./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/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_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/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_a0cdacdf-b801-4205-a15c-f6b8c7048416/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 70056f6ecf6cc1e792a4daa4b0ef5828c715d2ed64331075caaff01f6900b2e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:38,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:38,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:25:38,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:38,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:38,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:38,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:38,283 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:38,284 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:25:38,289 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:25:38,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:38,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:38,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:38,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:38,293 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:38,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:38,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:25:38,294 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:25:38,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:25:38,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:25:38,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:38,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:25:38,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:38,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:25:38,306 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:25:38,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:25:38,307 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:38,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:38,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:38,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:38,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:38,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:38,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:38,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:38,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:25:38,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:25:38,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:25:38,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:38,312 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:38,312 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:25:38,312 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:38,313 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:38,313 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_a0cdacdf-b801-4205-a15c-f6b8c7048416/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70056f6ecf6cc1e792a4daa4b0ef5828c715d2ed64331075caaff01f6900b2e4 [2023-11-21 22:25:38,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:38,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:38,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:38,647 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:38,647 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:38,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i [2023-11-21 22:25:41,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:42,118 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:42,118 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i [2023-11-21 22:25:42,129 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/data/9bf6cebac/8a0ac6d9de784abdb3c70e3143e8cc2d/FLAG1621dc60c [2023-11-21 22:25:42,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/data/9bf6cebac/8a0ac6d9de784abdb3c70e3143e8cc2d [2023-11-21 22:25:42,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:42,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:42,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:42,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:42,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:42,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76fe3a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42, skipping insertion in model container [2023-11-21 22:25:42,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,192 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:42,347 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_a0cdacdf-b801-4205-a15c-f6b8c7048416/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i[916,929] [2023-11-21 22:25:42,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:42,405 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:42,416 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_a0cdacdf-b801-4205-a15c-f6b8c7048416/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i[916,929] [2023-11-21 22:25:42,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:42,457 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:42,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42 WrapperNode [2023-11-21 22:25:42,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:42,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:42,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:42,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:42,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,511 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-11-21 22:25:42,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:42,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:42,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:42,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:42,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,530 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,544 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:25:42,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:42,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:42,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:42,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:42,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:42,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:42,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:42,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:25:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:25:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:25:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:42,796 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:42,801 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:25:43,142 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:25:43,309 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:25:43,309 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:25:43,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:43 BoogieIcfgContainer [2023-11-21 22:25:43,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:25:43,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:25:43,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:25:43,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:25:43,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:25:42" (1/3) ... [2023-11-21 22:25:43,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65da2cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:43, skipping insertion in model container [2023-11-21 22:25:43,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42" (2/3) ... [2023-11-21 22:25:43,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65da2cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:43, skipping insertion in model container [2023-11-21 22:25:43,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:43" (3/3) ... [2023-11-21 22:25:43,322 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-13.i [2023-11-21 22:25:43,343 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:25:43,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:25:43,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:25:43,396 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;@a1498ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:25:43,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:25:43,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-21 22:25:43,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 22:25:43,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:25:43,410 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:25:43,410 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:25:43,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:43,415 INFO L85 PathProgramCache]: Analyzing trace with hash -529682566, now seen corresponding path program 1 times [2023-11-21 22:25:43,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:43,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228355676] [2023-11-21 22:25:43,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:43,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:43,618 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:25:43,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1696345169] [2023-11-21 22:25:43,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:43,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:25:43,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:43,627 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:25:43,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:25:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:43,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:25:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:44,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:25:44,053 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:25:44,055 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:25:44,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:44,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:25:44,272 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:25:44,276 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:25:44,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:25:44 BoogieIcfgContainer [2023-11-21 22:25:44,399 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:25:44,402 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:25:44,402 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:25:44,402 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:25:44,403 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:43" (3/4) ... [2023-11-21 22:25:44,407 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:25:44,408 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:25:44,410 INFO L158 Benchmark]: Toolchain (without parser) took 2259.86ms. Allocated memory is still 165.7MB. Free memory was 119.7MB in the beginning and 96.6MB in the end (delta: 23.1MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-21 22:25:44,410 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:44,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.94ms. Allocated memory is still 165.7MB. Free memory was 119.7MB in the beginning and 107.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:25:44,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.15ms. Allocated memory is still 165.7MB. Free memory was 107.1MB in the beginning and 104.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:44,420 INFO L158 Benchmark]: Boogie Preprocessor took 52.29ms. Allocated memory is still 165.7MB. Free memory was 104.6MB in the beginning and 101.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:25:44,421 INFO L158 Benchmark]: RCFGBuilder took 746.20ms. Allocated memory is still 165.7MB. Free memory was 101.2MB in the beginning and 130.2MB in the end (delta: -29.0MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-21 22:25:44,422 INFO L158 Benchmark]: TraceAbstraction took 1085.01ms. Allocated memory is still 165.7MB. Free memory was 129.3MB in the beginning and 97.2MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 22:25:44,422 INFO L158 Benchmark]: Witness Printer took 6.62ms. Allocated memory is still 165.7MB. Free memory was 97.2MB in the beginning and 96.6MB in the end (delta: 642.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:44,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.94ms. Allocated memory is still 165.7MB. Free memory was 119.7MB in the beginning and 107.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.15ms. Allocated memory is still 165.7MB. Free memory was 107.1MB in the beginning and 104.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.29ms. Allocated memory is still 165.7MB. Free memory was 104.6MB in the beginning and 101.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 746.20ms. Allocated memory is still 165.7MB. Free memory was 101.2MB in the beginning and 130.2MB in the end (delta: -29.0MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1085.01ms. Allocated memory is still 165.7MB. Free memory was 129.3MB in the beginning and 97.2MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 6.62ms. Allocated memory is still 165.7MB. Free memory was 97.2MB in the beginning and 96.6MB in the end (delta: 642.6kB). 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 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 25; [L23] unsigned char var_1_2 = 1; [L24] signed char var_1_5 = 16; [L25] unsigned short int var_1_6 = 16; [L26] signed char var_1_7 = 4; [L27] unsigned short int var_1_8 = 2; [L28] signed char var_1_9 = 64; [L29] signed char var_1_10 = 0; [L30] unsigned char var_1_11 = 16; [L31] signed long int var_1_12 = 128; [L32] signed long int var_1_13 = 50; [L33] signed long int var_1_14 = 3; [L34] signed long int var_1_15 = 25; [L96] isInitial = 1 [L97] FCALL initially() [L98] COND TRUE 1 [L99] FCALL updateLastVariables() [L100] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L62] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L63] var_1_6 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=64] [L65] CALL assume_abort_if_not(var_1_6 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_6 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=64] [L66] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=64] [L67] var_1_7 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=64] [L69] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=64] [L70] var_1_9 = __VERIFIER_nondet_char() [L71] CALL assume_abort_if_not(var_1_9 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_9 >= 63) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L72] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L73] var_1_10 = __VERIFIER_nondet_char() [L74] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=31, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L75] CALL assume_abort_if_not(var_1_10 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_10 <= 64) VAL [isInitial=1, var_1_10=31, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L76] var_1_12 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L78] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L79] var_1_13 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L81] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L82] var_1_14 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L84] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=25, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L85] var_1_15 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L87] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=25, var_1_2=0, var_1_5=16, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L100] RET updateVariables() [L101] CALL step() [L38] COND FALSE !(((var_1_12 - var_1_13) + var_1_14) <= (256.625 * ((((1.875) > (var_1_15)) ? (1.875) : (var_1_15))))) [L41] COND FALSE !(\read(var_1_2)) [L44] COND FALSE !((var_1_1 == 16) || (var_1_11 < (10 / var_1_6))) [L47] var_1_5 = 5 [L49] unsigned char stepLocal_1 = var_1_11; [L50] unsigned char stepLocal_0 = var_1_2; [L51] COND TRUE stepLocal_0 || (var_1_11 >= var_1_11) [L52] COND FALSE !(stepLocal_1 < ((var_1_9 - var_1_10) - 16)) [L101] RET step() [L102] CALL, EXPR property() [L92-L93] return (((var_1_2 ? (var_1_1 == ((unsigned short int) ((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))))) : 1) && (((var_1_1 == 16) || (var_1_11 < (10 / var_1_6))) ? (var_1_5 == ((signed char) var_1_7)) : (var_1_5 == ((signed char) 5)))) && ((var_1_2 || (var_1_11 >= var_1_11)) ? ((var_1_11 < ((var_1_9 - var_1_10) - 16)) ? (var_1_8 == ((unsigned short int) ((((var_1_10) > (32)) ? (var_1_10) : (32))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_9) < (var_1_11)) ? (var_1_9) : (var_1_11))))))) && ((((var_1_12 - var_1_13) + var_1_14) <= (256.625 * ((((1.875) > (var_1_15)) ? (1.875) : (var_1_15))))) ? (var_1_11 == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=25, var_1_2=0, var_1_5=5, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=31, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=25, var_1_2=0, var_1_5=5, var_1_6=10, var_1_7=-127, var_1_8=2, var_1_9=63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 19, 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=37occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 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 22:25:44,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/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_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/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_a0cdacdf-b801-4205-a15c-f6b8c7048416/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 70056f6ecf6cc1e792a4daa4b0ef5828c715d2ed64331075caaff01f6900b2e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:47,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:47,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:25:47,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:47,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:47,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:47,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:47,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:47,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:25:47,379 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:25:47,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:47,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:47,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:47,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:47,382 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:47,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:47,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:25:47,384 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:25:47,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:25:47,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:47,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:25:47,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:47,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:25:47,387 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:25:47,387 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:25:47,388 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:25:47,388 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:25:47,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:25:47,389 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:47,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:47,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:47,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:47,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:47,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:47,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:47,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:47,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:25:47,392 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:25:47,393 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:25:47,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:47,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:47,396 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:25:47,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:47,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:47,396 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:25:47,397 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_a0cdacdf-b801-4205-a15c-f6b8c7048416/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70056f6ecf6cc1e792a4daa4b0ef5828c715d2ed64331075caaff01f6900b2e4 [2023-11-21 22:25:47,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:47,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:47,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:47,851 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:47,852 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:47,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i [2023-11-21 22:25:51,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:51,438 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:51,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i [2023-11-21 22:25:51,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/data/3fd8d235a/d252b6a51a5341e789221b77e2386f78/FLAGedd45ed79 [2023-11-21 22:25:51,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/data/3fd8d235a/d252b6a51a5341e789221b77e2386f78 [2023-11-21 22:25:51,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:51,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:51,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:51,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:51,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:51,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:51,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47050d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51, skipping insertion in model container [2023-11-21 22:25:51,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:51,503 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:51,657 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_a0cdacdf-b801-4205-a15c-f6b8c7048416/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i[916,929] [2023-11-21 22:25:51,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:51,717 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:51,732 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_a0cdacdf-b801-4205-a15c-f6b8c7048416/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i[916,929] [2023-11-21 22:25:51,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:51,822 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:51,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51 WrapperNode [2023-11-21 22:25:51,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:51,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:51,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:51,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:51,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:51,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:51,906 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2023-11-21 22:25:51,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:51,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:51,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:51,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:51,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:51,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:51,930 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:51,955 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:25:51,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:51,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:51,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:51,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:51,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:51,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:51,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:51,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:51,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:51,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:51,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51" (1/1) ... [2023-11-21 22:25:52,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:52,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:52,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:52,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:25:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:25:52,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:25:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:52,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:52,164 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:52,167 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:25:58,025 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:25:58,167 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:25:58,167 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:25:58,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:58 BoogieIcfgContainer [2023-11-21 22:25:58,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:25:58,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:25:58,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:25:58,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:25:58,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:25:51" (1/3) ... [2023-11-21 22:25:58,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b7832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:58, skipping insertion in model container [2023-11-21 22:25:58,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:51" (2/3) ... [2023-11-21 22:25:58,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b7832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:58, skipping insertion in model container [2023-11-21 22:25:58,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:58" (3/3) ... [2023-11-21 22:25:58,179 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-13.i [2023-11-21 22:25:58,199 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:25:58,199 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:25:58,249 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:25:58,274 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;@358b9bdf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:25:58,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:25:58,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-21 22:25:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 22:25:58,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:25:58,298 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:25:58,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:25:58,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:58,308 INFO L85 PathProgramCache]: Analyzing trace with hash -529682566, now seen corresponding path program 1 times [2023-11-21 22:25:58,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:25:58,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593074775] [2023-11-21 22:25:58,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:58,324 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 22:25:58,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:25:58,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/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 22:25:58,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdacdf-b801-4205-a15c-f6b8c7048416/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 22:25:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:58,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 22:25:58,690 INFO L285 TraceCheckSpWp]: Computing forward predicates...