./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx --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 e39747c0599d257bc9747ed62d5cd40f48dc813d2f5d610d9a9769b95be59735 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:39,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:39,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:25:39,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:39,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:39,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:39,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:39,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:39,542 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:25:39,543 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:25:39,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:39,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:39,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:39,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:39,546 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:39,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:39,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:25:39,548 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:25:39,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:25:39,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:25:39,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:39,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:25:39,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:39,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:25:39,552 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:25:39,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:25:39,553 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:39,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:39,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:39,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:39,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:39,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:39,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:39,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:39,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:25:39,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:25:39,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:25:39,583 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:39,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:39,584 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:25:39,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:39,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:39,585 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_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e39747c0599d257bc9747ed62d5cd40f48dc813d2f5d610d9a9769b95be59735 [2023-11-21 22:25:39,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:39,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:39,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:39,950 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:39,951 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:39,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i [2023-11-21 22:25:43,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:43,420 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:43,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i [2023-11-21 22:25:43,441 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/data/9ff040acf/cf48e1bed5034e9497bf2196805f45c4/FLAG577cd804a [2023-11-21 22:25:43,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/data/9ff040acf/cf48e1bed5034e9497bf2196805f45c4 [2023-11-21 22:25:43,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:43,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:43,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:43,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:43,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:43,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f5ea78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43, skipping insertion in model container [2023-11-21 22:25:43,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,530 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:43,680 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_27399b07-0ce9-462f-9a91-c8aea034e7fc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i[915,928] [2023-11-21 22:25:43,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:43,743 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:43,754 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_27399b07-0ce9-462f-9a91-c8aea034e7fc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i[915,928] [2023-11-21 22:25:43,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:43,802 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:43,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43 WrapperNode [2023-11-21 22:25:43,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:43,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:43,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:43,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:43,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,856 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2023-11-21 22:25:43,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:43,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:43,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:43,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:43,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,871 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,883 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:25:43,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:43,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:43,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:43,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:43,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43" (1/1) ... [2023-11-21 22:25:43,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:43,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:43,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:43,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:25:43,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:25:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:25:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:43,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:44,080 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:44,082 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:25:44,451 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:25:44,732 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:25:44,733 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:25:44,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:44 BoogieIcfgContainer [2023-11-21 22:25:44,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:25:44,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:25:44,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:25:44,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:25:44,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:25:43" (1/3) ... [2023-11-21 22:25:44,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d96f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:44, skipping insertion in model container [2023-11-21 22:25:44,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:43" (2/3) ... [2023-11-21 22:25:44,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d96f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:44, skipping insertion in model container [2023-11-21 22:25:44,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:44" (3/3) ... [2023-11-21 22:25:44,750 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-17.i [2023-11-21 22:25:44,768 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:25:44,768 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:25:44,820 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:25:44,828 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;@1d297f05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:25:44,829 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:25:44,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-21 22:25:44,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 22:25:44,848 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:25:44,849 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:25:44,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:25:44,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:44,856 INFO L85 PathProgramCache]: Analyzing trace with hash -2080048987, now seen corresponding path program 1 times [2023-11-21 22:25:44,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:44,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423795440] [2023-11-21 22:25:44,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:44,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:45,108 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:25:45,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [569710501] [2023-11-21 22:25:45,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:45,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:25:45,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:45,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:25:45,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:25:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:45,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:25:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:45,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:25:45,793 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:25:45,794 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:25:45,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:46,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:25:46,007 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:25:46,012 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:25:46,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:25:46 BoogieIcfgContainer [2023-11-21 22:25:46,103 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:25:46,104 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:25:46,104 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:25:46,104 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:25:46,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:44" (3/4) ... [2023-11-21 22:25:46,107 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:25:46,109 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:25:46,110 INFO L158 Benchmark]: Toolchain (without parser) took 2640.59ms. Allocated memory is still 195.0MB. Free memory was 162.6MB in the beginning and 98.9MB in the end (delta: 63.8MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:46,111 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory was 102.0MB in the beginning and 101.8MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:46,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.52ms. Allocated memory is still 195.0MB. Free memory was 162.4MB in the beginning and 155.3MB in the end (delta: 7.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-21 22:25:46,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.98ms. Allocated memory is still 195.0MB. Free memory was 155.3MB in the beginning and 153.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:46,113 INFO L158 Benchmark]: Boogie Preprocessor took 45.81ms. Allocated memory is still 195.0MB. Free memory was 153.2MB in the beginning and 150.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:46,114 INFO L158 Benchmark]: RCFGBuilder took 831.87ms. Allocated memory is still 195.0MB. Free memory was 150.8MB in the beginning and 138.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:25:46,114 INFO L158 Benchmark]: TraceAbstraction took 1364.35ms. Allocated memory is still 195.0MB. Free memory was 138.8MB in the beginning and 98.9MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-21 22:25:46,115 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 195.0MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:46,118 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory was 102.0MB in the beginning and 101.8MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.52ms. Allocated memory is still 195.0MB. Free memory was 162.4MB in the beginning and 155.3MB in the end (delta: 7.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.98ms. Allocated memory is still 195.0MB. Free memory was 155.3MB in the beginning and 153.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.81ms. Allocated memory is still 195.0MB. Free memory was 153.2MB in the beginning and 150.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 831.87ms. Allocated memory is still 195.0MB. Free memory was 150.8MB in the beginning and 138.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1364.35ms. Allocated memory is still 195.0MB. Free memory was 138.8MB in the beginning and 98.9MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 195.0MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 42, overapproximation of shiftRight at line 45, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10000000.8; [L23] double var_1_3 = 16.2; [L24] double var_1_4 = 7.5; [L25] double var_1_5 = 49.6; [L26] signed short int var_1_6 = -10; [L27] unsigned long int var_1_7 = 3280833198; [L28] unsigned long int var_1_8 = 10000000; [L29] signed short int var_1_10 = 1; [L30] signed long int var_1_11 = -32; [L31] double var_1_12 = 128.25; [L32] double var_1_13 = 4.4; [L33] signed long int var_1_14 = -1; [L34] signed long int var_1_15 = 4; [L35] signed long int var_1_16 = 64; [L36] signed long int var_1_17 = 4; [L37] unsigned char var_1_18 = 1; [L38] unsigned char var_1_19 = 1; [L100] isInitial = 1 [L101] FCALL initially() [L102] int k_loop; [L103] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_3=81/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L103] COND TRUE k_loop < 1 [L104] FCALL updateLastVariables() [L105] CALL updateVariables() [L56] var_1_3 = __VERIFIER_nondet_double() [L57] CALL assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L58] var_1_4 = __VERIFIER_nondet_double() [L59] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L60] var_1_5 = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L62] var_1_7 = __VERIFIER_nondet_ulong() [L63] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=10000000] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=10000000] [L64] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=10000000] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=10000000] [L65] var_1_8 = __VERIFIER_nondet_ulong() [L66] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L67] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L68] var_1_10 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_10 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_10 >= -32767) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L70] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L71] var_1_12 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L73] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L74] var_1_13 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L76] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L77] var_1_14 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L79] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L80] var_1_15 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L82] CALL assume_abort_if_not(var_1_15 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_15 <= 2147483646) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L83] var_1_16 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L85] CALL assume_abort_if_not(var_1_16 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_16 <= 2147483646) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L86] var_1_17 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L88] CALL assume_abort_if_not(var_1_17 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_17 <= 2147483646) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L89] var_1_19 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L91] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147484670, var_1_8=2147483647] [L105] RET updateVariables() [L106] CALL step() [L42] COND FALSE !((var_1_5 * (- var_1_3)) != ((var_1_4 / 255.25) / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))))) [L45] EXPR var_1_15 >> var_1_11 [L45] COND FALSE !(((var_1_15 >> var_1_11) * var_1_7) <= var_1_17) [L48] COND TRUE \read(var_1_18) [L49] var_1_1 = (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))) [L51] COND TRUE (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - var_1_8) < var_1_11 [L52] var_1_6 = var_1_10 [L106] RET step() [L107] CALL, EXPR property() [L96] EXPR (((var_1_18 ? (var_1_1 == ((double) (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))))) : 1) && (((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - var_1_8) < var_1_11) ? (var_1_6 == ((signed short int) var_1_10)) : 1)) && (((var_1_5 * (- var_1_3)) != ((var_1_4 / 255.25) / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11 == ((signed long int) (((((var_1_14 - var_1_15)) > ((var_1_16 - var_1_17))) ? ((var_1_14 - var_1_15)) : ((var_1_16 - var_1_17)))))) : 1)) && ((((var_1_15 >> var_1_11) * var_1_7) <= var_1_17) ? (var_1_18 == ((unsigned char) var_1_19)) : 1) [L96-L97] return (((var_1_18 ? (var_1_1 == ((double) (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))))) : 1) && (((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - var_1_8) < var_1_11) ? (var_1_6 == ((signed short int) var_1_10)) : 1)) && (((var_1_5 * (- var_1_3)) != ((var_1_4 / 255.25) / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11 == ((signed long int) (((((var_1_14 - var_1_15)) > ((var_1_16 - var_1_17))) ? ((var_1_14 - var_1_15)) : ((var_1_16 - var_1_17)))))) : 1)) && ((((var_1_15 >> var_1_11) * var_1_7) <= var_1_17) ? (var_1_18 == ((unsigned char) var_1_19)) : 1) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=0, var_1_4=2, var_1_5=3, var_1_6=-32767, var_1_7=2147484670, var_1_8=2147483647] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=-1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=0, var_1_4=2, var_1_5=3, var_1_6=-32767, var_1_7=2147484670, var_1_8=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2023-11-21 22:25:46,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx --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 e39747c0599d257bc9747ed62d5cd40f48dc813d2f5d610d9a9769b95be59735 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:48,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:48,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:25:48,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:48,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:48,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:48,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:48,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:48,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:25:48,954 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:25:48,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:48,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:48,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:48,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:48,959 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:48,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:48,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:25:48,961 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:25:48,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:25:48,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:48,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:25:48,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:48,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:25:48,964 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:25:48,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:25:48,965 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:25:48,965 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:25:48,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:25:48,966 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:48,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:48,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:48,968 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:48,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:48,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:48,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:48,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:48,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:25:48,970 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:25:48,971 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:25:48,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:48,971 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:48,972 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:25:48,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:48,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:48,973 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:25:48,973 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_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e39747c0599d257bc9747ed62d5cd40f48dc813d2f5d610d9a9769b95be59735 [2023-11-21 22:25:49,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:49,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:49,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:49,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:49,414 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:49,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i [2023-11-21 22:25:52,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:53,025 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:53,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i [2023-11-21 22:25:53,037 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/data/604d00dd9/6f18932d808b48c19b251d9606f12d87/FLAGc34991ff6 [2023-11-21 22:25:53,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/data/604d00dd9/6f18932d808b48c19b251d9606f12d87 [2023-11-21 22:25:53,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:53,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:53,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:53,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:53,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:53,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378ea144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53, skipping insertion in model container [2023-11-21 22:25:53,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:53,332 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_27399b07-0ce9-462f-9a91-c8aea034e7fc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i[915,928] [2023-11-21 22:25:53,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:53,439 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:53,462 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_27399b07-0ce9-462f-9a91-c8aea034e7fc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i[915,928] [2023-11-21 22:25:53,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:53,531 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:53,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53 WrapperNode [2023-11-21 22:25:53,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:53,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:53,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:53,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:53,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,622 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2023-11-21 22:25:53,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:53,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:53,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:53,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:53,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,658 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,671 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:25:53,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:53,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:53,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:53,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:53,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:53,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:53,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:53,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:25:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:25:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:25:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:53,891 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:53,894 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:26:01,286 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:26:01,398 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:26:01,398 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:26:01,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:01 BoogieIcfgContainer [2023-11-21 22:26:01,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:26:01,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:26:01,403 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:26:01,406 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:26:01,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:25:53" (1/3) ... [2023-11-21 22:26:01,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7524df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:01, skipping insertion in model container [2023-11-21 22:26:01,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53" (2/3) ... [2023-11-21 22:26:01,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7524df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:01, skipping insertion in model container [2023-11-21 22:26:01,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:01" (3/3) ... [2023-11-21 22:26:01,435 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-17.i [2023-11-21 22:26:01,455 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:26:01,455 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:26:01,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:26:01,530 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;@23dc13a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:26:01,531 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:26:01,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-21 22:26:01,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 22:26:01,547 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:26:01,548 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:26:01,549 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:26:01,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:26:01,554 INFO L85 PathProgramCache]: Analyzing trace with hash 968004562, now seen corresponding path program 1 times [2023-11-21 22:26:01,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:26:01,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634960484] [2023-11-21 22:26:01,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:26:01,569 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 [2023-11-21 22:26:01,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:26:01,574 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:26:01,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27399b07-0ce9-462f-9a91-c8aea034e7fc/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:26:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:03,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 22:26:03,300 INFO L285 TraceCheckSpWp]: Computing forward predicates...