./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.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_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/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_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/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_83acaefa-45ec-4d22-be92-9d35c2a13210/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 f1f69e926e247cffb0673b28f1b3c2c34cd51dac56abbd190019668e79e93b0d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:05:22,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:05:22,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:05:22,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:05:22,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:05:22,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:05:22,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:05:22,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:05:22,807 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:05:22,812 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:05:22,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:05:22,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:05:22,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:05:22,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:05:22,817 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:05:22,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:05:22,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:05:22,818 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:05:22,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:05:22,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:05:22,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:05:22,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:05:22,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:05:22,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:05:22,823 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:05:22,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:05:22,824 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:05:22,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:05:22,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:05:22,826 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:05:22,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:05:22,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:22,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:05:22,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:05:22,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:05:22,829 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:05:22,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:05:22,829 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:05:22,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:05:22,830 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:05:22,830 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:05:22,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:05:22,831 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_83acaefa-45ec-4d22-be92-9d35c2a13210/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f69e926e247cffb0673b28f1b3c2c34cd51dac56abbd190019668e79e93b0d [2023-11-26 12:05:23,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:05:23,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:05:23,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:05:23,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:05:23,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:05:23,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2023-11-26 12:05:26,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:05:26,711 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:05:26,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2023-11-26 12:05:26,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/data/36334ace3/f3c96ac36999408f84f684a7c96380bb/FLAG639630a9b [2023-11-26 12:05:26,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/data/36334ace3/f3c96ac36999408f84f684a7c96380bb [2023-11-26 12:05:26,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:05:26,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:05:26,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:26,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:05:26,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:05:26,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:26" (1/1) ... [2023-11-26 12:05:26,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3735f5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:26, skipping insertion in model container [2023-11-26 12:05:26,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:26" (1/1) ... [2023-11-26 12:05:26,819 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:05:27,015 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_83acaefa-45ec-4d22-be92-9d35c2a13210/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i[919,932] [2023-11-26 12:05:27,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:27,113 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:05:27,124 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_83acaefa-45ec-4d22-be92-9d35c2a13210/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i[919,932] [2023-11-26 12:05:27,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:27,184 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:05:27,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27 WrapperNode [2023-11-26 12:05:27,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:27,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:27,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:05:27,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:05:27,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27" (1/1) ... [2023-11-26 12:05:27,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27" (1/1) ... [2023-11-26 12:05:27,273 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 222 [2023-11-26 12:05:27,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:27,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:05:27,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:05:27,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:05:27,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27" (1/1) ... [2023-11-26 12:05:27,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27" (1/1) ... [2023-11-26 12:05:27,290 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27" (1/1) ... [2023-11-26 12:05:27,333 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 12:05:27,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27" (1/1) ... [2023-11-26 12:05:27,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27" (1/1) ... [2023-11-26 12:05:27,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27" (1/1) ... [2023-11-26 12:05:27,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27" (1/1) ... [2023-11-26 12:05:27,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27" (1/1) ... [2023-11-26 12:05:27,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27" (1/1) ... [2023-11-26 12:05:27,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:05:27,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:05:27,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:05:27,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:05:27,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27" (1/1) ... [2023-11-26 12:05:27,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:27,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:27,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:05:27,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:05:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:05:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:05:27,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:05:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:05:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:05:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:05:27,642 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:05:27,645 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:05:28,153 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:05:28,206 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:05:28,207 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:05:28,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:28 BoogieIcfgContainer [2023-11-26 12:05:28,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:05:28,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:05:28,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:05:28,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:05:28,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:05:26" (1/3) ... [2023-11-26 12:05:28,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6413e152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:28, skipping insertion in model container [2023-11-26 12:05:28,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:27" (2/3) ... [2023-11-26 12:05:28,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6413e152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:28, skipping insertion in model container [2023-11-26 12:05:28,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:28" (3/3) ... [2023-11-26 12:05:28,217 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2023-11-26 12:05:28,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:05:28,235 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:05:28,282 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:05:28,289 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;@2c528e45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:05:28,289 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:05:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 59 states have (on average 1.6101694915254237) internal successors, (95), 60 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 12:05:28,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-26 12:05:28,310 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:28,311 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] [2023-11-26 12:05:28,312 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:28,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:28,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1525606503, now seen corresponding path program 1 times [2023-11-26 12:05:28,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:28,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983572867] [2023-11-26 12:05:28,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:28,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:28,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:28,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983572867] [2023-11-26 12:05:28,578 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 12:05:28,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789955161] [2023-11-26 12:05:28,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:28,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:28,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:28,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:28,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:05:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:28,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:05:28,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:28,943 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 12:05:28,947 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:28,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789955161] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:28,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:28,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:28,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419100560] [2023-11-26 12:05:28,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:28,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:05:28,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:29,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:05:29,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:05:29,040 INFO L87 Difference]: Start difference. First operand has 81 states, 59 states have (on average 1.6101694915254237) internal successors, (95), 60 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) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 12:05:29,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:29,113 INFO L93 Difference]: Finished difference Result 157 states and 279 transitions. [2023-11-26 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:05:29,116 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 134 [2023-11-26 12:05:29,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:29,128 INFO L225 Difference]: With dead ends: 157 [2023-11-26 12:05:29,128 INFO L226 Difference]: Without dead ends: 77 [2023-11-26 12:05:29,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 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 12:05:29,139 INFO L413 NwaCegarLoop]: 118 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, 118 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 12:05:29,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:05:29,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-26 12:05:29,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-26 12:05:29,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 56 states have internal predecessors, (83), 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 12:05:29,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 121 transitions. [2023-11-26 12:05:29,217 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 121 transitions. Word has length 134 [2023-11-26 12:05:29,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:29,218 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 121 transitions. [2023-11-26 12:05:29,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 12:05:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2023-11-26 12:05:29,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-26 12:05:29,230 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:29,230 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] [2023-11-26 12:05:29,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:29,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 12:05:29,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:29,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:29,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1409170323, now seen corresponding path program 1 times [2023-11-26 12:05:29,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:29,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740737940] [2023-11-26 12:05:29,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:29,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:29,528 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:29,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [797572923] [2023-11-26 12:05:29,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:29,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:29,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:29,531 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:29,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 12:05:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:29,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:05:29,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:30,089 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 12:05:30,089 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:30,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:30,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740737940] [2023-11-26 12:05:30,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:30,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797572923] [2023-11-26 12:05:30,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797572923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:30,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:30,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:05:30,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282059366] [2023-11-26 12:05:30,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:30,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:30,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:30,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:30,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:30,096 INFO L87 Difference]: Start difference. First operand 77 states and 121 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 12:05:30,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:30,314 INFO L93 Difference]: Finished difference Result 229 states and 361 transitions. [2023-11-26 12:05:30,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:05:30,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 134 [2023-11-26 12:05:30,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:30,323 INFO L225 Difference]: With dead ends: 229 [2023-11-26 12:05:30,323 INFO L226 Difference]: Without dead ends: 153 [2023-11-26 12:05:30,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:30,333 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 60 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:30,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 293 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:05:30,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-26 12:05:30,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2023-11-26 12:05:30,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 110 states have (on average 1.481818181818182) internal successors, (163), 110 states have internal predecessors, (163), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-26 12:05:30,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 239 transitions. [2023-11-26 12:05:30,377 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 239 transitions. Word has length 134 [2023-11-26 12:05:30,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:30,378 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 239 transitions. [2023-11-26 12:05:30,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 12:05:30,378 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 239 transitions. [2023-11-26 12:05:30,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-26 12:05:30,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:30,381 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] [2023-11-26 12:05:30,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:30,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:30,588 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:30,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:30,588 INFO L85 PathProgramCache]: Analyzing trace with hash -986468497, now seen corresponding path program 1 times [2023-11-26 12:05:30,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:30,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880633074] [2023-11-26 12:05:30,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:30,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:30,634 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:30,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209161699] [2023-11-26 12:05:30,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:30,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:30,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:30,636 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:30,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 12:05:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:30,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:05:30,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:31,027 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 12:05:31,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:31,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:31,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880633074] [2023-11-26 12:05:31,029 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:31,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209161699] [2023-11-26 12:05:31,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209161699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:31,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:31,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:05:31,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439552949] [2023-11-26 12:05:31,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:31,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:31,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:31,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:31,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:31,032 INFO L87 Difference]: Start difference. First operand 151 states and 239 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 12:05:31,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:31,284 INFO L93 Difference]: Finished difference Result 443 states and 690 transitions. [2023-11-26 12:05:31,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:05:31,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 134 [2023-11-26 12:05:31,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:31,293 INFO L225 Difference]: With dead ends: 443 [2023-11-26 12:05:31,294 INFO L226 Difference]: Without dead ends: 293 [2023-11-26 12:05:31,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:31,300 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 115 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:31,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 262 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:05:31,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-11-26 12:05:31,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 287. [2023-11-26 12:05:31,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 206 states have (on average 1.4368932038834952) internal successors, (296), 208 states have internal predecessors, (296), 75 states have call successors, (75), 5 states have call predecessors, (75), 5 states have return successors, (75), 73 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-26 12:05:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 446 transitions. [2023-11-26 12:05:31,380 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 446 transitions. Word has length 134 [2023-11-26 12:05:31,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:31,381 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 446 transitions. [2023-11-26 12:05:31,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 12:05:31,381 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 446 transitions. [2023-11-26 12:05:31,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-26 12:05:31,383 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:31,384 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 12:05:31,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:31,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:31,590 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:31,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:31,591 INFO L85 PathProgramCache]: Analyzing trace with hash 776997600, now seen corresponding path program 1 times [2023-11-26 12:05:31,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:31,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563584571] [2023-11-26 12:05:31,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:31,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:31,654 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:31,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1763468555] [2023-11-26 12:05:31,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:31,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:31,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:31,668 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:31,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 12:05:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:31,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:05:31,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:31,857 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 12:05:31,857 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:31,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:31,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563584571] [2023-11-26 12:05:31,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:31,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763468555] [2023-11-26 12:05:31,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763468555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:31,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:31,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:05:31,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111602392] [2023-11-26 12:05:31,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:31,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:31,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:31,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:31,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:31,867 INFO L87 Difference]: Start difference. First operand 287 states and 446 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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 12:05:31,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:31,996 INFO L93 Difference]: Finished difference Result 618 states and 958 transitions. [2023-11-26 12:05:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:05:31,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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 12:05:31,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:32,005 INFO L225 Difference]: With dead ends: 618 [2023-11-26 12:05:32,005 INFO L226 Difference]: Without dead ends: 332 [2023-11-26 12:05:32,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:32,010 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 53 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:32,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 231 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:05:32,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-11-26 12:05:32,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 321. [2023-11-26 12:05:32,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 230 states have (on average 1.4173913043478261) internal successors, (326), 233 states have internal predecessors, (326), 84 states have call successors, (84), 6 states have call predecessors, (84), 6 states have return successors, (84), 81 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-26 12:05:32,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 494 transitions. [2023-11-26 12:05:32,060 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 494 transitions. Word has length 135 [2023-11-26 12:05:32,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:32,062 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 494 transitions. [2023-11-26 12:05:32,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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 12:05:32,062 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 494 transitions. [2023-11-26 12:05:32,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-26 12:05:32,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:32,067 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 12:05:32,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:32,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:32,273 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:32,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:32,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1457055970, now seen corresponding path program 1 times [2023-11-26 12:05:32,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:32,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326164093] [2023-11-26 12:05:32,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:32,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:32,312 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:32,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1123715622] [2023-11-26 12:05:32,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:32,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:32,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:32,314 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:32,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 12:05:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:32,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 12:05:32,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:32,672 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 12:05:32,675 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:32,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:32,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326164093] [2023-11-26 12:05:32,676 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:32,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123715622] [2023-11-26 12:05:32,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123715622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:32,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:32,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:32,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535502803] [2023-11-26 12:05:32,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:32,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:32,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:32,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:32,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:32,687 INFO L87 Difference]: Start difference. First operand 321 states and 494 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 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 12:05:32,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:32,760 INFO L93 Difference]: Finished difference Result 955 states and 1473 transitions. [2023-11-26 12:05:32,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:32,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 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 12:05:32,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:32,768 INFO L225 Difference]: With dead ends: 955 [2023-11-26 12:05:32,768 INFO L226 Difference]: Without dead ends: 635 [2023-11-26 12:05:32,770 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 12:05:32,771 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 49 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:32,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 229 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:05:32,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2023-11-26 12:05:32,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 630. [2023-11-26 12:05:32,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 449 states have (on average 1.4120267260579065) internal successors, (634), 455 states have internal predecessors, (634), 168 states have call successors, (168), 12 states have call predecessors, (168), 12 states have return successors, (168), 162 states have call predecessors, (168), 168 states have call successors, (168) [2023-11-26 12:05:32,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 970 transitions. [2023-11-26 12:05:32,848 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 970 transitions. Word has length 135 [2023-11-26 12:05:32,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:32,848 INFO L495 AbstractCegarLoop]: Abstraction has 630 states and 970 transitions. [2023-11-26 12:05:32,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 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 12:05:32,849 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 970 transitions. [2023-11-26 12:05:32,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-26 12:05:32,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:32,851 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 12:05:32,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:33,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:33,058 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:33,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:33,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1764003708, now seen corresponding path program 1 times [2023-11-26 12:05:33,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:33,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009047105] [2023-11-26 12:05:33,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:33,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:33,101 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:33,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [120893224] [2023-11-26 12:05:33,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:33,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:33,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:33,121 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:33,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 12:05:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:33,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 12:05:33,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 330 proven. 18 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-11-26 12:05:33,730 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:34,095 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 18 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-26 12:05:34,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:34,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009047105] [2023-11-26 12:05:34,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:34,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120893224] [2023-11-26 12:05:34,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120893224] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:05:34,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 12:05:34,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2023-11-26 12:05:34,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873947655] [2023-11-26 12:05:34,097 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 12:05:34,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-26 12:05:34,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:34,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-26 12:05:34,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-26 12:05:34,099 INFO L87 Difference]: Start difference. First operand 630 states and 970 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-11-26 12:05:34,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:34,939 INFO L93 Difference]: Finished difference Result 1604 states and 2432 transitions. [2023-11-26 12:05:34,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 12:05:34,940 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 135 [2023-11-26 12:05:34,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:34,948 INFO L225 Difference]: With dead ends: 1604 [2023-11-26 12:05:34,949 INFO L226 Difference]: Without dead ends: 975 [2023-11-26 12:05:34,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2023-11-26 12:05:34,953 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 277 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:34,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 514 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-26 12:05:34,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2023-11-26 12:05:35,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 786. [2023-11-26 12:05:35,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 557 states have (on average 1.3824057450628366) internal successors, (770), 567 states have internal predecessors, (770), 208 states have call successors, (208), 20 states have call predecessors, (208), 20 states have return successors, (208), 198 states have call predecessors, (208), 208 states have call successors, (208) [2023-11-26 12:05:35,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1186 transitions. [2023-11-26 12:05:35,120 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1186 transitions. Word has length 135 [2023-11-26 12:05:35,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:35,121 INFO L495 AbstractCegarLoop]: Abstraction has 786 states and 1186 transitions. [2023-11-26 12:05:35,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-11-26 12:05:35,121 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1186 transitions. [2023-11-26 12:05:35,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-26 12:05:35,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:35,125 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, 1] [2023-11-26 12:05:35,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:35,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-26 12:05:35,333 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:35,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:35,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1866811719, now seen corresponding path program 1 times [2023-11-26 12:05:35,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:35,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738579985] [2023-11-26 12:05:35,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:35,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:35,376 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:35,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178907626] [2023-11-26 12:05:35,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:35,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:35,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:35,379 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:35,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 12:05:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:35,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 12:05:35,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:35,633 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-11-26 12:05:35,633 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-26 12:05:35,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:35,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738579985] [2023-11-26 12:05:35,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:35,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178907626] [2023-11-26 12:05:35,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178907626] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:05:35,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 12:05:35,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-26 12:05:35,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480190070] [2023-11-26 12:05:35,784 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 12:05:35,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:05:35,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:35,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:05:35,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:05:35,786 INFO L87 Difference]: Start difference. First operand 786 states and 1186 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 12:05:36,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:36,038 INFO L93 Difference]: Finished difference Result 1647 states and 2441 transitions. [2023-11-26 12:05:36,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:05:36,039 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 136 [2023-11-26 12:05:36,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:36,046 INFO L225 Difference]: With dead ends: 1647 [2023-11-26 12:05:36,046 INFO L226 Difference]: Without dead ends: 862 [2023-11-26 12:05:36,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:05:36,049 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 139 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:36,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 237 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:05:36,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2023-11-26 12:05:36,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 810. [2023-11-26 12:05:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 575 states have (on average 1.36) internal successors, (782), 585 states have internal predecessors, (782), 208 states have call successors, (208), 26 states have call predecessors, (208), 26 states have return successors, (208), 198 states have call predecessors, (208), 208 states have call successors, (208) [2023-11-26 12:05:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1198 transitions. [2023-11-26 12:05:36,161 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1198 transitions. Word has length 136 [2023-11-26 12:05:36,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:36,162 INFO L495 AbstractCegarLoop]: Abstraction has 810 states and 1198 transitions. [2023-11-26 12:05:36,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 12:05:36,162 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1198 transitions. [2023-11-26 12:05:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-26 12:05:36,164 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:36,165 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, 1] [2023-11-26 12:05:36,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:36,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-26 12:05:36,371 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:36,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:36,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1841349563, now seen corresponding path program 1 times [2023-11-26 12:05:36,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:36,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522446296] [2023-11-26 12:05:36,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:36,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:36,398 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:36,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199030866] [2023-11-26 12:05:36,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:36,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:36,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:36,402 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:36,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 12:05:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:36,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-26 12:05:36,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:37,914 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 354 proven. 30 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-26 12:05:37,915 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:38,760 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 12:05:38,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:38,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522446296] [2023-11-26 12:05:38,761 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:38,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199030866] [2023-11-26 12:05:38,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199030866] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:38,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:05:38,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 19 [2023-11-26 12:05:38,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975432058] [2023-11-26 12:05:38,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:38,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 12:05:38,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:38,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 12:05:38,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2023-11-26 12:05:38,764 INFO L87 Difference]: Start difference. First operand 810 states and 1198 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 12:05:44,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:44,857 INFO L93 Difference]: Finished difference Result 4317 states and 6342 transitions. [2023-11-26 12:05:44,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-26 12:05:44,858 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 136 [2023-11-26 12:05:44,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:44,886 INFO L225 Difference]: With dead ends: 4317 [2023-11-26 12:05:44,886 INFO L226 Difference]: Without dead ends: 3508 [2023-11-26 12:05:44,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2023-11-26 12:05:44,892 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 640 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:44,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 707 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-26 12:05:44,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3508 states. [2023-11-26 12:05:45,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3508 to 1538. [2023-11-26 12:05:45,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1538 states, 1175 states have (on average 1.3957446808510638) internal successors, (1640), 1201 states have internal predecessors, (1640), 320 states have call successors, (320), 42 states have call predecessors, (320), 42 states have return successors, (320), 294 states have call predecessors, (320), 320 states have call successors, (320) [2023-11-26 12:05:45,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2280 transitions. [2023-11-26 12:05:45,237 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2280 transitions. Word has length 136 [2023-11-26 12:05:45,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:45,238 INFO L495 AbstractCegarLoop]: Abstraction has 1538 states and 2280 transitions. [2023-11-26 12:05:45,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 12:05:45,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2280 transitions. [2023-11-26 12:05:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-26 12:05:45,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:45,242 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, 1] [2023-11-26 12:05:45,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:45,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-26 12:05:45,449 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:45,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:45,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1898607865, now seen corresponding path program 1 times [2023-11-26 12:05:45,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:45,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257380773] [2023-11-26 12:05:45,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:45,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:45,485 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:45,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149535122] [2023-11-26 12:05:45,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:45,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:45,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:45,487 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:45,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 12:05:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:45,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-26 12:05:45,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:46,607 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 12:05:46,607 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:46,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:46,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257380773] [2023-11-26 12:05:46,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:46,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149535122] [2023-11-26 12:05:46,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149535122] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:46,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:46,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 12:05:46,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313162893] [2023-11-26 12:05:46,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:46,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:05:46,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:46,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:05:46,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:05:46,618 INFO L87 Difference]: Start difference. First operand 1538 states and 2280 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 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 12:05:48,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:48,326 INFO L93 Difference]: Finished difference Result 4552 states and 6671 transitions. [2023-11-26 12:05:48,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 12:05:48,327 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 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 136 [2023-11-26 12:05:48,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:48,354 INFO L225 Difference]: With dead ends: 4552 [2023-11-26 12:05:48,354 INFO L226 Difference]: Without dead ends: 3015 [2023-11-26 12:05:48,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-11-26 12:05:48,364 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 875 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:48,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 944 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 12:05:48,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3015 states. [2023-11-26 12:05:48,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3015 to 2084. [2023-11-26 12:05:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2084 states, 1540 states have (on average 1.361038961038961) internal successors, (2096), 1579 states have internal predecessors, (2096), 480 states have call successors, (480), 63 states have call predecessors, (480), 63 states have return successors, (480), 441 states have call predecessors, (480), 480 states have call successors, (480) [2023-11-26 12:05:48,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 3056 transitions. [2023-11-26 12:05:48,804 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 3056 transitions. Word has length 136 [2023-11-26 12:05:48,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:48,804 INFO L495 AbstractCegarLoop]: Abstraction has 2084 states and 3056 transitions. [2023-11-26 12:05:48,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 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 12:05:48,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 3056 transitions. [2023-11-26 12:05:48,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-26 12:05:48,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:48,808 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, 1] [2023-11-26 12:05:48,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:49,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:49,015 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:49,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:49,016 INFO L85 PathProgramCache]: Analyzing trace with hash -2030915907, now seen corresponding path program 1 times [2023-11-26 12:05:49,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:49,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800822575] [2023-11-26 12:05:49,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:49,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:49,064 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:49,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1151231122] [2023-11-26 12:05:49,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:49,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:49,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:49,078 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:49,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-26 12:05:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:49,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 12:05:49,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:49,546 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 12:05:49,546 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:49,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:49,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800822575] [2023-11-26 12:05:49,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:49,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151231122] [2023-11-26 12:05:49,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151231122] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:49,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:49,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:49,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531454239] [2023-11-26 12:05:49,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:49,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:49,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:49,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:49,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:49,551 INFO L87 Difference]: Start difference. First operand 2084 states and 3056 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 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 12:05:50,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:50,808 INFO L93 Difference]: Finished difference Result 8548 states and 12503 transitions. [2023-11-26 12:05:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:05:50,809 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 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 136 [2023-11-26 12:05:50,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:50,857 INFO L225 Difference]: With dead ends: 8548 [2023-11-26 12:05:50,857 INFO L226 Difference]: Without dead ends: 6465 [2023-11-26 12:05:50,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:05:50,867 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 285 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:50,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 1340 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:05:50,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6465 states. [2023-11-26 12:05:51,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6465 to 3024. [2023-11-26 12:05:51,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3024 states, 2214 states have (on average 1.3509485094850948) internal successors, (2991), 2273 states have internal predecessors, (2991), 716 states have call successors, (716), 93 states have call predecessors, (716), 93 states have return successors, (716), 657 states have call predecessors, (716), 716 states have call successors, (716) [2023-11-26 12:05:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 4423 transitions. [2023-11-26 12:05:51,689 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 4423 transitions. Word has length 136 [2023-11-26 12:05:51,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:51,690 INFO L495 AbstractCegarLoop]: Abstraction has 3024 states and 4423 transitions. [2023-11-26 12:05:51,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 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 12:05:51,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 4423 transitions. [2023-11-26 12:05:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-26 12:05:51,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:51,694 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, 1] [2023-11-26 12:05:51,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:51,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:51,901 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:51,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:51,901 INFO L85 PathProgramCache]: Analyzing trace with hash 243063697, now seen corresponding path program 1 times [2023-11-26 12:05:51,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:51,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61102280] [2023-11-26 12:05:51,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:51,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:51,926 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:51,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [576286767] [2023-11-26 12:05:51,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:51,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:51,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:51,928 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:51,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-26 12:05:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:52,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:05:52,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:52,125 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 12:05:52,126 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:52,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:52,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61102280] [2023-11-26 12:05:52,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:52,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576286767] [2023-11-26 12:05:52,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576286767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:52,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:52,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:05:52,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229578985] [2023-11-26 12:05:52,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:52,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:52,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:52,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:52,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:52,129 INFO L87 Difference]: Start difference. First operand 3024 states and 4423 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 12:05:52,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:52,535 INFO L93 Difference]: Finished difference Result 3026 states and 4424 transitions. [2023-11-26 12:05:52,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:05:52,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 136 [2023-11-26 12:05:52,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:52,547 INFO L225 Difference]: With dead ends: 3026 [2023-11-26 12:05:52,547 INFO L226 Difference]: Without dead ends: 1501 [2023-11-26 12:05:52,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:52,552 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 114 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:52,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 178 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:05:52,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2023-11-26 12:05:52,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 752. [2023-11-26 12:05:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 559 states have (on average 1.3434704830053668) internal successors, (751), 571 states have internal predecessors, (751), 168 states have call successors, (168), 24 states have call predecessors, (168), 24 states have return successors, (168), 156 states have call predecessors, (168), 168 states have call successors, (168) [2023-11-26 12:05:52,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1087 transitions. [2023-11-26 12:05:52,773 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1087 transitions. Word has length 136 [2023-11-26 12:05:52,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:52,773 INFO L495 AbstractCegarLoop]: Abstraction has 752 states and 1087 transitions. [2023-11-26 12:05:52,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 12:05:52,774 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1087 transitions. [2023-11-26 12:05:52,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-26 12:05:52,776 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:52,776 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, 1, 1] [2023-11-26 12:05:52,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:52,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:52,983 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:52,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:52,984 INFO L85 PathProgramCache]: Analyzing trace with hash -291956245, now seen corresponding path program 1 times [2023-11-26 12:05:52,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:52,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423698893] [2023-11-26 12:05:52,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:52,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:53,014 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:53,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [265382724] [2023-11-26 12:05:53,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:53,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:53,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:53,016 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:53,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-26 12:05:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:53,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 12:05:53,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:53,608 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 358 proven. 24 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-11-26 12:05:53,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 30 proven. 24 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-26 12:05:53,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:53,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423698893] [2023-11-26 12:05:53,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:53,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265382724] [2023-11-26 12:05:53,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265382724] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:05:53,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 12:05:53,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2023-11-26 12:05:53,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714959934] [2023-11-26 12:05:53,897 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 12:05:53,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 12:05:53,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:53,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 12:05:53,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-26 12:05:53,900 INFO L87 Difference]: Start difference. First operand 752 states and 1087 transitions. Second operand has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-11-26 12:05:54,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:54,815 INFO L93 Difference]: Finished difference Result 1982 states and 2803 transitions. [2023-11-26 12:05:54,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-26 12:05:54,819 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 137 [2023-11-26 12:05:54,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:54,826 INFO L225 Difference]: With dead ends: 1982 [2023-11-26 12:05:54,827 INFO L226 Difference]: Without dead ends: 1231 [2023-11-26 12:05:54,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=194, Invalid=358, Unknown=0, NotChecked=0, Total=552 [2023-11-26 12:05:54,830 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 504 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:54,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 296 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 12:05:54,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2023-11-26 12:05:54,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 588. [2023-11-26 12:05:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 459 states have (on average 1.34640522875817) internal successors, (618), 463 states have internal predecessors, (618), 104 states have call successors, (104), 24 states have call predecessors, (104), 24 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2023-11-26 12:05:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 826 transitions. [2023-11-26 12:05:54,974 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 826 transitions. Word has length 137 [2023-11-26 12:05:54,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:54,975 INFO L495 AbstractCegarLoop]: Abstraction has 588 states and 826 transitions. [2023-11-26 12:05:54,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-11-26 12:05:54,975 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 826 transitions. [2023-11-26 12:05:54,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-26 12:05:54,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:54,978 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, 1, 1] [2023-11-26 12:05:54,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:55,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:55,185 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:55,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:55,186 INFO L85 PathProgramCache]: Analyzing trace with hash 14991493, now seen corresponding path program 1 times [2023-11-26 12:05:55,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:55,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74099870] [2023-11-26 12:05:55,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:55,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:55,221 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:55,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [694345183] [2023-11-26 12:05:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:55,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:55,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:55,224 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:55,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-26 12:05:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:55,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-26 12:05:55,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:56,312 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 12:05:56,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:56,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:56,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74099870] [2023-11-26 12:05:56,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:56,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694345183] [2023-11-26 12:05:56,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694345183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:56,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:56,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:05:56,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031168613] [2023-11-26 12:05:56,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:56,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:05:56,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:56,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:05:56,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:05:56,315 INFO L87 Difference]: Start difference. First operand 588 states and 826 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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 12:05:57,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:57,393 INFO L93 Difference]: Finished difference Result 971 states and 1359 transitions. [2023-11-26 12:05:57,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:05:57,394 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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 137 [2023-11-26 12:05:57,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:57,401 INFO L225 Difference]: With dead ends: 971 [2023-11-26 12:05:57,401 INFO L226 Difference]: Without dead ends: 793 [2023-11-26 12:05:57,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-11-26 12:05:57,404 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 739 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:57,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 852 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-26 12:05:57,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2023-11-26 12:05:57,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 592. [2023-11-26 12:05:57,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 463 states have (on average 1.3520518358531317) internal successors, (626), 467 states have internal predecessors, (626), 104 states have call successors, (104), 24 states have call predecessors, (104), 24 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2023-11-26 12:05:57,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 834 transitions. [2023-11-26 12:05:57,620 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 834 transitions. Word has length 137 [2023-11-26 12:05:57,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:57,621 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 834 transitions. [2023-11-26 12:05:57,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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 12:05:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 834 transitions. [2023-11-26 12:05:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-26 12:05:57,625 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:57,625 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, 1, 1] [2023-11-26 12:05:57,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:57,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:57,832 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:57,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:57,833 INFO L85 PathProgramCache]: Analyzing trace with hash -233141632, now seen corresponding path program 1 times [2023-11-26 12:05:57,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:57,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688669336] [2023-11-26 12:05:57,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:57,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:57,864 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:57,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1152662545] [2023-11-26 12:05:57,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:57,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:57,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:57,866 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:57,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-26 12:05:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:58,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:05:58,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:58,101 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 12:05:58,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:58,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:58,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688669336] [2023-11-26 12:05:58,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:58,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152662545] [2023-11-26 12:05:58,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152662545] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:58,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:58,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:05:58,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456429258] [2023-11-26 12:05:58,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:58,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:58,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:58,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:58,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:58,105 INFO L87 Difference]: Start difference. First operand 592 states and 834 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 12:05:58,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:58,238 INFO L93 Difference]: Finished difference Result 1498 states and 2128 transitions. [2023-11-26 12:05:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:58,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 137 [2023-11-26 12:05:58,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:58,244 INFO L225 Difference]: With dead ends: 1498 [2023-11-26 12:05:58,245 INFO L226 Difference]: Without dead ends: 907 [2023-11-26 12:05:58,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 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 12:05:58,247 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 44 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:58,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 209 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:05:58,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2023-11-26 12:05:58,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 725. [2023-11-26 12:05:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 596 states have (on average 1.3573825503355705) internal successors, (809), 600 states have internal predecessors, (809), 104 states have call successors, (104), 24 states have call predecessors, (104), 24 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2023-11-26 12:05:58,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 1017 transitions. [2023-11-26 12:05:58,383 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 1017 transitions. Word has length 137 [2023-11-26 12:05:58,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:58,384 INFO L495 AbstractCegarLoop]: Abstraction has 725 states and 1017 transitions. [2023-11-26 12:05:58,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 12:05:58,384 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1017 transitions. [2023-11-26 12:05:58,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-26 12:05:58,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:58,387 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, 1, 1] [2023-11-26 12:05:58,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:58,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-26 12:05:58,594 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:58,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:58,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1922085374, now seen corresponding path program 1 times [2023-11-26 12:05:58,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:58,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369679193] [2023-11-26 12:05:58,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:58,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:58,629 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:58,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936702008] [2023-11-26 12:05:58,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:58,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:58,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:58,671 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:58,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-26 12:05:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:05:58,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:05:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:05:59,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:05:59,042 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 12:05:59,044 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 12:05:59,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:59,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-26 12:05:59,256 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:59,259 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:05:59,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 12:05:59,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-26 12:05:59,375 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-26 12:05:59,376 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-26 12:05:59,377 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-26 12:05:59,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:05:59 BoogieIcfgContainer [2023-11-26 12:05:59,408 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:05:59,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:05:59,412 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:05:59,412 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:05:59,413 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:28" (3/4) ... [2023-11-26 12:05:59,415 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:05:59,416 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:05:59,417 INFO L158 Benchmark]: Toolchain (without parser) took 32661.19ms. Allocated memory was 138.4MB in the beginning and 482.3MB in the end (delta: 343.9MB). Free memory was 94.2MB in the beginning and 162.6MB in the end (delta: -68.4MB). Peak memory consumption was 278.7MB. Max. memory is 16.1GB. [2023-11-26 12:05:59,417 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:05:59,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.40ms. Allocated memory is still 138.4MB. Free memory was 93.8MB in the beginning and 78.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 12:05:59,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.69ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 74.3MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:05:59,419 INFO L158 Benchmark]: Boogie Preprocessor took 120.07ms. Allocated memory is still 138.4MB. Free memory was 74.3MB in the beginning and 107.9MB in the end (delta: -33.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-26 12:05:59,419 INFO L158 Benchmark]: RCFGBuilder took 812.54ms. Allocated memory is still 138.4MB. Free memory was 107.9MB in the beginning and 83.1MB in the end (delta: 24.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-11-26 12:05:59,420 INFO L158 Benchmark]: TraceAbstraction took 31198.74ms. Allocated memory was 138.4MB in the beginning and 482.3MB in the end (delta: 343.9MB). Free memory was 82.2MB in the beginning and 163.6MB in the end (delta: -81.4MB). Peak memory consumption was 261.3MB. Max. memory is 16.1GB. [2023-11-26 12:05:59,420 INFO L158 Benchmark]: Witness Printer took 7.47ms. Allocated memory is still 482.3MB. Free memory was 163.6MB in the beginning and 162.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:05:59,422 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.40ms. Allocated memory is still 138.4MB. Free memory was 93.8MB in the beginning and 78.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.69ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 74.3MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.07ms. Allocated memory is still 138.4MB. Free memory was 74.3MB in the beginning and 107.9MB in the end (delta: -33.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * RCFGBuilder took 812.54ms. Allocated memory is still 138.4MB. Free memory was 107.9MB in the beginning and 83.1MB in the end (delta: 24.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * TraceAbstraction took 31198.74ms. Allocated memory was 138.4MB in the beginning and 482.3MB in the end (delta: 343.9MB). Free memory was 82.2MB in the beginning and 163.6MB in the end (delta: -81.4MB). Peak memory consumption was 261.3MB. Max. memory is 16.1GB. * Witness Printer took 7.47ms. Allocated memory is still 482.3MB. Free memory was 163.6MB in the beginning and 162.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 180, overapproximation of someBinaryFLOATComparisonOperation at line 180. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 256.5; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 7.5; [L25] double var_1_4 = 256.2; [L26] double var_1_5 = 2.75; [L27] signed long int var_1_6 = -64; [L28] double var_1_7 = 8.05; [L29] float var_1_8 = 5.25; [L30] signed long int var_1_11 = 4; [L31] unsigned short int var_1_14 = 10000; [L32] unsigned short int var_1_16 = 5; [L33] unsigned short int var_1_17 = 4; [L34] unsigned char var_1_18 = 100; [L35] unsigned char var_1_19 = 1; [L36] unsigned char var_1_20 = 8; [L37] double var_1_21 = 63.25; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_25 = 0; [L40] unsigned char var_1_26 = 0; [L41] signed long int var_1_27 = 0; [L42] signed short int var_1_29 = 2; [L43] unsigned char var_1_31 = 1; [L44] signed long int var_1_32 = 32; [L45] signed long int var_1_34 = 0; [L46] unsigned char var_1_37 = 1; [L47] unsigned long int var_1_38 = 16; [L48] unsigned char var_1_39 = 0; [L49] unsigned char var_1_40 = 0; [L50] double last_1_var_1_1 = 256.5; [L51] float last_1_var_1_8 = 5.25; [L52] signed long int last_1_var_1_11 = 4; [L53] unsigned short int last_1_var_1_14 = 10000; [L54] unsigned short int last_1_var_1_17 = 4; [L55] unsigned char last_1_var_1_18 = 100; [L184] isInitial = 1 [L185] FCALL initially() [L186] COND TRUE 1 [L187] CALL updateLastVariables() [L172] last_1_var_1_1 = var_1_1 [L173] last_1_var_1_8 = var_1_8 [L174] last_1_var_1_11 = var_1_11 [L175] last_1_var_1_14 = var_1_14 [L176] last_1_var_1_17 = var_1_17 [L177] last_1_var_1_18 = var_1_18 [L187] RET updateLastVariables() [L188] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L142] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L142] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L143] var_1_3 = __VERIFIER_nondet_double() [L144] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L144] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L145] var_1_4 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L146] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L147] var_1_5 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L148] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L149] var_1_7 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L150] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L151] CALL assume_abort_if_not(var_1_7 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L151] RET assume_abort_if_not(var_1_7 != 0.0F) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L152] var_1_16 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L153] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L154] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L154] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L155] var_1_19 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L156] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L157] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L157] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L158] var_1_20 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L159] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L160] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L160] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L161] var_1_25 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L162] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L163] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L163] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L164] var_1_26 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L165] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L166] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L166] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L167] var_1_40 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_40 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L168] RET assume_abort_if_not(var_1_40 >= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L169] CALL assume_abort_if_not(var_1_40 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L169] RET assume_abort_if_not(var_1_40 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L188] RET updateVariables() [L189] CALL step() [L59] COND FALSE !(\read(var_1_2)) [L68] var_1_17 = last_1_var_1_18 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L70] COND TRUE ! var_1_2 [L71] var_1_1 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L75] COND FALSE !(var_1_5 > (var_1_3 / var_1_7)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L80] unsigned short int stepLocal_1 = var_1_16; VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_1=101, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L81] EXPR var_1_6 | var_1_6 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_1=101, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L81] COND FALSE !((var_1_6 + (var_1_6 | var_1_6)) > stepLocal_1) [L84] COND FALSE !(var_1_5 >= var_1_1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_1=101, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L91] COND TRUE var_1_4 <= last_1_var_1_1 [L92] var_1_11 = (last_1_var_1_14 + -128) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L96] signed long int stepLocal_0 = var_1_11; VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L97] COND TRUE (var_1_14 * var_1_17) >= stepLocal_0 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L98] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L102] var_1_21 = var_1_5 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L103] COND FALSE !(var_1_5 < (- var_1_4)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L110] var_1_27 = var_1_16 [L111] var_1_29 = var_1_20 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L112] COND TRUE var_1_18 == var_1_18 [L113] var_1_31 = (! var_1_26) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L115] COND TRUE var_1_20 < ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L116] COND FALSE !(var_1_25 && ((~ 0u) > var_1_14)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L120] COND FALSE !(var_1_14 < var_1_19) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L123] COND FALSE !((- var_1_5) > var_1_7) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L131] var_1_37 = (var_1_2 && var_1_25) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L132] EXPR var_1_19 & var_1_18 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L132] EXPR (var_1_19 & var_1_18) & var_1_19 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L132] COND FALSE !(((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20))) <= ((var_1_19 & var_1_18) & var_1_19)) [L135] COND TRUE var_1_18 < var_1_16 [L136] var_1_39 = (! (var_1_26 && var_1_40)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L189] RET step() [L190] CALL, EXPR property() [L180] EXPR (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_14 * var_1_17) >= var_1_11) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= last_1_var_1_1) ? (var_1_11 == ((signed long int) (last_1_var_1_14 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (var_1_2 ? ((last_1_var_1_8 == var_1_5) ? (((128 * ((((last_1_var_1_18) < (last_1_var_1_11)) ? (last_1_var_1_18) : (last_1_var_1_11)))) > 1) ? (var_1_17 == ((unsigned short int) last_1_var_1_18)) : 1) : (var_1_17 == ((unsigned short int) last_1_var_1_18))) : (var_1_17 == ((unsigned short int) last_1_var_1_18)))) && (((var_1_6 + (var_1_6 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L180-L181] return (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_14 * var_1_17) >= var_1_11) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= last_1_var_1_1) ? (var_1_11 == ((signed long int) (last_1_var_1_14 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (var_1_2 ? ((last_1_var_1_8 == var_1_5) ? (((128 * ((((last_1_var_1_18) < (last_1_var_1_11)) ? (last_1_var_1_18) : (last_1_var_1_11)))) > 1) ? (var_1_17 == ((unsigned short int) last_1_var_1_18)) : 1) : (var_1_17 == ((unsigned short int) last_1_var_1_18))) : (var_1_17 == ((unsigned short int) last_1_var_1_18)))) && (((var_1_6 + (var_1_6 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) ; [L190] RET, EXPR property() [L190] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.0s, OverallIterations: 15, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3944 SdHoareTripleChecker+Valid, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3894 mSDsluCounter, 6410 SdHoareTripleChecker+Invalid, 7.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4390 mSDsCounter, 692 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3235 IncrementalHoareTripleChecker+Invalid, 3927 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 692 mSolverCounterUnsat, 2020 mSDtfsCounter, 3235 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2479 GetRequests, 2364 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3024occurred in iteration=10, InterpolantAutomatonStates: 110, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 8382 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 2169 NumberOfCodeBlocks, 2169 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2424 ConstructedInterpolants, 0 QuantifiedInterpolants, 10800 SizeOfPredicates, 38 NumberOfNonLiveVariables, 4883 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 12174/12312 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 12:05:59,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/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_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/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_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/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_83acaefa-45ec-4d22-be92-9d35c2a13210/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 f1f69e926e247cffb0673b28f1b3c2c34cd51dac56abbd190019668e79e93b0d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:06:02,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:06:02,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 12:06:02,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:06:02,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:06:02,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:06:02,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:06:02,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:06:02,755 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:06:02,761 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:06:02,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:06:02,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:06:02,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:06:02,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:06:02,766 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:06:02,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:06:02,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:06:02,768 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:06:02,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:06:02,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:06:02,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:06:02,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:06:02,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:06:02,773 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:06:02,773 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 12:06:02,774 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 12:06:02,774 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:06:02,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:06:02,775 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:06:02,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:06:02,778 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:06:02,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:06:02,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:06:02,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:06:02,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:06:02,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:06:02,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:06:02,781 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 12:06:02,782 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 12:06:02,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:06:02,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:06:02,783 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:06:02,783 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:06:02,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:06:02,784 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 12:06:02,784 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_83acaefa-45ec-4d22-be92-9d35c2a13210/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f69e926e247cffb0673b28f1b3c2c34cd51dac56abbd190019668e79e93b0d [2023-11-26 12:06:03,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:06:03,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:06:03,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:06:03,387 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:06:03,387 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:06:03,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2023-11-26 12:06:06,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:06:07,116 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:06:07,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2023-11-26 12:06:07,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/data/995eeb606/6d89eaa160f14627b3658b60a7e34cff/FLAG0dd25cb64 [2023-11-26 12:06:07,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/data/995eeb606/6d89eaa160f14627b3658b60a7e34cff [2023-11-26 12:06:07,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:06:07,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:06:07,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:06:07,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:06:07,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:06:07,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308c8e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07, skipping insertion in model container [2023-11-26 12:06:07,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:06:07,407 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_83acaefa-45ec-4d22-be92-9d35c2a13210/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i[919,932] [2023-11-26 12:06:07,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:06:07,542 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:06:07,560 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_83acaefa-45ec-4d22-be92-9d35c2a13210/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i[919,932] [2023-11-26 12:06:07,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:06:07,644 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:06:07,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07 WrapperNode [2023-11-26 12:06:07,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:06:07,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:06:07,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:06:07,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:06:07,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,780 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2023-11-26 12:06:07,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:06:07,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:06:07,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:06:07,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:06:07,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,815 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,839 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 12:06:07,851 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:06:07,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:06:07,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:06:07,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:06:07,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:07" (1/1) ... [2023-11-26 12:06:07,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:06:07,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:07,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:07,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83acaefa-45ec-4d22-be92-9d35c2a13210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:06:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:06:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 12:06:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:06:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:06:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:06:07,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:06:08,098 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:06:08,101 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation