./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-48.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_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/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_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/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_dcd3611f-c66a-4311-baf5-394cc73a3f3c/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 6a0c9b70a7c594a87830ac5b654e0b63f6a113b2d10fec796a2f1b49d4b55982 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:49:38,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:49:39,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:49:39,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:49:39,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:49:39,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:49:39,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:49:39,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:49:39,093 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:49:39,099 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:49:39,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:49:39,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:49:39,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:49:39,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:49:39,104 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:49:39,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:49:39,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:49:39,106 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:49:39,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:49:39,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:49:39,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:49:39,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:49:39,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:49:39,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:49:39,110 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:49:39,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:49:39,111 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:49:39,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:49:39,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:49:39,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:49:39,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:49:39,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:49:39,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:49:39,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:49:39,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:49:39,117 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:49:39,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:49:39,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:49:39,118 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:49:39,118 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:49:39,118 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:49:39,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:49:39,119 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_dcd3611f-c66a-4311-baf5-394cc73a3f3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a0c9b70a7c594a87830ac5b654e0b63f6a113b2d10fec796a2f1b49d4b55982 [2023-11-26 10:49:39,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:49:39,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:49:39,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:49:39,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:49:39,568 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:49:39,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-48.i [2023-11-26 10:49:43,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:49:43,369 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:49:43,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-48.i [2023-11-26 10:49:43,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/data/39ea197d2/659839f5f09c4a7bb99ca4d11d67abec/FLAG3fde72c7d [2023-11-26 10:49:43,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/data/39ea197d2/659839f5f09c4a7bb99ca4d11d67abec [2023-11-26 10:49:43,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:49:43,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:49:43,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:43,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:49:43,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:49:43,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3189cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43, skipping insertion in model container [2023-11-26 10:49:43,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,488 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:49:43,716 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_dcd3611f-c66a-4311-baf5-394cc73a3f3c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-48.i[913,926] [2023-11-26 10:49:43,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:43,826 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:49:43,844 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_dcd3611f-c66a-4311-baf5-394cc73a3f3c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-48.i[913,926] [2023-11-26 10:49:43,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:43,899 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:49:43,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43 WrapperNode [2023-11-26 10:49:43,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:43,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:43,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:49:43,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:49:43,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,994 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2023-11-26 10:49:43,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:43,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:49:43,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:49:43,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:49:44,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:44,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:44,033 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:44,058 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 10:49:44,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:44,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:44,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:44,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:44,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:44,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:44,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:49:44,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:49:44,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:49:44,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:49:44,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:44,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:49:44,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:49:44,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:49:44,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:49:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:49:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:49:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:49:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:49:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:49:44,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:49:44,392 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:49:44,395 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:49:44,828 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:49:44,920 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:49:44,921 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:49:44,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:44 BoogieIcfgContainer [2023-11-26 10:49:44,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:49:44,925 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:49:44,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:49:44,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:49:44,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:49:43" (1/3) ... [2023-11-26 10:49:44,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a11c0a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:49:44, skipping insertion in model container [2023-11-26 10:49:44,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (2/3) ... [2023-11-26 10:49:44,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a11c0a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:49:44, skipping insertion in model container [2023-11-26 10:49:44,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:44" (3/3) ... [2023-11-26 10:49:44,935 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-48.i [2023-11-26 10:49:44,959 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:49:44,959 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:49:45,023 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:49:45,033 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;@6d2d2dd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:49:45,033 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:49:45,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-26 10:49:45,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-26 10:49:45,081 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:45,083 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:49:45,083 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:45,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:45,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1515844644, now seen corresponding path program 1 times [2023-11-26 10:49:45,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:45,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381541667] [2023-11-26 10:49:45,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:45,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:49:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 10:49:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:49:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 10:49:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 10:49:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-26 10:49:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-26 10:49:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:49:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-26 10:49:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-26 10:49:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-26 10:49:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-26 10:49:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 10:49:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-26 10:49:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-26 10:49:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-26 10:49:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-26 10:49:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-26 10:49:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-26 10:49:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-26 10:49:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-26 10:49:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-26 10:49:45,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:45,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381541667] [2023-11-26 10:49:45,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381541667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:45,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:45,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:49:45,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638702043] [2023-11-26 10:49:45,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:45,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:49:45,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:45,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:49:45,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:49:45,703 INFO L87 Difference]: Start difference. First operand has 53 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-26 10:49:45,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:45,757 INFO L93 Difference]: Finished difference Result 103 states and 181 transitions. [2023-11-26 10:49:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:49:45,761 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 127 [2023-11-26 10:49:45,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:45,771 INFO L225 Difference]: With dead ends: 103 [2023-11-26 10:49:45,771 INFO L226 Difference]: Without dead ends: 51 [2023-11-26 10:49:45,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 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 10:49:45,781 INFO L413 NwaCegarLoop]: 72 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, 72 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 10:49:45,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:49:45,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-26 10:49:45,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-26 10:49:45,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-26 10:49:45,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2023-11-26 10:49:45,844 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 127 [2023-11-26 10:49:45,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:45,845 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2023-11-26 10:49:45,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-26 10:49:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-26 10:49:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-26 10:49:45,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:45,852 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:49:45,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:49:45,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:45,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:45,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1581866322, now seen corresponding path program 1 times [2023-11-26 10:49:45,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:45,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41639321] [2023-11-26 10:49:45,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:45,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:49:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 10:49:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:49:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 10:49:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 10:49:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-26 10:49:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-26 10:49:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:49:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-26 10:49:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-26 10:49:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-26 10:49:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-26 10:49:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 10:49:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-26 10:49:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-26 10:49:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-26 10:49:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-26 10:49:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-26 10:49:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-26 10:49:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-26 10:49:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-26 10:49:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-26 10:49:46,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:46,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41639321] [2023-11-26 10:49:46,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41639321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:46,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:46,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:49:46,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932791655] [2023-11-26 10:49:46,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:46,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:49:46,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:46,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:49:46,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:49:46,654 INFO L87 Difference]: Start difference. First operand 51 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-26 10:49:46,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:46,729 INFO L93 Difference]: Finished difference Result 101 states and 149 transitions. [2023-11-26 10:49:46,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:49:46,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 127 [2023-11-26 10:49:46,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:46,736 INFO L225 Difference]: With dead ends: 101 [2023-11-26 10:49:46,736 INFO L226 Difference]: Without dead ends: 51 [2023-11-26 10:49:46,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 10:49:46,739 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 4 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:46,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 133 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:49:46,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-26 10:49:46,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-26 10:49:46,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-26 10:49:46,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2023-11-26 10:49:46,784 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 127 [2023-11-26 10:49:46,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:46,788 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2023-11-26 10:49:46,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-26 10:49:46,788 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2023-11-26 10:49:46,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-26 10:49:46,814 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:46,815 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:49:46,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:49:46,817 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:46,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:46,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1580019280, now seen corresponding path program 1 times [2023-11-26 10:49:46,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:46,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099036899] [2023-11-26 10:49:46,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:46,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:46,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:49:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:47,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:49:47,094 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:49:47,096 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:49:47,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:49:47,102 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 10:49:47,107 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:49:47,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:49:47 BoogieIcfgContainer [2023-11-26 10:49:47,211 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:49:47,212 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:49:47,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:49:47,213 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:49:47,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:44" (3/4) ... [2023-11-26 10:49:47,216 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:49:47,219 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:49:47,220 INFO L158 Benchmark]: Toolchain (without parser) took 3797.46ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 108.9MB in the beginning and 153.5MB in the end (delta: -44.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-26 10:49:47,221 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:49:47,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.37ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 96.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:49:47,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.55ms. Allocated memory is still 155.2MB. Free memory was 95.8MB in the beginning and 93.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:49:47,225 INFO L158 Benchmark]: Boogie Preprocessor took 92.10ms. Allocated memory is still 155.2MB. Free memory was 93.2MB in the beginning and 88.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:49:47,226 INFO L158 Benchmark]: RCFGBuilder took 833.05ms. Allocated memory is still 155.2MB. Free memory was 88.4MB in the beginning and 69.0MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 10:49:47,234 INFO L158 Benchmark]: TraceAbstraction took 2286.18ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 68.1MB in the beginning and 153.5MB in the end (delta: -85.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:49:47,234 INFO L158 Benchmark]: Witness Printer took 7.50ms. Allocated memory is still 213.9MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:49:47,236 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.37ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 96.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.55ms. Allocated memory is still 155.2MB. Free memory was 95.8MB in the beginning and 93.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.10ms. Allocated memory is still 155.2MB. Free memory was 93.2MB in the beginning and 88.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 833.05ms. Allocated memory is still 155.2MB. Free memory was 88.4MB in the beginning and 69.0MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2286.18ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 68.1MB in the beginning and 153.5MB in the end (delta: -85.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.50ms. Allocated memory is still 213.9MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 111. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 32.8; [L23] float var_1_2 = 255.675; [L24] float var_1_3 = 5.5; [L25] float var_1_4 = 128.75; [L26] float var_1_5 = 4.5; [L27] float var_1_6 = 9.25; [L28] unsigned char var_1_7 = 5; [L29] unsigned char var_1_11 = 200; [L30] unsigned char var_1_12 = 8; [L31] unsigned char var_1_13 = 4; [L32] unsigned char var_1_14 = 100; [L33] unsigned char var_1_15 = 64; [L34] unsigned char var_1_16 = 1; [L35] unsigned char var_1_17 = 200; [L36] unsigned char var_1_18 = 2; [L37] unsigned char var_1_19 = 0; [L38] unsigned long int var_1_20 = 1; [L39] signed long int var_1_21 = 64; [L40] unsigned char var_1_22 = 100; [L41] unsigned char last_1_var_1_7 = 5; [L115] isInitial = 1 [L116] FCALL initially() [L117] COND TRUE 1 [L118] CALL updateLastVariables() [L108] last_1_var_1_7 = var_1_7 [L118] RET updateLastVariables() [L119] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L73] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L74] var_1_3 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L75] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L76] var_1_4 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L77] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L78] var_1_5 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_6=37/4, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_6=37/4, var_1_7=5] [L79] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_6=37/4, var_1_7=5] [L80] var_1_6 = __VERIFIER_nondet_float() [L81] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L81] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L82] var_1_11 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_11 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L83] RET assume_abort_if_not(var_1_11 >= 190) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L84] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L84] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L85] var_1_12 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L86] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L87] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L87] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L88] var_1_13 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L90] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L90] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L91] var_1_14 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_14 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L92] RET assume_abort_if_not(var_1_14 >= 63) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L93] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L93] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L94] var_1_15 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_15 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L95] RET assume_abort_if_not(var_1_15 >= 63) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L96] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L96] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L97] var_1_17 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_17 >= 191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L98] RET assume_abort_if_not(var_1_17 >= 191) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L99] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L99] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L100] var_1_18 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L101] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L102] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L102] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L103] var_1_19 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=63, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=63, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L104] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=63, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L105] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L105] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L119] RET updateVariables() [L120] CALL step() [L45] COND FALSE !(var_1_2 <= var_1_3) [L52] var_1_1 = var_1_6 VAL [isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=260, var_1_20=1, var_1_21=64, var_1_22=100, var_1_6=260, var_1_7=5] [L54] var_1_20 = var_1_14 [L55] var_1_21 = var_1_17 [L56] var_1_22 = 4 [L57] signed long int stepLocal_0 = var_1_21; VAL [isInitial=1, last_1_var_1_7=5, stepLocal_0=191, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=1, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=260, var_1_20=127, var_1_21=191, var_1_22=4, var_1_6=260, var_1_7=5] [L58] COND FALSE !(((var_1_17 - var_1_12) - (8 + var_1_18)) > stepLocal_0) [L61] var_1_16 = var_1_19 VAL [isInitial=1, last_1_var_1_7=5, stepLocal_0=191, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=0, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=260, var_1_20=127, var_1_21=191, var_1_22=4, var_1_6=260, var_1_7=5] [L63] COND FALSE !(\read(var_1_16)) VAL [isInitial=1, last_1_var_1_7=5, stepLocal_0=191, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=0, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=260, var_1_20=127, var_1_21=191, var_1_22=4, var_1_6=260, var_1_7=5] [L120] RET step() [L121] CALL, EXPR property() [L111-L112] return ((((((var_1_2 <= var_1_3) ? ((var_1_3 < ((var_1_4 - var_1_5) + 1.395f)) ? (var_1_1 == ((float) var_1_6)) : (var_1_1 == ((float) var_1_6))) : (var_1_1 == ((float) var_1_6))) && (var_1_16 ? ((last_1_var_1_7 != last_1_var_1_7) ? (var_1_7 == ((unsigned char) ((var_1_11 - var_1_12) - var_1_13))) : (var_1_7 == ((unsigned char) (var_1_11 - (((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15))) - var_1_12))))) : 1)) && ((((var_1_17 - var_1_12) - (8 + var_1_18)) > var_1_21) ? (var_1_16 == ((unsigned char) (! var_1_19))) : (var_1_16 == ((unsigned char) var_1_19)))) && (var_1_20 == ((unsigned long int) var_1_14))) && (var_1_21 == ((signed long int) var_1_17))) && (var_1_22 == ((unsigned char) 4)) ; [L121] RET, EXPR property() [L121] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=0, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=260, var_1_20=127, var_1_21=191, var_1_22=4, var_1_6=260, var_1_7=5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_7=5, var_1_11=190, var_1_12=63, var_1_13=127, var_1_14=127, var_1_15=126, var_1_16=0, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=260, var_1_20=127, var_1_21=191, var_1_22=4, var_1_6=260, var_1_7=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 205 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 142 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 381 NumberOfCodeBlocks, 381 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1680/1680 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 10:49:47,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/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_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/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_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/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_dcd3611f-c66a-4311-baf5-394cc73a3f3c/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 6a0c9b70a7c594a87830ac5b654e0b63f6a113b2d10fec796a2f1b49d4b55982 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:49:50,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:49:50,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:49:50,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:49:50,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:49:50,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:49:50,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:49:50,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:49:50,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:49:50,483 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:49:50,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:49:50,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:49:50,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:49:50,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:49:50,488 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:49:50,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:49:50,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:49:50,490 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:49:50,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:49:50,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:49:50,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:49:50,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:49:50,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:49:50,493 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:49:50,493 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:49:50,494 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:49:50,494 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:49:50,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:49:50,495 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:49:50,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:49:50,498 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:49:50,498 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:49:50,498 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:49:50,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:49:50,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:49:50,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:49:50,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:49:50,501 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:49:50,501 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:49:50,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:49:50,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:49:50,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:49:50,502 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:49:50,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:49:50,503 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:49:50,503 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_dcd3611f-c66a-4311-baf5-394cc73a3f3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a0c9b70a7c594a87830ac5b654e0b63f6a113b2d10fec796a2f1b49d4b55982 [2023-11-26 10:49:51,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:49:51,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:49:51,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:49:51,057 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:49:51,057 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:49:51,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-48.i [2023-11-26 10:49:54,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:49:54,881 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:49:54,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-48.i [2023-11-26 10:49:54,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/data/46e086ab7/c38f60c2463d40dca8d5677b2c558558/FLAG1ccc0be5e [2023-11-26 10:49:54,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/data/46e086ab7/c38f60c2463d40dca8d5677b2c558558 [2023-11-26 10:49:54,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:49:54,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:49:54,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:54,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:49:54,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:49:54,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:54" (1/1) ... [2023-11-26 10:49:54,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee230e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:54, skipping insertion in model container [2023-11-26 10:49:54,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:54" (1/1) ... [2023-11-26 10:49:54,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:49:55,164 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_dcd3611f-c66a-4311-baf5-394cc73a3f3c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-48.i[913,926] [2023-11-26 10:49:55,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:55,271 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:49:55,287 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_dcd3611f-c66a-4311-baf5-394cc73a3f3c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-48.i[913,926] [2023-11-26 10:49:55,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:55,344 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:49:55,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55 WrapperNode [2023-11-26 10:49:55,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:55,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:55,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:49:55,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:49:55,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55" (1/1) ... [2023-11-26 10:49:55,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55" (1/1) ... [2023-11-26 10:49:55,420 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2023-11-26 10:49:55,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:55,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:49:55,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:49:55,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:49:55,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55" (1/1) ... [2023-11-26 10:49:55,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55" (1/1) ... [2023-11-26 10:49:55,461 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55" (1/1) ... [2023-11-26 10:49:55,486 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 10:49:55,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55" (1/1) ... [2023-11-26 10:49:55,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55" (1/1) ... [2023-11-26 10:49:55,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55" (1/1) ... [2023-11-26 10:49:55,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55" (1/1) ... [2023-11-26 10:49:55,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55" (1/1) ... [2023-11-26 10:49:55,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55" (1/1) ... [2023-11-26 10:49:55,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:49:55,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:49:55,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:49:55,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:49:55,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55" (1/1) ... [2023-11-26 10:49:55,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:49:55,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:49:55,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:49:55,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:49:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:49:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:49:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:49:55,712 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:49:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:49:55,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:49:55,848 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:49:55,850 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:49:56,836 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:49:56,956 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:49:56,956 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:49:56,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:56 BoogieIcfgContainer [2023-11-26 10:49:56,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:49:56,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:49:56,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:49:56,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:49:56,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:49:54" (1/3) ... [2023-11-26 10:49:56,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d36f5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:49:56, skipping insertion in model container [2023-11-26 10:49:56,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:55" (2/3) ... [2023-11-26 10:49:56,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d36f5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:49:56, skipping insertion in model container [2023-11-26 10:49:56,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:56" (3/3) ... [2023-11-26 10:49:56,973 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-48.i [2023-11-26 10:49:56,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:49:56,999 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:49:57,069 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:49:57,078 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;@5e8bbc74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:49:57,078 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:49:57,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-26 10:49:57,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-26 10:49:57,108 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:57,109 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:49:57,111 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:57,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:57,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1515844644, now seen corresponding path program 1 times [2023-11-26 10:49:57,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:49:57,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371347189] [2023-11-26 10:49:57,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:57,139 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:49:57,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:49:57,143 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:49:57,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 10:49:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:57,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:49:57,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:49:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-11-26 10:49:57,699 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:49:57,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:49:57,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371347189] [2023-11-26 10:49:57,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [371347189] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:57,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:57,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:49:57,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85810568] [2023-11-26 10:49:57,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:57,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:49:57,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:49:57,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:49:57,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:49:57,784 INFO L87 Difference]: Start difference. First operand has 53 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-26 10:49:57,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:57,869 INFO L93 Difference]: Finished difference Result 103 states and 181 transitions. [2023-11-26 10:49:57,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:49:57,873 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 127 [2023-11-26 10:49:57,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:57,898 INFO L225 Difference]: With dead ends: 103 [2023-11-26 10:49:57,898 INFO L226 Difference]: Without dead ends: 51 [2023-11-26 10:49:57,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 126 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 10:49:57,909 INFO L413 NwaCegarLoop]: 72 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, 72 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 10:49:57,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:49:57,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-26 10:49:57,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-26 10:49:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-26 10:49:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2023-11-26 10:49:57,995 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 127 [2023-11-26 10:49:57,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:57,996 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2023-11-26 10:49:57,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-26 10:49:57,997 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-26 10:49:58,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-26 10:49:58,012 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:58,013 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:49:58,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:49:58,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:49:58,221 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:58,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:58,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1581866322, now seen corresponding path program 1 times [2023-11-26 10:49:58,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:49:58,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818778346] [2023-11-26 10:49:58,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:58,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:49:58,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:49:58,227 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:49:58,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 10:49:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:58,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:49:58,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:49:58,789 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-26 10:49:58,789 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:49:58,790 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:49:58,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818778346] [2023-11-26 10:49:58,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1818778346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:58,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:58,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:49:58,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917395064] [2023-11-26 10:49:58,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:58,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:49:58,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:49:58,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:49:58,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:49:58,797 INFO L87 Difference]: Start difference. First operand 51 states and 75 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-26 10:49:59,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:59,709 INFO L93 Difference]: Finished difference Result 167 states and 237 transitions. [2023-11-26 10:49:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-26 10:49:59,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 127 [2023-11-26 10:49:59,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:59,716 INFO L225 Difference]: With dead ends: 167 [2023-11-26 10:49:59,716 INFO L226 Difference]: Without dead ends: 117 [2023-11-26 10:49:59,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2023-11-26 10:49:59,719 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 119 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:59,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 154 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 10:49:59,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-26 10:49:59,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 56. [2023-11-26 10:49:59,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-26 10:49:59,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 79 transitions. [2023-11-26 10:49:59,772 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 79 transitions. Word has length 127 [2023-11-26 10:49:59,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:59,775 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 79 transitions. [2023-11-26 10:49:59,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-26 10:49:59,776 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2023-11-26 10:49:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-26 10:49:59,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:59,780 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:49:59,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:49:59,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:49:59,989 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:59,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:59,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1580019280, now seen corresponding path program 1 times [2023-11-26 10:49:59,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:49:59,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434901320] [2023-11-26 10:49:59,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:59,992 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:49:59,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:49:59,998 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:50:00,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd3611f-c66a-4311-baf5-394cc73a3f3c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-26 10:50:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:00,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-26 10:50:00,293 INFO L285 TraceCheckSpWp]: Computing forward predicates...