./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ --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 26d624a9f364a3ec6745ec9e53f7f0150e248a4fcfa20eb8b3a2dbc29bb66a03 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:32:30,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:32:30,763 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 22:32:30,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:32:30,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:32:30,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:32:30,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:32:30,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:32:30,814 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:32:30,819 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:32:30,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:32:30,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:32:30,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:32:30,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:32:30,823 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:32:30,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:32:30,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:32:30,824 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:32:30,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:32:30,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:32:30,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:32:30,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:32:30,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:32:30,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:32:30,827 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:32:30,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:32:30,830 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:32:30,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:32:30,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:32:30,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:32:30,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:32:30,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:32:30,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:32:30,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:32:30,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:32:30,835 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:32:30,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:32:30,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:32:30,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:32:30,836 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:32:30,836 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:32:30,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:32:30,837 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_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26d624a9f364a3ec6745ec9e53f7f0150e248a4fcfa20eb8b3a2dbc29bb66a03 [2023-11-23 22:32:31,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:32:31,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:32:31,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:32:31,249 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:32:31,253 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:32:31,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i [2023-11-23 22:32:34,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:32:34,580 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:32:34,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i [2023-11-23 22:32:34,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/data/44afd9439/5e7aae565ddb48a584ce9cd815efe3e6/FLAG003940644 [2023-11-23 22:32:34,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/data/44afd9439/5e7aae565ddb48a584ce9cd815efe3e6 [2023-11-23 22:32:34,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:32:34,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:32:34,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:32:34,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:32:34,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:32:34,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:34,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b82c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34, skipping insertion in model container [2023-11-23 22:32:34,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:34,669 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:32:34,825 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_94666741-749e-48f7-9a7c-53777ba7deda/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i[917,930] [2023-11-23 22:32:34,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:32:34,899 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:32:34,911 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_94666741-749e-48f7-9a7c-53777ba7deda/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i[917,930] [2023-11-23 22:32:34,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:32:34,967 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:32:34,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34 WrapperNode [2023-11-23 22:32:34,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:32:34,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:32:34,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:32:34,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:32:34,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:34,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:35,046 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146 [2023-11-23 22:32:35,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:32:35,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:32:35,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:32:35,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:32:35,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:35,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:35,064 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:35,087 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 22:32:35,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:35,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:35,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:35,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:35,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:35,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:35,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:32:35,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:32:35,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:32:35,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:32:35,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34" (1/1) ... [2023-11-23 22:32:35,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:32:35,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:35,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:35,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:32:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:32:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 22:32:35,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 22:32:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:32:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:32:35,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:32:35,364 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:32:35,367 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:32:35,776 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:32:35,827 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:32:35,829 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:32:35,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:35 BoogieIcfgContainer [2023-11-23 22:32:35,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:32:35,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:32:35,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:32:35,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:32:35,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:32:34" (1/3) ... [2023-11-23 22:32:35,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c6389a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:32:35, skipping insertion in model container [2023-11-23 22:32:35,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:34" (2/3) ... [2023-11-23 22:32:35,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c6389a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:32:35, skipping insertion in model container [2023-11-23 22:32:35,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:35" (3/3) ... [2023-11-23 22:32:35,839 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-77.i [2023-11-23 22:32:35,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:32:35,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:32:35,931 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:32:35,938 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;@5c6c1a0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:32:35,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:32:35,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 22:32:35,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-23 22:32:35,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:35,964 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:35,965 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:35,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:35,971 INFO L85 PathProgramCache]: Analyzing trace with hash -731401140, now seen corresponding path program 1 times [2023-11-23 22:32:35,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:35,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179524900] [2023-11-23 22:32:35,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:35,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:36,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:36,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179524900] [2023-11-23 22:32:36,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-23 22:32:36,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590141403] [2023-11-23 22:32:36,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:36,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:36,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:36,281 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:32:36,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 22:32:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:36,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 22:32:36,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-11-23 22:32:36,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:32:36,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590141403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:36,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:36,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:32:36,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959503646] [2023-11-23 22:32:36,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:36,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:32:36,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:36,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:32:36,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:32:36,652 INFO L87 Difference]: Start difference. First operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 22:32:36,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:36,720 INFO L93 Difference]: Finished difference Result 121 states and 215 transitions. [2023-11-23 22:32:36,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:32:36,723 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 142 [2023-11-23 22:32:36,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:36,736 INFO L225 Difference]: With dead ends: 121 [2023-11-23 22:32:36,736 INFO L226 Difference]: Without dead ends: 60 [2023-11-23 22:32:36,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:32:36,747 INFO L413 NwaCegarLoop]: 89 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, 89 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 [2023-11-23 22:32:36,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:36,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-23 22:32:36,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-23 22:32:36,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 22:32:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 92 transitions. [2023-11-23 22:32:36,832 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 92 transitions. Word has length 142 [2023-11-23 22:32:36,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:36,833 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 92 transitions. [2023-11-23 22:32:36,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 22:32:36,834 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 92 transitions. [2023-11-23 22:32:36,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-23 22:32:36,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:36,838 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:36,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:37,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 22:32:37,060 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:37,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:37,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1451628806, now seen corresponding path program 1 times [2023-11-23 22:32:37,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:37,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857106436] [2023-11-23 22:32:37,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:37,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:37,200 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:32:37,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1618037890] [2023-11-23 22:32:37,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:37,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:37,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:37,208 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:32:37,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 22:32:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:37,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:32:37,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2023-11-23 22:32:37,673 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:32:37,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:37,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857106436] [2023-11-23 22:32:37,676 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:32:37,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618037890] [2023-11-23 22:32:37,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618037890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:37,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:37,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:32:37,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572373946] [2023-11-23 22:32:37,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:37,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:32:37,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:37,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:32:37,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:37,685 INFO L87 Difference]: Start difference. First operand 60 states and 92 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 22:32:37,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:37,882 INFO L93 Difference]: Finished difference Result 119 states and 183 transitions. [2023-11-23 22:32:37,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:32:37,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 142 [2023-11-23 22:32:37,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:37,886 INFO L225 Difference]: With dead ends: 119 [2023-11-23 22:32:37,887 INFO L226 Difference]: Without dead ends: 60 [2023-11-23 22:32:37,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-23 22:32:37,889 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 73 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:37,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 117 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:32:37,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-23 22:32:37,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-23 22:32:37,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 22:32:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 91 transitions. [2023-11-23 22:32:37,904 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 91 transitions. Word has length 142 [2023-11-23 22:32:37,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:37,910 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 91 transitions. [2023-11-23 22:32:37,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 22:32:37,910 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2023-11-23 22:32:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-23 22:32:37,919 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:37,919 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:37,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:38,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:38,134 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:38,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:38,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1451688388, now seen corresponding path program 1 times [2023-11-23 22:32:38,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:38,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692588851] [2023-11-23 22:32:38,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:38,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:38,182 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:32:38,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1124572311] [2023-11-23 22:32:38,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:38,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:38,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:38,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:32:38,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 22:32:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:38,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:32:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:38,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:32:38,864 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 22:32:38,866 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 22:32:38,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:39,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:39,079 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-23 22:32:39,083 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:32:39,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:32:39 BoogieIcfgContainer [2023-11-23 22:32:39,299 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:32:39,300 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:32:39,300 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:32:39,300 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:32:39,301 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:35" (3/4) ... [2023-11-23 22:32:39,303 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 22:32:39,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:32:39,305 INFO L158 Benchmark]: Toolchain (without parser) took 4684.75ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 100.8MB in the beginning and 125.9MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:32:39,306 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:32:39,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.98ms. Allocated memory is still 136.3MB. Free memory was 100.8MB in the beginning and 87.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 22:32:39,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.75ms. Allocated memory is still 136.3MB. Free memory was 87.0MB in the beginning and 83.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:32:39,307 INFO L158 Benchmark]: Boogie Preprocessor took 66.28ms. Allocated memory is still 136.3MB. Free memory was 83.5MB in the beginning and 79.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:32:39,308 INFO L158 Benchmark]: RCFGBuilder took 710.36ms. Allocated memory is still 136.3MB. Free memory was 79.1MB in the beginning and 85.7MB in the end (delta: -6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 22:32:39,308 INFO L158 Benchmark]: TraceAbstraction took 3467.27ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 84.8MB in the beginning and 125.9MB in the end (delta: -41.2MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2023-11-23 22:32:39,309 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 163.6MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:32:39,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.98ms. Allocated memory is still 136.3MB. Free memory was 100.8MB in the beginning and 87.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.75ms. Allocated memory is still 136.3MB. Free memory was 87.0MB in the beginning and 83.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.28ms. Allocated memory is still 136.3MB. Free memory was 83.5MB in the beginning and 79.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 710.36ms. Allocated memory is still 136.3MB. Free memory was 79.1MB in the beginning and 85.7MB in the end (delta: -6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3467.27ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 84.8MB in the beginning and 125.9MB in the end (delta: -41.2MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 163.6MB. Free memory is still 125.9MB. 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 131. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 2; [L23] float var_1_2 = 255.5; [L24] float var_1_3 = 99.8; [L25] signed char var_1_4 = -25; [L26] signed long int var_1_5 = -16; [L27] float var_1_6 = 255.25; [L28] unsigned short int var_1_7 = 16; [L29] signed char var_1_8 = -10; [L30] signed char var_1_9 = -8; [L31] unsigned short int var_1_10 = 8; [L32] unsigned short int var_1_11 = 10000; [L33] unsigned short int var_1_12 = 5; [L34] signed short int var_1_13 = 200; [L35] unsigned char var_1_14 = 0; [L36] unsigned char var_1_15 = 0; [L37] unsigned short int var_1_16 = 35895; [L38] unsigned short int var_1_17 = 18336; [L39] unsigned char var_1_18 = 0; [L40] signed long int var_1_19 = -50; [L135] isInitial = 1 [L136] FCALL initially() [L137] COND TRUE 1 [L138] FCALL updateLastVariables() [L139] CALL updateVariables() [L91] var_1_2 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L92] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L93] var_1_3 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L94] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L95] var_1_4 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L96] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L97] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L97] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L98] var_1_5 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L99] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L100] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L100] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L101] var_1_6 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=16, var_1_8=-10, var_1_9=-8] [L102] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=16, var_1_8=-10, var_1_9=-8] [L103] var_1_7 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_8=-10, var_1_9=-8] [L104] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_8=-10, var_1_9=-8] [L105] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-8] [L105] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-8] [L106] var_1_9 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L107] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L108] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L108] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L109] var_1_11 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_11 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L110] RET assume_abort_if_not(var_1_11 >= 8191) VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L111] CALL assume_abort_if_not(var_1_11 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L111] RET assume_abort_if_not(var_1_11 <= 16384) VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L112] var_1_12 = __VERIFIER_nondet_ushort() [L113] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L113] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L114] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L114] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L115] var_1_14 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L116] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L117] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L117] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L118] var_1_16 = __VERIFIER_nondet_ushort() [L119] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L119] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L120] CALL assume_abort_if_not(var_1_16 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L120] RET assume_abort_if_not(var_1_16 <= 65535) VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L121] var_1_17 = __VERIFIER_nondet_ushort() [L122] CALL assume_abort_if_not(var_1_17 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L122] RET assume_abort_if_not(var_1_17 >= 16383) VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L123] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L123] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L124] var_1_18 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L125] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L126] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L126] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L139] RET updateVariables() [L140] CALL step() [L44] signed long int stepLocal_0 = (((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)); VAL [isInitial=1, stepLocal_0=2, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L45] COND FALSE !(stepLocal_0 <= var_1_5) [L52] var_1_1 = var_1_7 VAL [isInitial=1, stepLocal_0=2, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=49153, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-10, var_1_9=-127] [L54] COND TRUE (- var_1_7) < (var_1_5 * var_1_4) [L55] var_1_8 = var_1_9 VAL [isInitial=1, stepLocal_0=2, var_1_10=8, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=49153, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-127, var_1_9=-127] [L57] var_1_10 = (50 + ((var_1_11 + 10000) - var_1_12)) VAL [isInitial=1, stepLocal_0=2, var_1_10=18232, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=49153, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-127, var_1_9=-127] [L58] COND FALSE !((var_1_6 * var_1_2) <= var_1_3) VAL [isInitial=1, stepLocal_0=2, var_1_10=18232, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=49153, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-127, var_1_9=-127] [L65] signed long int stepLocal_1 = var_1_16 - (var_1_17 - 256); VAL [isInitial=1, stepLocal_0=2, stepLocal_1=16640, var_1_10=18232, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=49153, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-127, var_1_9=-127] [L66] COND FALSE !(var_1_3 != var_1_6) [L73] var_1_15 = var_1_18 VAL [isInitial=1, stepLocal_0=2, stepLocal_1=16640, var_1_10=18232, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=49153, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-127, var_1_9=-127] [L75] signed long int stepLocal_4 = - var_1_5; [L76] signed long int stepLocal_3 = var_1_7 + (128 + var_1_10); [L77] signed long int stepLocal_2 = ((((var_1_5) < (var_1_17)) ? (var_1_5) : (var_1_17))) / var_1_11; VAL [isInitial=1, stepLocal_0=2, stepLocal_1=16640, stepLocal_2=-3, stepLocal_3=67513, stepLocal_4=24576, var_1_10=18232, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=49153, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-127, var_1_9=-127] [L78] COND TRUE var_1_10 < stepLocal_4 VAL [isInitial=1, stepLocal_0=2, stepLocal_1=16640, stepLocal_2=-3, stepLocal_3=67513, stepLocal_4=24576, var_1_10=18232, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=49153, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-127, var_1_9=-127] [L79] COND FALSE !(stepLocal_3 <= var_1_8) VAL [isInitial=1, stepLocal_0=2, stepLocal_1=16640, stepLocal_2=-3, stepLocal_3=67513, stepLocal_4=24576, var_1_10=18232, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=49153, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-127, var_1_9=-127] [L140] RET step() [L141] CALL, EXPR property() [L131-L132] return ((((((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= var_1_5) ? (((- var_1_3) > ((((var_1_2) > (var_1_6)) ? (var_1_2) : (var_1_6)))) ? (var_1_1 == ((unsigned short int) var_1_7)) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) && (((- var_1_7) < (var_1_5 * var_1_4)) ? (var_1_8 == ((signed char) var_1_9)) : 1)) && (var_1_10 == ((unsigned short int) (50 + ((var_1_11 + 10000) - var_1_12))))) && (((var_1_6 * var_1_2) <= var_1_3) ? (var_1_14 ? (var_1_13 == ((signed short int) (-10 + var_1_12))) : (var_1_13 == ((signed short int) var_1_4))) : 1)) && ((var_1_3 != var_1_6) ? ((var_1_1 >= (var_1_16 - (var_1_17 - 256))) ? (var_1_15 == ((unsigned char) var_1_18)) : (var_1_15 == ((unsigned char) var_1_18))) : (var_1_15 == ((unsigned char) var_1_18)))) && ((var_1_10 < (- var_1_5)) ? (((var_1_7 + (128 + var_1_10)) <= var_1_8) ? (var_1_19 == ((signed long int) var_1_4)) : 1) : ((var_1_10 < (((((var_1_5) < (var_1_17)) ? (var_1_5) : (var_1_17))) / var_1_11)) ? (var_1_19 == ((signed long int) ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))))) : (var_1_19 == ((signed long int) var_1_16)))) ; [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=18232, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=49153, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-127, var_1_9=-127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=18232, var_1_11=8192, var_1_12=10, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=49153, var_1_4=2, var_1_5=-24576, var_1_7=49153, var_1_8=-127, var_1_9=-127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 206 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 172 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.8s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 568 NumberOfCodeBlocks, 568 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 462 SizeOfPredicates, 5 NumberOfNonLiveVariables, 646 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2024/2024 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 [2023-11-23 22:32:39,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ --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 26d624a9f364a3ec6745ec9e53f7f0150e248a4fcfa20eb8b3a2dbc29bb66a03 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:32:42,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:32:42,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-23 22:32:42,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:32:42,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:32:42,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:32:42,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:32:42,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:32:42,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:32:42,210 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:32:42,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:32:42,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:32:42,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:32:42,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:32:42,214 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:32:42,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:32:42,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:32:42,217 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:32:42,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:32:42,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:32:42,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:32:42,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:32:42,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:32:42,221 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 22:32:42,222 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 22:32:42,222 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 22:32:42,222 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:32:42,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:32:42,223 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:32:42,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:32:42,227 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:32:42,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:32:42,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:32:42,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:32:42,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:32:42,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:32:42,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:32:42,230 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 22:32:42,231 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 22:32:42,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:32:42,231 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:32:42,231 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:32:42,232 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:32:42,232 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:32:42,233 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 22:32:42,234 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_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26d624a9f364a3ec6745ec9e53f7f0150e248a4fcfa20eb8b3a2dbc29bb66a03 [2023-11-23 22:32:42,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:32:42,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:32:42,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:32:42,753 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:32:42,754 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:32:42,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i [2023-11-23 22:32:45,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:32:46,188 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:32:46,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i [2023-11-23 22:32:46,197 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/data/7aa757288/c63c3463103a447a9128b302f0b99074/FLAGeadf7e6aa [2023-11-23 22:32:46,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/data/7aa757288/c63c3463103a447a9128b302f0b99074 [2023-11-23 22:32:46,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:32:46,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:32:46,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:32:46,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:32:46,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:32:46,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4752bf77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46, skipping insertion in model container [2023-11-23 22:32:46,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,280 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:32:46,464 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_94666741-749e-48f7-9a7c-53777ba7deda/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i[917,930] [2023-11-23 22:32:46,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:32:46,579 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:32:46,600 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_94666741-749e-48f7-9a7c-53777ba7deda/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i[917,930] [2023-11-23 22:32:46,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:32:46,706 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:32:46,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46 WrapperNode [2023-11-23 22:32:46,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:32:46,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:32:46,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:32:46,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:32:46,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,822 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-11-23 22:32:46,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:32:46,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:32:46,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:32:46,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:32:46,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,856 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,869 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 22:32:46,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:32:46,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:32:46,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:32:46,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:32:46,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46" (1/1) ... [2023-11-23 22:32:46,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:32:46,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:46,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:46,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:32:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:32:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-23 22:32:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 22:32:47,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 22:32:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:32:47,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:32:47,089 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:32:47,091 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:32:48,304 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:32:48,392 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:32:48,393 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:32:48,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:48 BoogieIcfgContainer [2023-11-23 22:32:48,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:32:48,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:32:48,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:32:48,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:32:48,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:32:46" (1/3) ... [2023-11-23 22:32:48,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39fd9d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:32:48, skipping insertion in model container [2023-11-23 22:32:48,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:46" (2/3) ... [2023-11-23 22:32:48,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39fd9d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:32:48, skipping insertion in model container [2023-11-23 22:32:48,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:48" (3/3) ... [2023-11-23 22:32:48,402 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-77.i [2023-11-23 22:32:48,421 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:32:48,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:32:48,483 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:32:48,489 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;@4432a5aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:32:48,490 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:32:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 22:32:48,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-23 22:32:48,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:48,512 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:48,513 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:48,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:48,518 INFO L85 PathProgramCache]: Analyzing trace with hash -731401140, now seen corresponding path program 1 times [2023-11-23 22:32:48,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:32:48,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766375230] [2023-11-23 22:32:48,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:48,534 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 [2023-11-23 22:32:48,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:32:48,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 22:32:48,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:32:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:48,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 22:32:48,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:48,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-11-23 22:32:48,949 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:32:48,950 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:32:48,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766375230] [2023-11-23 22:32:48,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766375230] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:48,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:48,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:32:48,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000420656] [2023-11-23 22:32:48,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:48,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:32:48,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:32:48,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:32:48,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:32:48,992 INFO L87 Difference]: Start difference. First operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 22:32:49,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:49,354 INFO L93 Difference]: Finished difference Result 121 states and 215 transitions. [2023-11-23 22:32:49,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:32:49,367 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 142 [2023-11-23 22:32:49,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:49,375 INFO L225 Difference]: With dead ends: 121 [2023-11-23 22:32:49,375 INFO L226 Difference]: Without dead ends: 60 [2023-11-23 22:32:49,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:32:49,383 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:49,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 22:32:49,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-23 22:32:49,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-23 22:32:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 22:32:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 92 transitions. [2023-11-23 22:32:49,433 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 92 transitions. Word has length 142 [2023-11-23 22:32:49,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:49,434 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 92 transitions. [2023-11-23 22:32:49,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 22:32:49,435 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 92 transitions. [2023-11-23 22:32:49,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-23 22:32:49,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:49,439 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:49,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 22:32:49,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:32:49,647 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:49,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:49,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1451628806, now seen corresponding path program 1 times [2023-11-23 22:32:49,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:32:49,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513039053] [2023-11-23 22:32:49,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:49,650 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 [2023-11-23 22:32:49,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:32:49,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 22:32:49,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:32:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:50,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 22:32:50,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 590 proven. 78 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2023-11-23 22:32:51,671 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:32:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-23 22:32:51,991 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:32:51,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513039053] [2023-11-23 22:32:51,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513039053] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 22:32:51,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:32:51,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2023-11-23 22:32:51,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894196956] [2023-11-23 22:32:51,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:52,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:52,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:32:52,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:52,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-23 22:32:52,005 INFO L87 Difference]: Start difference. First operand 60 states and 92 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 22:32:52,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:52,971 INFO L93 Difference]: Finished difference Result 119 states and 183 transitions. [2023-11-23 22:32:52,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:52,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2023-11-23 22:32:52,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:52,986 INFO L225 Difference]: With dead ends: 119 [2023-11-23 22:32:52,986 INFO L226 Difference]: Without dead ends: 60 [2023-11-23 22:32:52,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-23 22:32:52,989 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 4 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:52,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 168 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 22:32:52,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-23 22:32:53,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-23 22:32:53,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 22:32:53,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 91 transitions. [2023-11-23 22:32:53,004 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 91 transitions. Word has length 142 [2023-11-23 22:32:53,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:53,006 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 91 transitions. [2023-11-23 22:32:53,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 22:32:53,007 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2023-11-23 22:32:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-23 22:32:53,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:53,010 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:53,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:32:53,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:32:53,216 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:53,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:53,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1451688388, now seen corresponding path program 1 times [2023-11-23 22:32:53,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:32:53,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1363451996] [2023-11-23 22:32:53,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:53,218 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 [2023-11-23 22:32:53,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:32:53,219 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 22:32:53,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94666741-749e-48f7-9a7c-53777ba7deda/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:32:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 22:32:53,592 INFO L285 TraceCheckSpWp]: Computing forward predicates...