./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-40.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_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/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_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/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_307820a2-be9a-427e-af2f-e52ef578f72c/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 0300ce453fbcc7b624e880ece9c63a87dd96de28f551375d60d4427eef99d3e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:17:27,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:17:28,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:17:28,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:17:28,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:17:28,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:17:28,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:17:28,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:17:28,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:17:28,079 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:17:28,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:17:28,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:17:28,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:17:28,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:17:28,083 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:17:28,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:17:28,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:17:28,085 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:17:28,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:17:28,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:17:28,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:17:28,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:17:28,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:17:28,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:17:28,094 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:17:28,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:17:28,100 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:17:28,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:17:28,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:17:28,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:17:28,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:17:28,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:17:28,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:17:28,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:17:28,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:17:28,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:17:28,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:17:28,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:17:28,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:17:28,111 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:17:28,112 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:17:28,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:17:28,113 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_307820a2-be9a-427e-af2f-e52ef578f72c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0300ce453fbcc7b624e880ece9c63a87dd96de28f551375d60d4427eef99d3e8 [2023-11-21 22:17:28,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:17:28,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:17:28,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:17:28,462 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:17:28,464 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:17:28,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-40.i [2023-11-21 22:17:32,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:17:32,484 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:17:32,485 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-40.i [2023-11-21 22:17:32,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/data/bfc14c4fb/bc8b4ad4ca4c4958b8982628112263e2/FLAG845f7598e [2023-11-21 22:17:32,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/data/bfc14c4fb/bc8b4ad4ca4c4958b8982628112263e2 [2023-11-21 22:17:32,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:17:32,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:17:32,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:17:32,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:17:32,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:17:32,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4604441a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32, skipping insertion in model container [2023-11-21 22:17:32,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,568 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:17:32,744 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_307820a2-be9a-427e-af2f-e52ef578f72c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-40.i[916,929] [2023-11-21 22:17:32,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:17:32,808 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:17:32,823 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_307820a2-be9a-427e-af2f-e52ef578f72c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-40.i[916,929] [2023-11-21 22:17:32,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:17:32,867 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:17:32,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32 WrapperNode [2023-11-21 22:17:32,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:17:32,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:17:32,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:17:32,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:17:32,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,932 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2023-11-21 22:17:32,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:17:32,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:17:32,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:17:32,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:17:32,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,950 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,965 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:17:32,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:17:32,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:17:32,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:17:32,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:17:32,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32" (1/1) ... [2023-11-21 22:17:32,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:17:33,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:17:33,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:17:33,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:17:33,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:17:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:17:33,104 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:17:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:17:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:17:33,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:17:33,251 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:17:33,260 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:17:33,707 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:17:34,061 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:17:34,062 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:17:34,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:17:34 BoogieIcfgContainer [2023-11-21 22:17:34,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:17:34,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:17:34,074 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:17:34,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:17:34,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:17:32" (1/3) ... [2023-11-21 22:17:34,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8fec42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:17:34, skipping insertion in model container [2023-11-21 22:17:34,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:32" (2/3) ... [2023-11-21 22:17:34,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8fec42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:17:34, skipping insertion in model container [2023-11-21 22:17:34,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:17:34" (3/3) ... [2023-11-21 22:17:34,087 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-40.i [2023-11-21 22:17:34,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:17:34,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:17:34,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:17:34,174 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;@1cf2c873, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:17:34,175 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:17:34,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-21 22:17:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 22:17:34,192 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:17:34,193 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:34,193 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:17:34,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:34,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1381855137, now seen corresponding path program 1 times [2023-11-21 22:17:34,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:34,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740216998] [2023-11-21 22:17:34,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:34,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:34,521 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:17:34,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1285392347] [2023-11-21 22:17:34,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:34,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:17:34,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:17:34,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:17:34,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:17:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:17:34,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:17:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:17:35,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:17:35,070 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:17:35,072 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:17:35,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:17:35,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:17:35,288 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:17:35,292 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:17:35,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:17:35 BoogieIcfgContainer [2023-11-21 22:17:35,408 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:17:35,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:17:35,409 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:17:35,410 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:17:35,410 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:17:34" (3/4) ... [2023-11-21 22:17:35,412 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:17:35,413 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:17:35,414 INFO L158 Benchmark]: Toolchain (without parser) took 2893.16ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 103.6MB in the beginning and 123.0MB in the end (delta: -19.4MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-11-21 22:17:35,415 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 144.7MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:17:35,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.46ms. Allocated memory is still 144.7MB. Free memory was 103.6MB in the beginning and 91.4MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:17:35,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.12ms. Allocated memory is still 144.7MB. Free memory was 91.4MB in the beginning and 88.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:17:35,417 INFO L158 Benchmark]: Boogie Preprocessor took 57.55ms. Allocated memory is still 144.7MB. Free memory was 88.6MB in the beginning and 85.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:17:35,418 INFO L158 Benchmark]: RCFGBuilder took 1073.75ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 85.7MB in the beginning and 161.8MB in the end (delta: -76.1MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-21 22:17:35,419 INFO L158 Benchmark]: TraceAbstraction took 1334.56ms. Allocated memory is still 203.4MB. Free memory was 160.7MB in the beginning and 124.0MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-21 22:17:35,419 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 203.4MB. Free memory was 124.0MB in the beginning and 123.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:17:35,424 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 144.7MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.46ms. Allocated memory is still 144.7MB. Free memory was 103.6MB in the beginning and 91.4MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.12ms. Allocated memory is still 144.7MB. Free memory was 91.4MB in the beginning and 88.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.55ms. Allocated memory is still 144.7MB. Free memory was 88.6MB in the beginning and 85.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1073.75ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 85.7MB in the beginning and 161.8MB in the end (delta: -76.1MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1334.56ms. Allocated memory is still 203.4MB. Free memory was 160.7MB in the beginning and 124.0MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 203.4MB. Free memory was 124.0MB in the beginning and 123.0MB in the end (delta: 1.0MB). 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 to_int at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of bitwiseOr at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_7 = 64; [L26] signed long int var_1_8 = -2; [L27] signed long int var_1_9 = -10; [L28] unsigned char var_1_11 = 128; [L29] unsigned char var_1_12 = 1; [L30] signed long int var_1_13 = 8; [L31] signed long int var_1_15 = 49; [L32] signed char var_1_16 = -2; [L33] signed char var_1_17 = 25; [L34] signed char var_1_18 = -5; [L35] signed long int var_1_19 = 7; [L36] signed short int var_1_20 = 1; [L37] signed short int var_1_21 = -256; [L38] signed long int last_1_var_1_13 = 8; [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] CALL updateLastVariables() [L98] last_1_var_1_13 = var_1_13 [L108] RET updateLastVariables() [L109] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L70] var_1_3 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L72] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L73] var_1_8 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=-10] [L75] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=-10] [L76] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=-10] [L77] var_1_9 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L79] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L80] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=128, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L81] var_1_11 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_11 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_11 >= 127) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L83] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=1, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L84] var_1_12 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L86] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=49, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L87] var_1_15 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=9, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=9, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=9, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=9, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L90] var_1_17 = __VERIFIER_nondet_char() [L91] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=9, var_1_16=-2, var_1_17=-5, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=9, var_1_16=-2, var_1_17=-5, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=9, var_1_16=-2, var_1_17=-5, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=9, var_1_16=-2, var_1_17=-5, var_1_18=-5, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L93] var_1_18 = __VERIFIER_nondet_char() [L94] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=9, var_1_16=-2, var_1_17=-5, var_1_18=-4, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=9, var_1_16=-2, var_1_17=-5, var_1_18=-4, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=9, var_1_16=-2, var_1_17=-5, var_1_18=-4, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=8, var_1_15=9, var_1_16=-2, var_1_17=-5, var_1_18=-4, var_1_19=7, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=2, var_1_9=1] [L109] RET updateVariables() [L110] CALL step() [L42] COND TRUE \read(var_1_3) [L43] var_1_16 = ((((var_1_17) > ((-2 + var_1_18))) ? (var_1_17) : ((-2 + var_1_18)))) [L45] var_1_19 = var_1_15 [L46] var_1_20 = var_1_16 [L47] var_1_21 = var_1_18 [L48] COND TRUE \read(var_1_2) [L49] COND FALSE !(var_1_3 && (var_1_19 <= (- 63.9f))) [L57] EXPR var_1_21 | var_1_16 [L57] COND TRUE ((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16) [L58] var_1_7 = (var_1_11 - var_1_12) [L62] COND TRUE var_1_19 != ((((last_1_var_1_13) < (var_1_19)) ? (last_1_var_1_13) : (var_1_19))) [L63] var_1_13 = (var_1_15 + (127.4 - 8.25)) [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR (var_1_2 ? ((var_1_3 && (var_1_19 <= (- 63.9f))) ? ((var_1_19 >= var_1_19) ? (var_1_3 ? (var_1_1 == ((signed long int) var_1_21)) : 1) : 1) : 1) : 1) && ((((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16)) ? (var_1_7 == ((unsigned char) (var_1_11 - var_1_12))) : (var_1_7 == ((unsigned char) var_1_12))) [L101] EXPR var_1_21 | var_1_16 [L101] EXPR (var_1_2 ? ((var_1_3 && (var_1_19 <= (- 63.9f))) ? ((var_1_19 >= var_1_19) ? (var_1_3 ? (var_1_1 == ((signed long int) var_1_21)) : 1) : 1) : 1) : 1) && ((((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16)) ? (var_1_7 == ((unsigned char) (var_1_11 - var_1_12))) : (var_1_7 == ((unsigned char) var_1_12))) [L101-L102] return ((((((var_1_2 ? ((var_1_3 && (var_1_19 <= (- 63.9f))) ? ((var_1_19 >= var_1_19) ? (var_1_3 ? (var_1_1 == ((signed long int) var_1_21)) : 1) : 1) : 1) : 1) && ((((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16)) ? (var_1_7 == ((unsigned char) (var_1_11 - var_1_12))) : (var_1_7 == ((unsigned char) var_1_12)))) && ((var_1_19 != ((((last_1_var_1_13) < (var_1_19)) ? (last_1_var_1_13) : (var_1_19)))) ? (var_1_13 == ((signed long int) (var_1_15 + (127.4 - 8.25)))) : 1)) && (var_1_3 ? (var_1_16 == ((signed char) ((((var_1_17) > ((-2 + var_1_18))) ? (var_1_17) : ((-2 + var_1_18)))))) : 1)) && (var_1_19 == ((signed long int) var_1_15))) && (var_1_20 == ((signed short int) var_1_16))) && (var_1_21 == ((signed short int) var_1_18)) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=0, var_1_15=9, var_1_16=-5, var_1_17=-5, var_1_18=-4, var_1_19=9, var_1_1=-4, var_1_20=-5, var_1_21=-4, var_1_2=1, var_1_3=1, var_1_7=0, var_1_8=2, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=8, var_1_11=127, var_1_12=127, var_1_13=0, var_1_15=9, var_1_16=-5, var_1_17=-5, var_1_18=-4, var_1_19=9, var_1_1=-4, var_1_20=-5, var_1_21=-4, var_1_2=1, var_1_3=1, var_1_7=0, var_1_8=2, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 20, 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=38occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 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 22:17:35,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/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_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/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_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/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_307820a2-be9a-427e-af2f-e52ef578f72c/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 0300ce453fbcc7b624e880ece9c63a87dd96de28f551375d60d4427eef99d3e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:17:38,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:17:38,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:17:38,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:17:38,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:17:38,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:17:38,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:17:38,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:17:38,877 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:17:38,883 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:17:38,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:17:38,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:17:38,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:17:38,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:17:38,887 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:17:38,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:17:38,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:17:38,890 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:17:38,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:17:38,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:17:38,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:17:38,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:17:38,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:17:38,893 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:17:38,894 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:17:38,894 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:17:38,895 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:17:38,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:17:38,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:17:38,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:17:38,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:17:38,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:17:38,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:17:38,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:17:38,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:17:38,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:17:38,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:17:38,901 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:17:38,901 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:17:38,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:17:38,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:17:38,902 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:17:38,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:17:38,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:17:38,903 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:17:38,903 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_307820a2-be9a-427e-af2f-e52ef578f72c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0300ce453fbcc7b624e880ece9c63a87dd96de28f551375d60d4427eef99d3e8 [2023-11-21 22:17:39,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:17:39,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:17:39,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:17:39,405 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:17:39,409 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:17:39,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-40.i [2023-11-21 22:17:43,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:17:43,397 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:17:43,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-40.i [2023-11-21 22:17:43,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/data/5c84f5f2c/c2d5c76ee1a447f9a962b3f940fa60c2/FLAG81c8e84d7 [2023-11-21 22:17:43,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/data/5c84f5f2c/c2d5c76ee1a447f9a962b3f940fa60c2 [2023-11-21 22:17:43,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:17:43,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:17:43,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:17:43,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:17:43,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:17:43,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:17:43" (1/1) ... [2023-11-21 22:17:43,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b726ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:43, skipping insertion in model container [2023-11-21 22:17:43,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:17:43" (1/1) ... [2023-11-21 22:17:43,531 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:17:43,780 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_307820a2-be9a-427e-af2f-e52ef578f72c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-40.i[916,929] [2023-11-21 22:17:43,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:17:43,896 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:17:43,914 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_307820a2-be9a-427e-af2f-e52ef578f72c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-40.i[916,929] [2023-11-21 22:17:43,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:17:44,004 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:17:44,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44 WrapperNode [2023-11-21 22:17:44,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:17:44,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:17:44,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:17:44,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:17:44,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44" (1/1) ... [2023-11-21 22:17:44,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44" (1/1) ... [2023-11-21 22:17:44,065 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-21 22:17:44,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:17:44,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:17:44,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:17:44,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:17:44,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44" (1/1) ... [2023-11-21 22:17:44,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44" (1/1) ... [2023-11-21 22:17:44,084 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44" (1/1) ... [2023-11-21 22:17:44,122 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:17:44,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44" (1/1) ... [2023-11-21 22:17:44,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44" (1/1) ... [2023-11-21 22:17:44,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44" (1/1) ... [2023-11-21 22:17:44,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44" (1/1) ... [2023-11-21 22:17:44,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44" (1/1) ... [2023-11-21 22:17:44,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44" (1/1) ... [2023-11-21 22:17:44,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:17:44,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:17:44,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:17:44,152 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:17:44,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44" (1/1) ... [2023-11-21 22:17:44,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:17:44,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:17:44,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:17:44,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:17:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:17:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:17:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:17:44,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:17:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:17:44,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:17:44,361 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:17:44,364 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:17:49,468 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:17:49,713 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:17:49,714 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:17:49,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:17:49 BoogieIcfgContainer [2023-11-21 22:17:49,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:17:49,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:17:49,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:17:49,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:17:49,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:17:43" (1/3) ... [2023-11-21 22:17:49,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46fe8df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:17:49, skipping insertion in model container [2023-11-21 22:17:49,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:44" (2/3) ... [2023-11-21 22:17:49,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46fe8df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:17:49, skipping insertion in model container [2023-11-21 22:17:49,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:17:49" (3/3) ... [2023-11-21 22:17:49,727 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-40.i [2023-11-21 22:17:49,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:17:49,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:17:49,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:17:49,840 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;@35ba86a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:17:49,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:17:49,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-21 22:17:49,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 22:17:49,862 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:17:49,863 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:49,863 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:17:49,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:49,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1892744761, now seen corresponding path program 1 times [2023-11-21 22:17:49,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:17:49,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996481381] [2023-11-21 22:17:49,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:49,899 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 22:17:49,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:17:49,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/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 22:17:49,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/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 22:17:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:17:50,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:17:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:17:50,754 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-21 22:17:50,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [122972937] [2023-11-21 22:17:50,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:50,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 22:17:50,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/cvc4 [2023-11-21 22:17:50,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 22:17:50,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_307820a2-be9a-427e-af2f-e52ef578f72c/bin/uautomizer-verify-bycVGegfSx/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 22:17:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:51,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 22:17:51,899 INFO L285 TraceCheckSpWp]: Computing forward predicates...