:13,035 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:13,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:13,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:13,243 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:13,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:13,244 INFO L85 PathProgramCache]: Analyzing trace with hash -652308511, now seen corresponding path program 1 times [2023-11-26 12:06:13,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:13,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637591733] [2023-11-26 12:06:13,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:13,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:13,285 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:13,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1171416898] [2023-11-26 12:06:13,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:13,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:13,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:13,287 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:13,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 12:06:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:13,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 12:06:13,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-26 12:06:13,805 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:13,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:13,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637591733] [2023-11-26 12:06:13,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:13,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171416898] [2023-11-26 12:06:13,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171416898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:13,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:13,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:06:13,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346637332] [2023-11-26 12:06:13,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:13,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:06:13,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:13,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:06:13,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:06:13,809 INFO L87 Difference]: Start difference. First operand 140 states and 221 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:14,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:14,337 INFO L93 Difference]: Finished difference Result 473 states and 746 transitions. [2023-11-26 12:06:14,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 12:06:14,339 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2023-11-26 12:06:14,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:14,346 INFO L225 Difference]: With dead ends: 473 [2023-11-26 12:06:14,346 INFO L226 Difference]: Without dead ends: 334 [2023-11-26 12:06:14,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:06:14,349 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 214 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:14,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 555 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 12:06:14,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2023-11-26 12:06:14,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 302. [2023-11-26 12:06:14,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 255 states have (on average 1.5686274509803921) internal successors, (400), 258 states have internal predecessors, (400), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-26 12:06:14,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 484 transitions. [2023-11-26 12:06:14,416 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 484 transitions. Word has length 133 [2023-11-26 12:06:14,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:14,418 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 484 transitions. [2023-11-26 12:06:14,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 484 transitions. [2023-11-26 12:06:14,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 12:06:14,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:14,422 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:14,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-26 12:06:14,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-26 12:06:14,629 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:14,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:14,630 INFO L85 PathProgramCache]: Analyzing trace with hash -786322017, now seen corresponding path program 1 times [2023-11-26 12:06:14,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:14,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015553239] [2023-11-26 12:06:14,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:14,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:14,673 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:14,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1835202002] [2023-11-26 12:06:14,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:14,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:14,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:14,688 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:14,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 12:06:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:14,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 12:06:14,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:15,174 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-26 12:06:15,176 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:15,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:15,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015553239] [2023-11-26 12:06:15,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:15,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835202002] [2023-11-26 12:06:15,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835202002] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:15,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:15,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:06:15,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346427084] [2023-11-26 12:06:15,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:15,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:06:15,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:15,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:06:15,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:06:15,190 INFO L87 Difference]: Start difference. First operand 302 states and 484 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:15,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:15,820 INFO L93 Difference]: Finished difference Result 639 states and 1013 transitions. [2023-11-26 12:06:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 12:06:15,821 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2023-11-26 12:06:15,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:15,824 INFO L225 Difference]: With dead ends: 639 [2023-11-26 12:06:15,824 INFO L226 Difference]: Without dead ends: 338 [2023-11-26 12:06:15,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:06:15,827 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 156 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:15,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 655 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 12:06:15,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2023-11-26 12:06:15,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 244. [2023-11-26 12:06:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 197 states have (on average 1.5228426395939085) internal successors, (300), 200 states have internal predecessors, (300), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-26 12:06:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 384 transitions. [2023-11-26 12:06:15,865 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 384 transitions. Word has length 133 [2023-11-26 12:06:15,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:15,866 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 384 transitions. [2023-11-26 12:06:15,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:15,866 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 384 transitions. [2023-11-26 12:06:15,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 12:06:15,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:15,868 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:15,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-26 12:06:16,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:16,075 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:16,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:16,076 INFO L85 PathProgramCache]: Analyzing trace with hash -590268897, now seen corresponding path program 1 times [2023-11-26 12:06:16,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:16,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397840312] [2023-11-26 12:06:16,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:16,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:16,121 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:16,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [670379041] [2023-11-26 12:06:16,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:16,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:16,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:16,123 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:16,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 12:06:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:16,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:06:16,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-26 12:06:16,648 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:16,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:16,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397840312] [2023-11-26 12:06:16,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:16,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670379041] [2023-11-26 12:06:16,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670379041] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:16,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:16,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:06:16,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765595789] [2023-11-26 12:06:16,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:16,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:06:16,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:16,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:06:16,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:06:16,652 INFO L87 Difference]: Start difference. First operand 244 states and 384 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:17,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:17,324 INFO L93 Difference]: Finished difference Result 580 states and 912 transitions. [2023-11-26 12:06:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 12:06:17,327 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2023-11-26 12:06:17,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:17,331 INFO L225 Difference]: With dead ends: 580 [2023-11-26 12:06:17,331 INFO L226 Difference]: Without dead ends: 337 [2023-11-26 12:06:17,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:06:17,335 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 250 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:17,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 643 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 12:06:17,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2023-11-26 12:06:17,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 306. [2023-11-26 12:06:17,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 259 states have (on average 1.5598455598455598) internal successors, (404), 262 states have internal predecessors, (404), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-26 12:06:17,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 488 transitions. [2023-11-26 12:06:17,362 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 488 transitions. Word has length 133 [2023-11-26 12:06:17,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:17,363 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 488 transitions. [2023-11-26 12:06:17,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:17,364 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 488 transitions. [2023-11-26 12:06:17,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 12:06:17,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:17,367 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:17,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:17,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-26 12:06:17,574 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:17,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:17,575 INFO L85 PathProgramCache]: Analyzing trace with hash -724282403, now seen corresponding path program 1 times [2023-11-26 12:06:17,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:17,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270361572] [2023-11-26 12:06:17,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:17,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:17,604 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:17,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1228104103] [2023-11-26 12:06:17,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:17,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:17,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:17,606 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:17,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 12:06:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:17,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:06:17,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-26 12:06:18,120 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:18,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:18,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270361572] [2023-11-26 12:06:18,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:18,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228104103] [2023-11-26 12:06:18,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228104103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:18,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:18,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:06:18,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686841380] [2023-11-26 12:06:18,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:18,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:06:18,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:18,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:06:18,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:06:18,125 INFO L87 Difference]: Start difference. First operand 306 states and 488 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:20,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:20,032 INFO L93 Difference]: Finished difference Result 646 states and 1020 transitions. [2023-11-26 12:06:20,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 12:06:20,033 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2023-11-26 12:06:20,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:20,038 INFO L225 Difference]: With dead ends: 646 [2023-11-26 12:06:20,038 INFO L226 Difference]: Without dead ends: 341 [2023-11-26 12:06:20,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:06:20,044 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 200 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:20,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 653 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-26 12:06:20,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-11-26 12:06:20,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 248. [2023-11-26 12:06:20,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 201 states have (on average 1.5124378109452736) internal successors, (304), 204 states have internal predecessors, (304), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-26 12:06:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 388 transitions. [2023-11-26 12:06:20,073 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 388 transitions. Word has length 133 [2023-11-26 12:06:20,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:20,074 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 388 transitions. [2023-11-26 12:06:20,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 388 transitions. [2023-11-26 12:06:20,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-26 12:06:20,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:20,077 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:20,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-26 12:06:20,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:20,284 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:20,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:20,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1646754170, now seen corresponding path program 1 times [2023-11-26 12:06:20,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:20,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707223938] [2023-11-26 12:06:20,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:20,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:20,337 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:20,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [107080686] [2023-11-26 12:06:20,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:20,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:20,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:20,339 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:20,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 12:06:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:20,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 12:06:20,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-26 12:06:20,614 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:20,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:20,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707223938] [2023-11-26 12:06:20,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:20,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107080686] [2023-11-26 12:06:20,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107080686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:20,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:20,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 12:06:20,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355361351] [2023-11-26 12:06:20,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:20,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:06:20,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:20,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:06:20,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:06:20,617 INFO L87 Difference]: Start difference. First operand 248 states and 388 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:22,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:22,356 INFO L93 Difference]: Finished difference Result 753 states and 1172 transitions. [2023-11-26 12:06:22,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 12:06:22,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2023-11-26 12:06:22,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:22,361 INFO L225 Difference]: With dead ends: 753 [2023-11-26 12:06:22,361 INFO L226 Difference]: Without dead ends: 506 [2023-11-26 12:06:22,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:06:22,363 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 128 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:22,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 552 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-26 12:06:22,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2023-11-26 12:06:22,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 406. [2023-11-26 12:06:22,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 347 states have (on average 1.5100864553314122) internal successors, (524), 354 states have internal predecessors, (524), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 43 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-26 12:06:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 624 transitions. [2023-11-26 12:06:22,392 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 624 transitions. Word has length 135 [2023-11-26 12:06:22,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:22,393 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 624 transitions. [2023-11-26 12:06:22,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 624 transitions. [2023-11-26 12:06:22,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-26 12:06:22,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:22,396 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:22,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:22,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:22,603 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:22,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:22,604 INFO L85 PathProgramCache]: Analyzing trace with hash -130382586, now seen corresponding path program 1 times [2023-11-26 12:06:22,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:22,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871970221] [2023-11-26 12:06:22,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:22,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:22,642 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:22,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [229361352] [2023-11-26 12:06:22,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:22,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:22,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:22,644 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:22,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 12:06:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:22,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:06:22,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:22,843 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-26 12:06:22,843 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:22,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:22,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871970221] [2023-11-26 12:06:22,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:22,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229361352] [2023-11-26 12:06:22,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229361352] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:22,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:22,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:06:22,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102094142] [2023-11-26 12:06:22,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:22,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:06:22,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:22,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:06:22,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:06:22,849 INFO L87 Difference]: Start difference. First operand 406 states and 624 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:22,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:22,987 INFO L93 Difference]: Finished difference Result 1210 states and 1860 transitions. [2023-11-26 12:06:22,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:06:22,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2023-11-26 12:06:22,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:22,994 INFO L225 Difference]: With dead ends: 1210 [2023-11-26 12:06:22,994 INFO L226 Difference]: Without dead ends: 805 [2023-11-26 12:06:22,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:06:22,997 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 107 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:22,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 231 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:06:23,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2023-11-26 12:06:23,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 658. [2023-11-26 12:06:23,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 599 states have (on average 1.5525876460767947) internal successors, (930), 606 states have internal predecessors, (930), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 43 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-26 12:06:23,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 1030 transitions. [2023-11-26 12:06:23,047 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 1030 transitions. Word has length 135 [2023-11-26 12:06:23,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:23,051 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 1030 transitions. [2023-11-26 12:06:23,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-26 12:06:23,051 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1030 transitions. [2023-11-26 12:06:23,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-26 12:06:23,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:23,055 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:23,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:23,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:23,262 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:23,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:23,262 INFO L85 PathProgramCache]: Analyzing trace with hash -128535544, now seen corresponding path program 1 times [2023-11-26 12:06:23,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:23,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899624168] [2023-11-26 12:06:23,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:23,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:23,295 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:23,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [6725607] [2023-11-26 12:06:23,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:23,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:23,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:23,297 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:23,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-26 12:06:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:23,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 12:06:23,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 288 proven. 39 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2023-11-26 12:06:23,739 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:06:29,462 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (div c_~var_1_6~0 c_~var_1_6~0))) (and (or (< .cse0 1) (< .cse0 c_~var_1_6~0)) (forall ((v_z_3 Int)) (or (= v_z_3 0) (< (div v_z_3 c_~var_1_6~0) v_z_3) (< 255 v_z_3) (< .cse0 v_z_3) (< v_z_3 0))))) is different from false [2023-11-26 12:06:29,899 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 15 proven. 39 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-26 12:06:29,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:29,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899624168] [2023-11-26 12:06:29,900 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:29,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6725607] [2023-11-26 12:06:29,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6725607] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:06:29,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 12:06:29,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2023-11-26 12:06:29,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121736396] [2023-11-26 12:06:29,901 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 12:06:29,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 12:06:29,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:29,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 12:06:29,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=91, Unknown=1, NotChecked=20, Total=156 [2023-11-26 12:06:29,903 INFO L87 Difference]: Start difference. First operand 658 states and 1030 transitions. Second operand has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-26 12:06:34,981 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (div c_~var_1_6~0 c_~var_1_6~0))) (and (or (< .cse0 1) (< .cse0 c_~var_1_6~0)) (forall ((v_z_3 Int)) (or (= v_z_3 0) (< (div v_z_3 c_~var_1_6~0) v_z_3) (< 255 v_z_3) (< .cse0 v_z_3) (< v_z_3 0))) (<= 6 c_~var_1_6~0))) is different from false [2023-11-26 12:06:38,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:38,248 INFO L93 Difference]: Finished difference Result 2669 states and 4038 transitions. [2023-11-26 12:06:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-26 12:06:38,249 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 135 [2023-11-26 12:06:38,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:38,262 INFO L225 Difference]: With dead ends: 2669 [2023-11-26 12:06:38,263 INFO L226 Difference]: Without dead ends: 2012 [2023-11-26 12:06:38,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=224, Invalid=484, Unknown=2, NotChecked=102, Total=812 [2023-11-26 12:06:38,266 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 382 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 412 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:38,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 539 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 638 Invalid, 0 Unknown, 412 Unchecked, 3.3s Time] [2023-11-26 12:06:38,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2023-11-26 12:06:38,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 675. [2023-11-26 12:06:38,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 607 states have (on average 1.5337726523887973) internal successors, (931), 615 states have internal predecessors, (931), 55 states have call successors, (55), 12 states have call predecessors, (55), 12 states have return successors, (55), 47 states have call predecessors, (55), 55 states have call successors, (55) [2023-11-26 12:06:38,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 1041 transitions. [2023-11-26 12:06:38,331 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 1041 transitions. Word has length 135 [2023-11-26 12:06:38,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:38,332 INFO L495 AbstractCegarLoop]: Abstraction has 675 states and 1041 transitions. [2023-11-26 12:06:38,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-26 12:06:38,333 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1041 transitions. [2023-11-26 12:06:38,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-26 12:06:38,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:38,336 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:38,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-26 12:06:38,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:38,543 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:38,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:38,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1139652794, now seen corresponding path program 1 times [2023-11-26 12:06:38,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:38,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257149771] [2023-11-26 12:06:38,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:38,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:38,578 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:38,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1727930105] [2023-11-26 12:06:38,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:38,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:38,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:38,606 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:38,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-26 12:06:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:38,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:39,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:39,019 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 12:06:39,020 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 12:06:39,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:39,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:39,235 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:39,240 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:06:39,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 12:06:39,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-26 12:06:39,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-26 12:06:39,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated [2023-11-26 12:06:39,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-26 12:06:39,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-26 12:06:39,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated [2023-11-26 12:06:39,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-26 12:06:39,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-26 12:06:39,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-26 12:06:39,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-26 12:06:39,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated [2023-11-26 12:06:39,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-26 12:06:39,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-26 12:06:39,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-26 12:06:39,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated [2023-11-26 12:06:39,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:06:39 BoogieIcfgContainer [2023-11-26 12:06:39,393 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:06:39,393 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:06:39,393 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:06:39,394 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:06:39,394 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:10" (3/4) ... [2023-11-26 12:06:39,397 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:06:39,398 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:06:39,399 INFO L158 Benchmark]: Toolchain (without parser) took 30144.12ms. Allocated memory was 115.3MB in the beginning and 211.8MB in the end (delta: 96.5MB). Free memory was 69.7MB in the beginning and 150.6MB in the end (delta: -80.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-11-26 12:06:39,399 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory was 85.5MB in the beginning and 85.5MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:06:39,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.80ms. Allocated memory is still 115.3MB. Free memory was 69.7MB in the beginning and 55.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 12:06:39,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.19ms. Allocated memory is still 115.3MB. Free memory was 55.1MB in the beginning and 51.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:06:39,401 INFO L158 Benchmark]: Boogie Preprocessor took 135.77ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 51.3MB in the beginning and 115.9MB in the end (delta: -64.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-26 12:06:39,401 INFO L158 Benchmark]: RCFGBuilder took 921.87ms. Allocated memory is still 146.8MB. Free memory was 115.8MB in the beginning and 90.7MB in the end (delta: 25.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-26 12:06:39,402 INFO L158 Benchmark]: TraceAbstraction took 28569.59ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 89.7MB in the beginning and 151.6MB in the end (delta: -61.9MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-11-26 12:06:39,402 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 211.8MB. Free memory was 151.6MB in the beginning and 150.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:06:39,404 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory was 85.5MB in the beginning and 85.5MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.80ms. Allocated memory is still 115.3MB. Free memory was 69.7MB in the beginning and 55.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.19ms. Allocated memory is still 115.3MB. Free memory was 55.1MB in the beginning and 51.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 135.77ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 51.3MB in the beginning and 115.9MB in the end (delta: -64.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * RCFGBuilder took 921.87ms. Allocated memory is still 146.8MB. Free memory was 115.8MB in the beginning and 90.7MB in the end (delta: 25.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * TraceAbstraction took 28569.59ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 89.7MB in the beginning and 151.6MB in the end (delta: -61.9MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 211.8MB. Free memory was 151.6MB in the beginning and 150.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 161, overapproximation of shiftLeft at line 169, overapproximation of someUnaryDOUBLEoperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 169. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.5; [L23] signed short int var_1_3 = 1; [L24] signed long int var_1_5 = -64; [L25] signed char var_1_6 = 10; [L26] signed char var_1_7 = 5; [L27] double var_1_8 = 16.25; [L28] double var_1_9 = 1.8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 64; [L31] unsigned short int var_1_12 = 16; [L32] unsigned long int var_1_13 = 128; [L33] unsigned char var_1_15 = 1; [L34] unsigned short int var_1_16 = 256; [L35] signed char var_1_18 = -2; [L36] unsigned long int var_1_19 = 50; [L37] unsigned char var_1_23 = 64; [L38] unsigned short int var_1_26 = 32; [L39] unsigned short int var_1_28 = 64; [L40] float var_1_30 = -0.2; [L41] float var_1_32 = -0.375; [L42] float var_1_33 = 1.4; [L43] float var_1_35 = 1.5; [L44] unsigned char last_1_var_1_10 = 32; [L45] unsigned short int last_1_var_1_12 = 16; [L46] unsigned long int last_1_var_1_13 = 128; [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] CALL updateLastVariables() [L164] last_1_var_1_10 = var_1_10 [L165] last_1_var_1_12 = var_1_12 [L166] last_1_var_1_13 = var_1_13 [L176] RET updateLastVariables() [L177] CALL updateVariables() [L133] var_1_3 = __VERIFIER_nondet_short() [L134] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L134] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L135] CALL assume_abort_if_not(var_1_3 <= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L135] RET assume_abort_if_not(var_1_3 <= 8) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L136] var_1_5 = __VERIFIER_nondet_long() [L137] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L137] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L138] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L138] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L139] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L139] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L140] var_1_6 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_6 >= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L141] RET assume_abort_if_not(var_1_6 >= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L142] CALL assume_abort_if_not(var_1_6 <= 12) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L142] RET assume_abort_if_not(var_1_6 <= 12) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L143] var_1_7 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L144] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L145] CALL assume_abort_if_not(var_1_7 <= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L145] RET assume_abort_if_not(var_1_7 <= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L146] var_1_8 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_9=9/5] [L147] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_9=9/5] [L148] var_1_9 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L149] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L150] var_1_11 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L151] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L152] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L152] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L153] var_1_15 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L154] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L155] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L155] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L156] var_1_30 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L157] RET assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L158] CALL assume_abort_if_not(var_1_30 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L158] RET assume_abort_if_not(var_1_30 != 0.0F) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L159] var_1_32 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L160] RET assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L161] CALL assume_abort_if_not(var_1_32 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L161] RET assume_abort_if_not(var_1_32 != 0.0F) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L177] RET updateVariables() [L178] CALL step() [L50] COND TRUE ((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10 [L51] var_1_12 = var_1_6 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=8, var_1_12=12, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L53] signed long int stepLocal_2 = last_1_var_1_12 + var_1_7; VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, var_1_10=32, var_1_11=8, var_1_12=12, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L54] COND TRUE var_1_6 <= stepLocal_2 [L55] var_1_10 = var_1_11 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L59] EXPR 1 << var_1_10 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L59] COND FALSE !((1 << var_1_10) != (-500 / -100)) [L66] var_1_13 = var_1_6 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L68] var_1_18 = var_1_3 [L69] signed long int stepLocal_4 = (((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64))); [L70] unsigned char stepLocal_3 = var_1_10; VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, stepLocal_3=8, stepLocal_4=8, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=256, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L71] COND FALSE !((- var_1_9) <= var_1_8) [L84] var_1_16 = var_1_10 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, stepLocal_3=8, stepLocal_4=8, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L86] signed long int stepLocal_1 = (var_1_10 & 0) * var_1_5; VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_1=0, stepLocal_2=16, stepLocal_3=8, stepLocal_4=8, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L87] EXPR var_1_16 >> var_1_3 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_1=0, stepLocal_2=16, stepLocal_3=8, stepLocal_4=8, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L87] signed long int stepLocal_0 = var_1_16 >> var_1_3; [L88] COND FALSE !(stepLocal_0 == (var_1_10 / var_1_5)) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_0=8, stepLocal_1=0, stepLocal_2=16, stepLocal_3=8, stepLocal_4=8, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L95] COND FALSE !(var_1_15 || var_1_15) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_0=8, stepLocal_1=0, stepLocal_2=16, stepLocal_3=8, stepLocal_4=8, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L98] COND FALSE !(((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) == (~ 16u)) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_0=8, stepLocal_1=0, stepLocal_2=16, stepLocal_3=8, stepLocal_4=8, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L103] COND TRUE var_1_11 <= var_1_12 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_0=8, stepLocal_1=0, stepLocal_2=16, stepLocal_3=8, stepLocal_4=8, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L104] COND FALSE !(var_1_11 <= (((((var_1_11) < (var_1_6)) ? (var_1_11) : (var_1_6))) / var_1_6)) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_0=8, stepLocal_1=0, stepLocal_2=16, stepLocal_3=8, stepLocal_4=8, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L118] COND FALSE !((var_1_9 / var_1_30) > ((((var_1_8 / var_1_32) < 0 ) ? -(var_1_8 / var_1_32) : (var_1_8 / var_1_32)))) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_0=8, stepLocal_1=0, stepLocal_2=16, stepLocal_3=8, stepLocal_4=8, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L123] var_1_33 = var_1_8 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_0=8, stepLocal_1=0, stepLocal_2=16, stepLocal_3=8, stepLocal_4=8, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L124] COND FALSE !(((256 - var_1_11) <= (var_1_11 + var_1_10)) || var_1_15) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_0=8, stepLocal_1=0, stepLocal_2=16, stepLocal_3=8, stepLocal_4=8, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L178] RET step() [L179] CALL, EXPR property() [L169] EXPR var_1_16 >> var_1_3 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L169] EXPR ((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L169] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L169] EXPR 1 << var_1_10 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L169] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L169-L170] return (((((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6)))) && (((- var_1_9) <= var_1_8) ? (var_1_15 ? ((((((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64)))) < var_1_12) ? ((var_1_13 == var_1_10) ? (var_1_16 == ((unsigned short int) var_1_11)) : 1) : (var_1_16 == ((unsigned short int) 256))) : (var_1_16 == ((unsigned short int) var_1_3))) : (var_1_16 == ((unsigned short int) var_1_10)))) && (var_1_18 == ((signed char) var_1_3)) ; [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=8, var_1_11=8, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.3s, OverallIterations: 11, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1546 SdHoareTripleChecker+Valid, 8.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1526 mSDsluCounter, 4471 SdHoareTripleChecker+Invalid, 7.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 412 IncrementalHoareTripleChecker+Unchecked, 3122 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2410 IncrementalHoareTripleChecker+Invalid, 2905 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 1349 mSDtfsCounter, 2410 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1495 GetRequests, 1423 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=675occurred in iteration=10, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1837 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 1604 NumberOfCodeBlocks, 1604 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1460 ConstructedInterpolants, 1 QuantifiedInterpolants, 4082 SizeOfPredicates, 50 NumberOfNonLiveVariables, 3285 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 7446/7524 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 [2023-11-26 12:06:39,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme --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 965493649683322c4c4531e65d7189f027c727871d6e00cfa208433dbe39feba --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:06:42,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:06:42,347 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 12:06:42,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:06:42,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:06:42,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:06:42,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:06:42,410 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:06:42,411 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:06:42,417 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:06:42,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:06:42,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:06:42,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:06:42,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:06:42,421 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:06:42,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:06:42,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:06:42,424 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:06:42,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:06:42,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:06:42,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:06:42,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:06:42,427 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:06:42,428 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:06:42,428 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 12:06:42,429 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 12:06:42,429 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:06:42,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:06:42,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:06:42,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:06:42,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:06:42,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:06:42,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:06:42,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:06:42,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:06:42,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:06:42,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:06:42,436 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 12:06:42,436 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 12:06:42,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:06:42,437 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:06:42,438 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:06:42,438 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:06:42,438 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:06:42,439 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 12:06:42,440 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_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 965493649683322c4c4531e65d7189f027c727871d6e00cfa208433dbe39feba [2023-11-26 12:06:42,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:06:42,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:06:42,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:06:42,939 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:06:42,940 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:06:42,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i [2023-11-26 12:06:46,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:06:46,549 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:06:46,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i [2023-11-26 12:06:46,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/data/60ac1fd0b/cc7ffb48a5484194af4b2abb8e1ecd28/FLAG3bfc0000d [2023-11-26 12:06:46,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/data/60ac1fd0b/cc7ffb48a5484194af4b2abb8e1ecd28 [2023-11-26 12:06:46,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:06:46,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:06:46,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:06:46,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:06:46,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:06:46,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:46" (1/1) ... [2023-11-26 12:06:46,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f3e060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:46, skipping insertion in model container [2023-11-26 12:06:46,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:46" (1/1) ... [2023-11-26 12:06:46,664 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:06:46,877 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_afc5280c-84cd-495a-9765-da03be2e42ea/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i[918,931] [2023-11-26 12:06:47,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:06:47,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:06:47,048 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_afc5280c-84cd-495a-9765-da03be2e42ea/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i[918,931] [2023-11-26 12:06:47,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:06:47,142 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:06:47,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47 WrapperNode [2023-11-26 12:06:47,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:06:47,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:06:47,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:06:47,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:06:47,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47" (1/1) ... [2023-11-26 12:06:47,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47" (1/1) ... [2023-11-26 12:06:47,207 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-26 12:06:47,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:06:47,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:06:47,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:06:47,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:06:47,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47" (1/1) ... [2023-11-26 12:06:47,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47" (1/1) ... [2023-11-26 12:06:47,229 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47" (1/1) ... [2023-11-26 12:06:47,245 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]. [2023-11-26 12:06:47,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47" (1/1) ... [2023-11-26 12:06:47,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47" (1/1) ... [2023-11-26 12:06:47,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47" (1/1) ... [2023-11-26 12:06:47,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47" (1/1) ... [2023-11-26 12:06:47,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47" (1/1) ... [2023-11-26 12:06:47,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47" (1/1) ... [2023-11-26 12:06:47,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:06:47,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:06:47,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:06:47,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:06:47,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47" (1/1) ... [2023-11-26 12:06:47,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:06:47,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:47,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:47,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:06:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:06:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 12:06:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:06:47,413 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:06:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:06:47,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:06:47,516 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:06:47,519 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:06:57,659 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:06:57,714 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:06:57,715 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:06:57,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:57 BoogieIcfgContainer [2023-11-26 12:06:57,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:06:57,718 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:06:57,718 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:06:57,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:06:57,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:06:46" (1/3) ... [2023-11-26 12:06:57,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ae32ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:06:57, skipping insertion in model container [2023-11-26 12:06:57,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:47" (2/3) ... [2023-11-26 12:06:57,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ae32ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:06:57, skipping insertion in model container [2023-11-26 12:06:57,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:57" (3/3) ... [2023-11-26 12:06:57,726 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i [2023-11-26 12:06:57,750 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:06:57,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:06:57,810 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:06:57,818 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;@bdb5aa3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:06:57,819 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:06:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 46 states have (on average 1.5869565217391304) internal successors, (73), 47 states have internal predecessors, (73), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 12:06:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-26 12:06:57,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:57,852 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:57,852 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:57,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:57,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1971463456, now seen corresponding path program 1 times [2023-11-26 12:06:57,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:06:57,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479490258] [2023-11-26 12:06:57,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:57,875 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 [2023-11-26 12:06:57,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:06:57,879 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:06:57,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:07:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:07:00,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:07:00,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:07:00,301 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-11-26 12:07:00,305 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:07:00,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:07:00,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479490258] [2023-11-26 12:07:00,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [479490258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:07:00,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:07:00,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:07:00,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070387630] [2023-11-26 12:07:00,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:07:00,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:07:00,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:07:00,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:07:00,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:07:00,356 INFO L87 Difference]: Start difference. First operand has 68 states, 46 states have (on average 1.5869565217391304) internal successors, (73), 47 states have internal predecessors, (73), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 12:07:00,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:07:00,546 INFO L93 Difference]: Finished difference Result 132 states and 237 transitions. [2023-11-26 12:07:00,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:07:00,555 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 125 [2023-11-26 12:07:00,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:07:00,563 INFO L225 Difference]: With dead ends: 132 [2023-11-26 12:07:00,563 INFO L226 Difference]: Without dead ends: 65 [2023-11-26 12:07:00,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:07:00,572 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:07:00,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:07:00,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-26 12:07:00,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-26 12:07:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 12:07:00,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 102 transitions. [2023-11-26 12:07:00,626 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 102 transitions. Word has length 125 [2023-11-26 12:07:00,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:07:00,627 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 102 transitions. [2023-11-26 12:07:00,627 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 12:07:00,627 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2023-11-26 12:07:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-26 12:07:00,631 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:07:00,632 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:07:00,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-26 12:07:00,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:07:00,838 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:07:00,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:07:00,839 INFO L85 PathProgramCache]: Analyzing trace with hash -169538740, now seen corresponding path program 1 times [2023-11-26 12:07:00,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:07:00,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1140500874] [2023-11-26 12:07:00,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:07:00,841 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 [2023-11-26 12:07:00,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:07:00,847 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:07:00,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5280c-84cd-495a-9765-da03be2e42ea/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:07:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:07:02,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-26 12:07:02,802 INFO L285 TraceCheckSpWp]: Computing forward predicates...