./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_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_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/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_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/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_84ffd196-b2c6-4bb2-86a7-3a962d787a17/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 c5b154791397fe03f4ccd2aee6b69c381d6379db1356ccf04a464c527d54c8e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:05:13,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:05:13,467 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:05:13,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:05:13,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:05:13,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:05:13,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:05:13,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:05:13,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:05:13,518 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:05:13,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:05:13,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:05:13,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:05:13,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:05:13,523 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:05:13,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:05:13,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:05:13,525 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:05:13,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:05:13,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:05:13,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:05:13,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:05:13,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:05:13,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:05:13,529 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:05:13,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:05:13,530 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:05:13,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:05:13,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:05:13,532 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:05:13,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:05:13,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:13,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:05:13,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:05:13,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:05:13,535 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:05:13,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:05:13,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:05:13,536 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:05:13,536 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:05:13,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:05:13,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:05:13,537 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_84ffd196-b2c6-4bb2-86a7-3a962d787a17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5b154791397fe03f4ccd2aee6b69c381d6379db1356ccf04a464c527d54c8e6 [2023-11-21 22:05:13,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:05:13,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:05:13,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:05:13,947 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:05:13,947 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:05:13,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i [2023-11-21 22:05:17,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:05:17,577 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:05:17,577 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i [2023-11-21 22:05:17,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/data/11683930a/426764d0d02e42e7beb982b149fdc0b9/FLAGf7b799489 [2023-11-21 22:05:17,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/data/11683930a/426764d0d02e42e7beb982b149fdc0b9 [2023-11-21 22:05:17,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:05:17,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:05:17,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:17,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:05:17,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:05:17,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:17" (1/1) ... [2023-11-21 22:05:17,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19202aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:17, skipping insertion in model container [2023-11-21 22:05:17,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:17" (1/1) ... [2023-11-21 22:05:17,657 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:05:17,852 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_84ffd196-b2c6-4bb2-86a7-3a962d787a17/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i[915,928] [2023-11-21 22:05:17,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:17,937 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:05:17,963 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_84ffd196-b2c6-4bb2-86a7-3a962d787a17/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i[915,928] [2023-11-21 22:05:18,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:18,029 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:05:18,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18 WrapperNode [2023-11-21 22:05:18,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:18,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:18,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:05:18,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:05:18,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18" (1/1) ... [2023-11-21 22:05:18,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18" (1/1) ... [2023-11-21 22:05:18,107 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2023-11-21 22:05:18,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:18,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:05:18,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:05:18,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:05:18,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18" (1/1) ... [2023-11-21 22:05:18,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18" (1/1) ... [2023-11-21 22:05:18,139 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18" (1/1) ... [2023-11-21 22:05:18,155 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:05:18,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18" (1/1) ... [2023-11-21 22:05:18,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18" (1/1) ... [2023-11-21 22:05:18,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18" (1/1) ... [2023-11-21 22:05:18,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18" (1/1) ... [2023-11-21 22:05:18,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18" (1/1) ... [2023-11-21 22:05:18,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18" (1/1) ... [2023-11-21 22:05:18,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:05:18,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:05:18,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:05:18,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:05:18,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18" (1/1) ... [2023-11-21 22:05:18,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:18,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:18,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:18,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:05:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:05:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:05:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:05:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:05:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:05:18,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:05:18,388 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:05:18,390 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:05:18,783 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:05:19,041 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:05:19,041 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:05:19,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:19 BoogieIcfgContainer [2023-11-21 22:05:19,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:05:19,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:05:19,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:05:19,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:05:19,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:05:17" (1/3) ... [2023-11-21 22:05:19,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb15195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:19, skipping insertion in model container [2023-11-21 22:05:19,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:18" (2/3) ... [2023-11-21 22:05:19,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb15195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:19, skipping insertion in model container [2023-11-21 22:05:19,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:19" (3/3) ... [2023-11-21 22:05:19,056 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-17.i [2023-11-21 22:05:19,080 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:05:19,080 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:05:19,150 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:05:19,156 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;@9476f8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:05:19,156 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:05:19,160 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 22:05:19,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 22:05:19,169 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:19,170 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 22:05:19,171 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:19,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:19,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1519043930, now seen corresponding path program 1 times [2023-11-21 22:05:19,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:19,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234421129] [2023-11-21 22:05:19,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:19,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:19,371 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:05:19,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [528941493] [2023-11-21 22:05:19,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:19,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:05:19,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:19,375 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:05:19,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:05:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:05:19,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:05:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:05:19,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:05:19,827 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:05:19,828 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:05:19,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:20,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:05:20,041 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:05:20,045 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:05:20,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:05:20 BoogieIcfgContainer [2023-11-21 22:05:20,126 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:05:20,126 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:05:20,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:05:20,127 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:05:20,127 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:19" (3/4) ... [2023-11-21 22:05:20,130 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:05:20,137 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:05:20,138 INFO L158 Benchmark]: Toolchain (without parser) took 2526.13ms. Allocated memory was 127.9MB in the beginning and 192.9MB in the end (delta: 65.0MB). Free memory was 83.7MB in the beginning and 112.5MB in the end (delta: -28.8MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-11-21 22:05:20,139 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory was 100.4MB in the beginning and 100.4MB in the end (delta: 80.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:05:20,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.15ms. Allocated memory is still 127.9MB. Free memory was 83.7MB in the beginning and 71.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:05:20,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.80ms. Allocated memory is still 127.9MB. Free memory was 71.3MB in the beginning and 69.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:20,141 INFO L158 Benchmark]: Boogie Preprocessor took 78.23ms. Allocated memory is still 127.9MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:20,142 INFO L158 Benchmark]: RCFGBuilder took 856.43ms. Allocated memory was 127.9MB in the beginning and 192.9MB in the end (delta: 65.0MB). Free memory was 66.9MB in the beginning and 153.5MB in the end (delta: -86.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-21 22:05:20,143 INFO L158 Benchmark]: TraceAbstraction took 1079.04ms. Allocated memory is still 192.9MB. Free memory was 153.5MB in the beginning and 113.6MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-21 22:05:20,143 INFO L158 Benchmark]: Witness Printer took 10.60ms. Allocated memory is still 192.9MB. Free memory was 113.6MB in the beginning and 112.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:20,150 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory was 100.4MB in the beginning and 100.4MB in the end (delta: 80.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.15ms. Allocated memory is still 127.9MB. Free memory was 83.7MB in the beginning and 71.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.80ms. Allocated memory is still 127.9MB. Free memory was 71.3MB in the beginning and 69.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.23ms. Allocated memory is still 127.9MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 856.43ms. Allocated memory was 127.9MB in the beginning and 192.9MB in the end (delta: 65.0MB). Free memory was 66.9MB in the beginning and 153.5MB in the end (delta: -86.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1079.04ms. Allocated memory is still 192.9MB. Free memory was 153.5MB in the beginning and 113.6MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 10.60ms. Allocated memory is still 192.9MB. Free memory was 113.6MB in the beginning and 112.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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] COND TRUE 1 [L103] FCALL updateLastVariables() [L104] 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=2147483647, var_1_8=0] [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=31, 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=2147483647, var_1_8=0] [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=31, 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=2147483647, var_1_8=0] [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=31, 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=2147483647, var_1_8=0] [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=31, 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=2147483647, var_1_8=0] [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=31, 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=2147483647, var_1_8=0] [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=31, 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=2147483647, var_1_8=0] [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=31, 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=2147483647, var_1_8=0] [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=31, 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=2147483647, var_1_8=0] [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=31, var_1_16=-1, var_1_17=31, 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=2147483647, var_1_8=0] [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=31, var_1_16=-1, var_1_17=31, 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=2147483647, var_1_8=0] [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=31, var_1_16=-1, var_1_17=31, 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=2147483647, var_1_8=0] [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=31, var_1_16=-1, var_1_17=31, 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=2147483647, var_1_8=0] [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=31, var_1_16=-1, var_1_17=31, 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=2147483647, var_1_8=0] [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=31, var_1_16=-1, var_1_17=31, 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=2147483647, var_1_8=0] [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=31, var_1_16=-1, var_1_17=31, 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=2147483647, var_1_8=0] [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=31, var_1_16=-1, var_1_17=31, 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=2147483647, var_1_8=0] [L104] RET updateVariables() [L105] CALL step() [L42] COND TRUE (var_1_5 * (- var_1_3)) != ((var_1_4 / 255.25) / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13)))) [L43] var_1_11 = (((((var_1_14 - var_1_15)) > ((var_1_16 - var_1_17))) ? ((var_1_14 - var_1_15)) : ((var_1_16 - var_1_17)))) [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 [L105] RET step() [L106] 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) ; [L106] RET, EXPR property() [L106] 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=31, var_1_16=-1, var_1_17=31, 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=2147483647, var_1_8=0] [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=31, var_1_16=-1, var_1_17=31, 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=2147483647, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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: 0.0s SsaConstructionTime, 0.2s 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 22:05:20,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/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_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/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_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/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_84ffd196-b2c6-4bb2-86a7-3a962d787a17/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 c5b154791397fe03f4ccd2aee6b69c381d6379db1356ccf04a464c527d54c8e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:05:23,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:05:23,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:05:23,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:05:23,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:05:23,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:05:23,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:05:23,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:05:23,228 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:05:23,229 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:05:23,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:05:23,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:05:23,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:05:23,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:05:23,236 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:05:23,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:05:23,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:05:23,239 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:05:23,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:05:23,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:05:23,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:05:23,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:05:23,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:05:23,242 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:05:23,242 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:05:23,243 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:05:23,243 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:05:23,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:05:23,244 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:05:23,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:05:23,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:05:23,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:05:23,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:05:23,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:23,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:05:23,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:05:23,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:05:23,249 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:05:23,249 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:05:23,249 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:05:23,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:05:23,250 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:05:23,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:05:23,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:05:23,251 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:05:23,251 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_84ffd196-b2c6-4bb2-86a7-3a962d787a17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5b154791397fe03f4ccd2aee6b69c381d6379db1356ccf04a464c527d54c8e6 [2023-11-21 22:05:23,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:05:23,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:05:23,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:05:23,733 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:05:23,734 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:05:23,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i [2023-11-21 22:05:27,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:05:27,327 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:05:27,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i [2023-11-21 22:05:27,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/data/a086ba87c/0452171c564f42a4bd22b0ace937dd74/FLAG49e0ffe41 [2023-11-21 22:05:27,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/data/a086ba87c/0452171c564f42a4bd22b0ace937dd74 [2023-11-21 22:05:27,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:05:27,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:05:27,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:27,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:05:27,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:05:27,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:27,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a842f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27, skipping insertion in model container [2023-11-21 22:05:27,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:27,421 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:05:27,671 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_84ffd196-b2c6-4bb2-86a7-3a962d787a17/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i[915,928] [2023-11-21 22:05:27,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:27,787 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:05:27,813 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_84ffd196-b2c6-4bb2-86a7-3a962d787a17/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i[915,928] [2023-11-21 22:05:27,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:27,890 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:05:27,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27 WrapperNode [2023-11-21 22:05:27,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:27,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:27,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:05:27,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:05:27,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:27,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:27,991 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2023-11-21 22:05:28,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:28,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:05:28,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:05:28,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:05:28,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:28,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:28,032 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:28,061 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:05:28,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:28,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:28,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:28,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:28,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:28,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:28,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:05:28,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:05:28,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:05:28,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:05:28,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27" (1/1) ... [2023-11-21 22:05:28,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:28,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:28,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:28,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:05:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:05:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:05:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:05:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:05:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:05:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:05:28,344 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:05:28,346 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:05:36,380 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:05:36,521 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:05:36,522 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:05:36,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:36 BoogieIcfgContainer [2023-11-21 22:05:36,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:05:36,527 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:05:36,527 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:05:36,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:05:36,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:05:27" (1/3) ... [2023-11-21 22:05:36,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7fe37c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:36, skipping insertion in model container [2023-11-21 22:05:36,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:27" (2/3) ... [2023-11-21 22:05:36,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7fe37c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:36, skipping insertion in model container [2023-11-21 22:05:36,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:36" (3/3) ... [2023-11-21 22:05:36,535 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-17.i [2023-11-21 22:05:36,556 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:05:36,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:05:36,611 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:05:36,619 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;@1d879578, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:05:36,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:05:36,625 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 22:05:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 22:05:36,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:36,640 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 22:05:36,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:36,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:36,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1529009619, now seen corresponding path program 1 times [2023-11-21 22:05:36,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:05:36,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177187438] [2023-11-21 22:05:36,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:36,665 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 22:05:36,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:05:36,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/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 22:05:36,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffd196-b2c6-4bb2-86a7-3a962d787a17/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 22:05:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 22:05:38,826 INFO L285 TraceCheckSpWp]: Computing forward predicates...