./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e423a9785a2c508e88f2a693c618a7fc86c73bb4cc55c0c04536ee3bc59ab4d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:45:46,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:45:46,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:45:46,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:45:46,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:45:46,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:45:46,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:45:46,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:45:46,444 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:45:46,445 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:45:46,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:45:46,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:45:46,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:45:46,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:45:46,450 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:45:46,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:45:46,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:45:46,452 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:45:46,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:45:46,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:45:46,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:45:46,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:45:46,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:45:46,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:45:46,458 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:45:46,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:45:46,459 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:45:46,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:45:46,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:45:46,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:45:46,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:45:46,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:45:46,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:45:46,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:45:46,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:45:46,466 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:45:46,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:45:46,467 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:45:46,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:45:46,469 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:45:46,470 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:45:46,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:45:46,474 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_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e423a9785a2c508e88f2a693c618a7fc86c73bb4cc55c0c04536ee3bc59ab4d6 [2023-11-26 10:45:46,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:45:46,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:45:46,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:45:46,880 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:45:46,881 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:45:46,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-67.i [2023-11-26 10:45:50,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:45:50,851 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:45:50,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-67.i [2023-11-26 10:45:50,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/data/5df6f8cd2/3937f70f0499425083f1aacfe31d33dc/FLAG7a78e2535 [2023-11-26 10:45:50,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/data/5df6f8cd2/3937f70f0499425083f1aacfe31d33dc [2023-11-26 10:45:50,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:45:50,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:45:50,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:50,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:45:50,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:45:50,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:50" (1/1) ... [2023-11-26 10:45:50,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2787bb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:50, skipping insertion in model container [2023-11-26 10:45:50,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:50" (1/1) ... [2023-11-26 10:45:50,943 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:45:51,185 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_3aae6ed9-2161-4fd1-85b9-604e315ac893/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-67.i[915,928] [2023-11-26 10:45:51,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:45:51,344 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:45:51,361 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_3aae6ed9-2161-4fd1-85b9-604e315ac893/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-67.i[915,928] [2023-11-26 10:45:51,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:45:51,435 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:45:51,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51 WrapperNode [2023-11-26 10:45:51,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:51,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:45:51,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:45:51,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:45:51,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51" (1/1) ... [2023-11-26 10:45:51,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51" (1/1) ... [2023-11-26 10:45:51,537 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2023-11-26 10:45:51,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:45:51,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:45:51,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:45:51,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:45:51,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51" (1/1) ... [2023-11-26 10:45:51,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51" (1/1) ... [2023-11-26 10:45:51,561 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51" (1/1) ... [2023-11-26 10:45:51,585 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:45:51,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51" (1/1) ... [2023-11-26 10:45:51,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51" (1/1) ... [2023-11-26 10:45:51,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51" (1/1) ... [2023-11-26 10:45:51,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51" (1/1) ... [2023-11-26 10:45:51,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51" (1/1) ... [2023-11-26 10:45:51,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51" (1/1) ... [2023-11-26 10:45:51,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:45:51,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:45:51,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:45:51,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:45:51,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51" (1/1) ... [2023-11-26 10:45:51,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:45:51,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:51,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:51,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:45:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:45:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:45:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:45:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:45:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:45:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:45:51,928 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:45:51,931 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:45:52,514 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:45:52,571 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:45:52,571 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:45:52,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:52 BoogieIcfgContainer [2023-11-26 10:45:52,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:45:52,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:45:52,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:45:52,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:45:52,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:45:50" (1/3) ... [2023-11-26 10:45:52,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e34b127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:45:52, skipping insertion in model container [2023-11-26 10:45:52,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:51" (2/3) ... [2023-11-26 10:45:52,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e34b127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:45:52, skipping insertion in model container [2023-11-26 10:45:52,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:52" (3/3) ... [2023-11-26 10:45:52,599 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-67.i [2023-11-26 10:45:52,628 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:45:52,628 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:45:52,693 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:45:52,701 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;@62b20be2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:45:52,701 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:45:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 47 states have internal predecessors, (68), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 10:45:52,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-26 10:45:52,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:52,737 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:52,739 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:45:52,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:52,747 INFO L85 PathProgramCache]: Analyzing trace with hash -899204430, now seen corresponding path program 1 times [2023-11-26 10:45:52,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:52,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000300073] [2023-11-26 10:45:52,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:52,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:53,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:53,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000300073] [2023-11-26 10:45:53,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:45:53,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395644059] [2023-11-26 10:45:53,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:53,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:45:53,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:53,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:45:53,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:45:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:53,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:45:53,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-11-26 10:45:53,373 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:45:53,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395644059] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:53,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:53,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:53,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353904517] [2023-11-26 10:45:53,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:53,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:45:53,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:53,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:45:53,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:45:53,427 INFO L87 Difference]: Start difference. First operand has 71 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 47 states have internal predecessors, (68), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-26 10:45:53,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:53,524 INFO L93 Difference]: Finished difference Result 139 states and 244 transitions. [2023-11-26 10:45:53,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:45:53,529 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 138 [2023-11-26 10:45:53,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:45:53,545 INFO L225 Difference]: With dead ends: 139 [2023-11-26 10:45:53,545 INFO L226 Difference]: Without dead ends: 69 [2023-11-26 10:45:53,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:45:53,559 INFO L413 NwaCegarLoop]: 104 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, 104 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:45:53,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:45:53,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-26 10:45:53,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-26 10:45:53,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 45 states have (on average 1.4) internal successors, (63), 45 states have internal predecessors, (63), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 10:45:53,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 107 transitions. [2023-11-26 10:45:53,632 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 107 transitions. Word has length 138 [2023-11-26 10:45:53,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:45:53,632 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 107 transitions. [2023-11-26 10:45:53,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-26 10:45:53,633 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2023-11-26 10:45:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-26 10:45:53,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:53,640 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:53,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:53,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 10:45:53,844 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:45:53,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:53,845 INFO L85 PathProgramCache]: Analyzing trace with hash -593967126, now seen corresponding path program 1 times [2023-11-26 10:45:53,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:53,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127436443] [2023-11-26 10:45:53,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:53,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:54,024 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:45:54,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2026195154] [2023-11-26 10:45:54,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:54,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:45:54,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:54,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:45:54,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:45:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:54,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:45:54,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-26 10:45:54,560 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:45:54,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:54,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127436443] [2023-11-26 10:45:54,561 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:45:54,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026195154] [2023-11-26 10:45:54,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026195154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:54,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:54,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:45:54,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042851108] [2023-11-26 10:45:54,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:54,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:45:54,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:54,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:45:54,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:45:54,569 INFO L87 Difference]: Start difference. First operand 69 states and 107 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 10:45:54,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:54,870 INFO L93 Difference]: Finished difference Result 206 states and 320 transitions. [2023-11-26 10:45:54,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:45:54,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2023-11-26 10:45:54,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:45:54,886 INFO L225 Difference]: With dead ends: 206 [2023-11-26 10:45:54,886 INFO L226 Difference]: Without dead ends: 138 [2023-11-26 10:45:54,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:45:54,895 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 74 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:45:54,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 297 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:45:54,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-26 10:45:54,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 118. [2023-11-26 10:45:54,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 71 states have (on average 1.323943661971831) internal successors, (94), 71 states have internal predecessors, (94), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-26 10:45:54,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 182 transitions. [2023-11-26 10:45:54,972 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 182 transitions. Word has length 138 [2023-11-26 10:45:54,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:45:54,976 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 182 transitions. [2023-11-26 10:45:54,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 10:45:54,977 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2023-11-26 10:45:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-26 10:45:54,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:54,988 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:55,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:55,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:45:55,197 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:45:55,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:55,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1996400992, now seen corresponding path program 1 times [2023-11-26 10:45:55,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:55,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706986214] [2023-11-26 10:45:55,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:55,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:55,315 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:45:55,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [194006250] [2023-11-26 10:45:55,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:55,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:45:55,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:55,318 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:45:55,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:45:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:55,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:55,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:55,994 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:45:55,996 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:45:56,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:56,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:45:56,212 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 10:45:56,218 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:45:56,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 10:45:56,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-26 10:45:56,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:45:56 BoogieIcfgContainer [2023-11-26 10:45:56,390 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:45:56,391 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:45:56,391 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:45:56,391 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:45:56,392 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:52" (3/4) ... [2023-11-26 10:45:56,394 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:45:56,395 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:45:56,396 INFO L158 Benchmark]: Toolchain (without parser) took 5507.34ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 121.1MB in the beginning and 144.5MB in the end (delta: -23.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-26 10:45:56,396 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 113.2MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:45:56,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.50ms. Allocated memory is still 163.6MB. Free memory was 121.1MB in the beginning and 107.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:45:56,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.04ms. Allocated memory is still 163.6MB. Free memory was 107.4MB in the beginning and 103.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:45:56,398 INFO L158 Benchmark]: Boogie Preprocessor took 116.80ms. Allocated memory is still 163.6MB. Free memory was 103.7MB in the beginning and 99.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:45:56,398 INFO L158 Benchmark]: RCFGBuilder took 915.72ms. Allocated memory is still 163.6MB. Free memory was 99.0MB in the beginning and 121.9MB in the end (delta: -22.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-26 10:45:56,399 INFO L158 Benchmark]: TraceAbstraction took 3815.06ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 121.0MB in the beginning and 144.5MB in the end (delta: -23.4MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-26 10:45:56,399 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 197.1MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:45:56,401 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 113.2MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.50ms. Allocated memory is still 163.6MB. Free memory was 121.1MB in the beginning and 107.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.04ms. Allocated memory is still 163.6MB. Free memory was 107.4MB in the beginning and 103.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.80ms. Allocated memory is still 163.6MB. Free memory was 103.7MB in the beginning and 99.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 915.72ms. Allocated memory is still 163.6MB. Free memory was 99.0MB in the beginning and 121.9MB in the end (delta: -22.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3815.06ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 121.0MB in the beginning and 144.5MB in the end (delta: -23.4MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 197.1MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 139, overapproximation of someBinaryArithmeticDOUBLEoperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 139, overapproximation of someUnaryFLOAToperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9.75; [L23] unsigned char var_1_3 = 1; [L24] signed long int var_1_4 = 25; [L25] unsigned char var_1_6 = 1; [L26] float var_1_7 = 7.5; [L27] signed long int var_1_8 = -1000; [L28] float var_1_9 = 9.25; [L29] float var_1_10 = 64.5; [L30] float var_1_11 = 16.25; [L31] signed char var_1_12 = 2; [L32] signed char var_1_13 = 8; [L33] signed char var_1_14 = 0; [L34] float var_1_15 = 0.6; [L35] signed char var_1_16 = 32; [L36] unsigned short int var_1_17 = 2; [L37] unsigned short int var_1_19 = 63241; [L38] unsigned short int var_1_20 = 58697; [L39] unsigned short int var_1_21 = 25516; [L40] unsigned long int var_1_22 = 3301682525; [L41] double last_1_var_1_1 = 9.75; [L42] unsigned char last_1_var_1_3 = 1; [L43] float last_1_var_1_7 = 7.5; [L44] signed char last_1_var_1_12 = 2; [L45] float last_1_var_1_15 = 0.6; [L46] unsigned short int last_1_var_1_17 = 2; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] CALL updateLastVariables() [L131] last_1_var_1_1 = var_1_1 [L132] last_1_var_1_3 = var_1_3 [L133] last_1_var_1_7 = var_1_7 [L134] last_1_var_1_12 = var_1_12 [L135] last_1_var_1_15 = var_1_15 [L136] last_1_var_1_17 = var_1_17 [L146] RET updateLastVariables() [L147] CALL updateVariables() [L95] var_1_4 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L96] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L97] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L97] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L98] var_1_6 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L99] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L100] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L100] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L101] var_1_8 = __VERIFIER_nondet_long() [L102] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L102] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L103] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L103] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L104] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L104] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L105] var_1_9 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L106] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L107] var_1_10 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L108] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L109] var_1_11 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L110] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L111] var_1_13 = __VERIFIER_nondet_char() [L112] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L112] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L113] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L113] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L114] var_1_14 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L115] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L116] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L116] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L117] var_1_19 = __VERIFIER_nondet_ushort() [L118] CALL assume_abort_if_not(var_1_19 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L118] RET assume_abort_if_not(var_1_19 >= 32767) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L119] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L119] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L120] var_1_20 = __VERIFIER_nondet_ushort() [L121] CALL assume_abort_if_not(var_1_20 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L121] RET assume_abort_if_not(var_1_20 >= 32767) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L122] CALL assume_abort_if_not(var_1_20 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L122] RET assume_abort_if_not(var_1_20 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L123] var_1_21 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_21 >= 24575) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L124] RET assume_abort_if_not(var_1_21 >= 24575) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L125] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L125] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L126] var_1_22 = __VERIFIER_nondet_ulong() [L127] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L127] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L128] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L128] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L147] RET updateVariables() [L148] CALL step() [L50] EXPR ((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L50] signed long int stepLocal_2 = ((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12; [L51] COND FALSE !(last_1_var_1_7 > (var_1_11 + last_1_var_1_15)) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, stepLocal_2=2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L60] unsigned long int stepLocal_3 = var_1_22 - var_1_20; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, stepLocal_2=2, stepLocal_3=4294901761, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L61] COND TRUE \read(last_1_var_1_3) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, stepLocal_2=2, stepLocal_3=4294901761, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L62] COND TRUE \read(var_1_6) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, stepLocal_2=2, stepLocal_3=4294901761, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L63] COND TRUE \read(last_1_var_1_3) [L64] var_1_17 = var_1_14 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, stepLocal_2=2, stepLocal_3=4294901761, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=1, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L78] var_1_3 = (((5 - last_1_var_1_17) <= (last_1_var_1_17 + last_1_var_1_17)) || var_1_6) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, stepLocal_2=2, stepLocal_3=4294901761, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=1, var_1_19=65534, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L79] COND TRUE 50 != var_1_16 [L80] var_1_1 = (1.00000000000025E12 - 24.25) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, stepLocal_2=2, stepLocal_3=4294901761, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=3/5, var_1_16=32, var_1_17=1, var_1_19=65534, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L82] var_1_12 = (var_1_13 - var_1_14) [L83] var_1_15 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) [L84] unsigned char stepLocal_1 = var_1_3; [L85] signed long int stepLocal_0 = (var_1_16 + 100) / var_1_8; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, stepLocal_0=0, stepLocal_1=1, stepLocal_2=2, stepLocal_3=4294901761, var_1_12=1, var_1_13=2, var_1_14=1, var_1_15=2, var_1_16=32, var_1_17=1, var_1_19=65534, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=0] [L86] COND FALSE !(stepLocal_0 >= var_1_17) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, stepLocal_0=0, stepLocal_1=1, stepLocal_2=2, stepLocal_3=4294901761, var_1_12=1, var_1_13=2, var_1_14=1, var_1_15=2, var_1_16=32, var_1_17=1, var_1_19=65534, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=0] [L148] RET step() [L149] CALL, EXPR property() [L139] EXPR ((((((50 != var_1_16) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - last_1_var_1_17) <= (last_1_var_1_17 + last_1_var_1_17)) || var_1_6)))) && ((((var_1_16 + 100) / var_1_8) >= var_1_17) ? ((var_1_3 || (var_1_17 > (var_1_17 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((last_1_var_1_7 > (var_1_11 + last_1_var_1_15)) ? ((var_1_14 < (((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12)) ? (last_1_var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=1, var_1_13=2, var_1_14=1, var_1_15=2, var_1_16=32, var_1_17=1, var_1_19=65534, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=0] [L139-L140] return (((((((50 != var_1_16) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - last_1_var_1_17) <= (last_1_var_1_17 + last_1_var_1_17)) || var_1_6)))) && ((((var_1_16 + 100) / var_1_8) >= var_1_17) ? ((var_1_3 || (var_1_17 > (var_1_17 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((last_1_var_1_7 > (var_1_11 + last_1_var_1_15)) ? ((var_1_14 < (((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12)) ? (last_1_var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1)) && (last_1_var_1_3 ? (var_1_6 ? (last_1_var_1_3 ? (var_1_17 == ((unsigned short int) var_1_14)) : (var_1_17 == ((unsigned short int) (((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - ((var_1_21 - 256) - 256))))) : (((var_1_22 - var_1_20) > (var_1_4 / var_1_8)) ? ((last_1_var_1_1 >= var_1_10) ? (var_1_17 == ((unsigned short int) var_1_14)) : 1) : 1)) : (var_1_17 == ((unsigned short int) var_1_21))) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=1, var_1_13=2, var_1_14=1, var_1_15=2, var_1_16=32, var_1_17=1, var_1_19=65534, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=1, var_1_13=2, var_1_14=1, var_1_15=2, var_1_16=32, var_1_17=1, var_1_19=65534, var_1_20=65534, var_1_21=24575, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 3, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 74 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 401 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 197 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 204 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=2, 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, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 554 NumberOfCodeBlocks, 554 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 530 SizeOfPredicates, 1 NumberOfNonLiveVariables, 678 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1848/1848 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 10:45:56,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e423a9785a2c508e88f2a693c618a7fc86c73bb4cc55c0c04536ee3bc59ab4d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:45:59,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:45:59,335 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:45:59,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:45:59,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:45:59,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:45:59,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:45:59,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:45:59,400 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:45:59,406 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:45:59,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:45:59,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:45:59,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:45:59,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:45:59,411 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:45:59,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:45:59,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:45:59,413 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:45:59,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:45:59,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:45:59,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:45:59,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:45:59,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:45:59,416 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:45:59,417 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:45:59,417 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:45:59,418 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:45:59,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:45:59,419 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:45:59,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:45:59,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:45:59,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:45:59,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:45:59,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:45:59,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:45:59,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:45:59,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:45:59,424 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:45:59,424 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:45:59,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:45:59,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:45:59,425 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:45:59,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:45:59,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:45:59,426 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:45:59,427 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_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e423a9785a2c508e88f2a693c618a7fc86c73bb4cc55c0c04536ee3bc59ab4d6 [2023-11-26 10:45:59,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:45:59,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:45:59,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:45:59,890 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:45:59,890 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:45:59,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-67.i [2023-11-26 10:46:03,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:46:03,448 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:46:03,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-67.i [2023-11-26 10:46:03,458 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/data/59bc5beb2/660e9b932c8248a593aebcb8abf3e826/FLAG099d886b6 [2023-11-26 10:46:03,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/data/59bc5beb2/660e9b932c8248a593aebcb8abf3e826 [2023-11-26 10:46:03,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:46:03,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:46:03,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:03,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:46:03,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:46:03,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:03,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e9155a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03, skipping insertion in model container [2023-11-26 10:46:03,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:03,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:03,720 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_3aae6ed9-2161-4fd1-85b9-604e315ac893/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-67.i[915,928] [2023-11-26 10:46:03,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:03,814 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:03,830 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_3aae6ed9-2161-4fd1-85b9-604e315ac893/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-67.i[915,928] [2023-11-26 10:46:03,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:03,930 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:03,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03 WrapperNode [2023-11-26 10:46:03,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:03,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:03,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:03,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:03,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:03,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:04,020 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2023-11-26 10:46:04,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:04,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:04,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:04,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:04,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:04,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:04,060 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:04,074 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:46:04,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:04,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:04,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:04,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:04,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:04,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:04,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:04,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:04,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:04,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:04,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03" (1/1) ... [2023-11-26 10:46:04,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:04,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:04,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:04,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:46:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:46:04,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:46:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:04,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:04,334 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:04,336 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:46:06,081 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:46:06,158 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:46:06,160 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:46:06,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:06 BoogieIcfgContainer [2023-11-26 10:46:06,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:46:06,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:46:06,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:46:06,168 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:46:06,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:46:03" (1/3) ... [2023-11-26 10:46:06,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665b9181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:06, skipping insertion in model container [2023-11-26 10:46:06,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:03" (2/3) ... [2023-11-26 10:46:06,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665b9181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:06, skipping insertion in model container [2023-11-26 10:46:06,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:06" (3/3) ... [2023-11-26 10:46:06,175 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-67.i [2023-11-26 10:46:06,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:46:06,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:46:06,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:46:06,276 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;@3fe1f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:46:06,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:46:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 10:46:06,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-26 10:46:06,305 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:06,306 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:06,307 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:06,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:06,315 INFO L85 PathProgramCache]: Analyzing trace with hash -429432265, now seen corresponding path program 1 times [2023-11-26 10:46:06,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:46:06,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46517556] [2023-11-26 10:46:06,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:06,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:46:06,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:46:06,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:46:06,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 10:46:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:06,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:46:06,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:07,507 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-26 10:46:07,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:46:07,512 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:46:07,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46517556] [2023-11-26 10:46:07,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46517556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:07,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:07,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:46:07,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638497420] [2023-11-26 10:46:07,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:07,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:46:07,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:46:07,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:46:07,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:46:07,562 INFO L87 Difference]: Start difference. First operand has 61 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 10:46:09,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:46:10,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:10,107 INFO L93 Difference]: Finished difference Result 178 states and 331 transitions. [2023-11-26 10:46:10,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:46:10,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 134 [2023-11-26 10:46:10,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:10,141 INFO L225 Difference]: With dead ends: 178 [2023-11-26 10:46:10,141 INFO L226 Difference]: Without dead ends: 118 [2023-11-26 10:46:10,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:46:10,148 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 55 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:10,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 253 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-26 10:46:10,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-26 10:46:10,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 105. [2023-11-26 10:46:10,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 58 states have (on average 1.2586206896551724) internal successors, (73), 58 states have internal predecessors, (73), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-26 10:46:10,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 161 transitions. [2023-11-26 10:46:10,238 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 161 transitions. Word has length 134 [2023-11-26 10:46:10,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:10,241 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 161 transitions. [2023-11-26 10:46:10,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 10:46:10,242 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 161 transitions. [2023-11-26 10:46:10,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-26 10:46:10,252 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:10,252 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:10,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-26 10:46:10,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:46:10,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:10,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:10,463 INFO L85 PathProgramCache]: Analyzing trace with hash -88961563, now seen corresponding path program 1 times [2023-11-26 10:46:10,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:46:10,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1093776991] [2023-11-26 10:46:10,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:10,464 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:46:10,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:46:10,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:46:10,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 10:46:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:10,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:46:10,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:11,269 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 177 proven. 57 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2023-11-26 10:46:11,270 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:46:11,626 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-26 10:46:11,627 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:46:11,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1093776991] [2023-11-26 10:46:11,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1093776991] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:46:11,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:46:11,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-26 10:46:11,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143103871] [2023-11-26 10:46:11,628 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:46:11,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:46:11,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:46:11,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:46:11,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:46:11,632 INFO L87 Difference]: Start difference. First operand 105 states and 161 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-11-26 10:46:12,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:12,739 INFO L93 Difference]: Finished difference Result 173 states and 257 transitions. [2023-11-26 10:46:12,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:46:12,772 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 136 [2023-11-26 10:46:12,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:12,775 INFO L225 Difference]: With dead ends: 173 [2023-11-26 10:46:12,775 INFO L226 Difference]: Without dead ends: 115 [2023-11-26 10:46:12,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:46:12,778 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 30 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:12,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 127 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 10:46:12,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-26 10:46:12,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111. [2023-11-26 10:46:12,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 62 states have internal predecessors, (73), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-26 10:46:12,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2023-11-26 10:46:12,806 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 136 [2023-11-26 10:46:12,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:12,807 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2023-11-26 10:46:12,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-11-26 10:46:12,807 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2023-11-26 10:46:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-26 10:46:12,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:12,816 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:12,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:13,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:46:13,032 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:13,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:13,033 INFO L85 PathProgramCache]: Analyzing trace with hash -629389331, now seen corresponding path program 1 times [2023-11-26 10:46:13,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:46:13,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451168969] [2023-11-26 10:46:13,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:13,034 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:46:13,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:46:13,035 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:46:13,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aae6ed9-2161-4fd1-85b9-604e315ac893/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-26 10:46:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:13,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-26 10:46:13,440 INFO L285 TraceCheckSpWp]: Computing forward predicates...