./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl --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 9892fa4411afdcbbbffaaa3a5f66b66df3561d966071f6e07747bea9e43a53de --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:30:33,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:30:33,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:30:33,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:30:33,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:30:33,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:30:33,494 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:30:33,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:30:33,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:30:33,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:30:33,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:30:33,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:30:33,499 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:30:33,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:30:33,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:30:33,503 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:30:33,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:30:33,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:30:33,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:30:33,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:30:33,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:30:33,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:30:33,513 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:30:33,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:30:33,514 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:30:33,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:30:33,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:30:33,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:30:33,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:33,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:30:33,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:30:33,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:30:33,520 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:30:33,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:30:33,521 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:30:33,521 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:30:33,521 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:30:33,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:30:33,522 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:30:33,522 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_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9892fa4411afdcbbbffaaa3a5f66b66df3561d966071f6e07747bea9e43a53de [2023-11-12 02:30:33,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:30:33,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:30:33,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:30:33,857 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:30:33,858 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:30:33,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-12 02:30:37,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:30:37,358 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:30:37,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-12 02:30:37,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/data/61e09c540/9176a03bbb0c4f528f55b040613e56fa/FLAGc7917d463 [2023-11-12 02:30:37,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/data/61e09c540/9176a03bbb0c4f528f55b040613e56fa [2023-11-12 02:30:37,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:30:37,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:30:37,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:37,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:30:37,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:30:37,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:37" (1/1) ... [2023-11-12 02:30:37,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1feb2d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37, skipping insertion in model container [2023-11-12 02:30:37,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:37" (1/1) ... [2023-11-12 02:30:37,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:30:37,598 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_04279208-9a63-4e93-98e7-f58a386bc994/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i[916,929] [2023-11-12 02:30:37,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:37,656 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:30:37,669 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_04279208-9a63-4e93-98e7-f58a386bc994/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i[916,929] [2023-11-12 02:30:37,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:37,715 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:30:37,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37 WrapperNode [2023-11-12 02:30:37,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:37,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:37,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:30:37,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:30:37,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37" (1/1) ... [2023-11-12 02:30:37,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37" (1/1) ... [2023-11-12 02:30:37,771 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2023-11-12 02:30:37,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:37,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:30:37,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:30:37,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:30:37,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37" (1/1) ... [2023-11-12 02:30:37,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37" (1/1) ... [2023-11-12 02:30:37,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37" (1/1) ... [2023-11-12 02:30:37,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37" (1/1) ... [2023-11-12 02:30:37,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37" (1/1) ... [2023-11-12 02:30:37,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37" (1/1) ... [2023-11-12 02:30:37,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37" (1/1) ... [2023-11-12 02:30:37,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37" (1/1) ... [2023-11-12 02:30:37,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:30:37,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:30:37,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:30:37,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:30:37,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37" (1/1) ... [2023-11-12 02:30:37,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:37,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:37,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:37,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:30:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:30:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:30:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:30:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:30:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:30:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:30:38,023 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:30:38,026 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:30:38,518 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:30:38,526 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:30:38,527 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:30:38,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:38 BoogieIcfgContainer [2023-11-12 02:30:38,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:30:38,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:30:38,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:30:38,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:30:38,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:30:37" (1/3) ... [2023-11-12 02:30:38,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3011a1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:38, skipping insertion in model container [2023-11-12 02:30:38,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:37" (2/3) ... [2023-11-12 02:30:38,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3011a1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:38, skipping insertion in model container [2023-11-12 02:30:38,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:38" (3/3) ... [2023-11-12 02:30:38,542 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-12 02:30:38,565 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:30:38,566 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:30:38,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:30:38,636 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;@208a7e48, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:30:38,637 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:30:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 39 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 02:30:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-12 02:30:38,660 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:38,661 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:38,662 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:38,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:38,668 INFO L85 PathProgramCache]: Analyzing trace with hash -483170306, now seen corresponding path program 1 times [2023-11-12 02:30:38,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:38,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111472076] [2023-11-12 02:30:38,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:38,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:38,871 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:30:38,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [239505192] [2023-11-12 02:30:38,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:38,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:38,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:38,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:38,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:30:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:39,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:30:39,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-12 02:30:39,337 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:39,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:39,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111472076] [2023-11-12 02:30:39,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:30:39,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239505192] [2023-11-12 02:30:39,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239505192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:39,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:39,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:30:39,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805250090] [2023-11-12 02:30:39,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:39,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:30:39,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:39,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:30:39,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:30:39,379 INFO L87 Difference]: Start difference. First operand has 64 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 39 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-12 02:30:39,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:39,462 INFO L93 Difference]: Finished difference Result 123 states and 215 transitions. [2023-11-12 02:30:39,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:30:39,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2023-11-12 02:30:39,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:39,474 INFO L225 Difference]: With dead ends: 123 [2023-11-12 02:30:39,474 INFO L226 Difference]: Without dead ends: 62 [2023-11-12 02:30:39,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:30:39,482 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 23 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:39,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 225 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:30:39,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-12 02:30:39,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2023-11-12 02:30:39,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 02:30:39,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2023-11-12 02:30:39,536 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 142 [2023-11-12 02:30:39,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:39,538 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2023-11-12 02:30:39,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-12 02:30:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2023-11-12 02:30:39,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-12 02:30:39,543 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:39,543 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:39,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:39,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:30:39,751 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:39,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:39,753 INFO L85 PathProgramCache]: Analyzing trace with hash -45261001, now seen corresponding path program 1 times [2023-11-12 02:30:39,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:39,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638653196] [2023-11-12 02:30:39,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:39,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:39,867 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:30:39,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1354669790] [2023-11-12 02:30:39,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:39,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:39,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:39,880 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:39,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:30:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:40,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:30:40,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:40,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-12 02:30:40,195 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:40,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:40,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638653196] [2023-11-12 02:30:40,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:30:40,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354669790] [2023-11-12 02:30:40,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354669790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:40,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:40,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:30:40,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113781445] [2023-11-12 02:30:40,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:40,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:30:40,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:40,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:30:40,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:30:40,199 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-12 02:30:40,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:40,258 INFO L93 Difference]: Finished difference Result 143 states and 208 transitions. [2023-11-12 02:30:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:30:40,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 144 [2023-11-12 02:30:40,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:40,262 INFO L225 Difference]: With dead ends: 143 [2023-11-12 02:30:40,262 INFO L226 Difference]: Without dead ends: 86 [2023-11-12 02:30:40,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:30:40,265 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 26 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:40,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 173 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:30:40,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-12 02:30:40,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2023-11-12 02:30:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 54 states have internal predecessors, (65), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 02:30:40,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 119 transitions. [2023-11-12 02:30:40,287 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 119 transitions. Word has length 144 [2023-11-12 02:30:40,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:40,288 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 119 transitions. [2023-11-12 02:30:40,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-12 02:30:40,288 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2023-11-12 02:30:40,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-12 02:30:40,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:40,292 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:40,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:40,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:40,501 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:40,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:40,502 INFO L85 PathProgramCache]: Analyzing trace with hash -102519303, now seen corresponding path program 1 times [2023-11-12 02:30:40,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:40,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090297465] [2023-11-12 02:30:40,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:40,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:40,571 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:30:40,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1360501858] [2023-11-12 02:30:40,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:40,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:40,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:40,576 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:40,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:30:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:40,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:41,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:41,055 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:30:41,056 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:30:41,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:41,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:41,271 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 02:30:41,275 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:30:41,414 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:30:41,421 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-12 02:30:41,421 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-12 02:30:41,421 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-12 02:30:41,422 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-12 02:30:41,422 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-12 02:30:41,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:30:41 BoogieIcfgContainer [2023-11-12 02:30:41,455 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:30:41,462 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:30:41,462 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:30:41,463 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:30:41,464 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:38" (3/4) ... [2023-11-12 02:30:41,466 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:30:41,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:30:41,477 INFO L158 Benchmark]: Toolchain (without parser) took 4078.79ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 90.3MB in the beginning and 119.8MB in the end (delta: -29.5MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-11-12 02:30:41,479 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:30:41,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.38ms. Allocated memory is still 136.3MB. Free memory was 90.0MB in the beginning and 77.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:30:41,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.02ms. Allocated memory is still 136.3MB. Free memory was 77.7MB in the beginning and 75.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:30:41,480 INFO L158 Benchmark]: Boogie Preprocessor took 38.08ms. Allocated memory is still 136.3MB. Free memory was 75.6MB in the beginning and 74.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:30:41,480 INFO L158 Benchmark]: RCFGBuilder took 718.77ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 74.0MB in the beginning and 163.7MB in the end (delta: -89.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-12 02:30:41,481 INFO L158 Benchmark]: TraceAbstraction took 2922.52ms. Allocated memory is still 195.0MB. Free memory was 163.7MB in the beginning and 120.8MB in the end (delta: 42.9MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2023-11-12 02:30:41,481 INFO L158 Benchmark]: Witness Printer took 5.92ms. Allocated memory is still 195.0MB. Free memory was 120.8MB in the beginning and 119.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:30:41,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.38ms. Allocated memory is still 136.3MB. Free memory was 90.0MB in the beginning and 77.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.02ms. Allocated memory is still 136.3MB. Free memory was 77.7MB in the beginning and 75.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.08ms. Allocated memory is still 136.3MB. Free memory was 75.6MB in the beginning and 74.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 718.77ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 74.0MB in the beginning and 163.7MB in the end (delta: -89.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2922.52ms. Allocated memory is still 195.0MB. Free memory was 163.7MB in the beginning and 120.8MB in the end (delta: 42.9MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Witness Printer took 5.92ms. Allocated memory is still 195.0MB. Free memory was 120.8MB in the beginning and 119.8MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 4; [L23] signed long int var_1_2 = 63; [L24] signed long int var_1_3 = 9999999; [L25] signed long int var_1_4 = 0; [L26] signed short int var_1_6 = 10; [L27] signed long int var_1_7 = -1; [L28] signed long int var_1_8 = 4; [L29] signed long int var_1_9 = 7; [L30] signed long int var_1_10 = 7; [L31] signed long int var_1_11 = 2; [L32] unsigned long int var_1_12 = 128; [L33] unsigned long int var_1_13 = 0; [L34] unsigned long int var_1_14 = 4078799264; [L35] unsigned long int var_1_15 = 500; [L36] unsigned long int var_1_16 = 25; [L37] unsigned long int last_1_var_1_15 = 500; VAL [isInitial=0, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=63, var_1_3=9999999, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=63, var_1_3=9999999, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L110] RET updateLastVariables() [L111] CALL updateVariables() [L64] var_1_2 = __VERIFIER_nondet_long() [L65] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=9999999, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=9999999, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L65] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=9999999, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L66] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=9999999, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=9999999, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L66] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=9999999, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L67] var_1_3 = __VERIFIER_nondet_long() [L68] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L68] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L69] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L69] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L70] var_1_6 = __VERIFIER_nondet_short() [L71] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=-1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=-1, var_1_8=4, var_1_9=7] [L71] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=-1, var_1_8=4, var_1_9=7] [L72] CALL assume_abort_if_not(var_1_6 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=-1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=-1, var_1_8=4, var_1_9=7] [L72] RET assume_abort_if_not(var_1_6 <= 32) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=-1, var_1_8=4, var_1_9=7] [L73] var_1_7 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=4, var_1_9=7] [L74] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=4, var_1_9=7] [L75] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=4, var_1_9=7] [L75] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=4, var_1_9=7] [L76] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=4, var_1_9=7] [L76] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=4, var_1_9=7] [L77] var_1_8 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=7] [L78] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=7] [L79] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=7] [L79] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=7] [L80] var_1_9 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L81] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L82] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L82] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L83] var_1_10 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L84] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L85] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L85] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L86] var_1_11 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L87] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L88] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L88] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L89] var_1_13 = __VERIFIER_nondet_ulong() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L91] CALL assume_abort_if_not(var_1_13 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L91] RET assume_abort_if_not(var_1_13 <= 4294967294) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L92] var_1_14 = __VERIFIER_nondet_ulong() [L93] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L93] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L94] CALL assume_abort_if_not(var_1_14 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L94] RET assume_abort_if_not(var_1_14 <= 4294967294) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L95] var_1_16 = __VERIFIER_nondet_ulong() [L96] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=500, var_1_16=9, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=500, var_1_16=9, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L96] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=500, var_1_16=9, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L97] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=500, var_1_16=9, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=500, var_1_16=9, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L97] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=500, var_1_16=9, var_1_1=4, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L111] RET updateVariables() [L112] CALL step() [L41] var_1_1 = (var_1_2 - var_1_3) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=500, var_1_16=9, var_1_1=-2147483647, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L42] COND FALSE !(((((-128) < (last_1_var_1_15)) ? (-128) : (last_1_var_1_15))) < var_1_13) [L49] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=9, var_1_16=9, var_1_1=-2147483647, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L51] EXPR var_1_15 >> var_1_6 VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=9, var_1_16=9, var_1_1=-2147483647, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L51] unsigned long int stepLocal_0 = (var_1_15 >> var_1_6) / var_1_7; [L52] COND TRUE 8 < stepLocal_0 [L53] var_1_4 = (((var_1_8 + var_1_9) + ((((var_1_10) < (1.9)) ? (var_1_10) : (1.9)))) + (99.125 + var_1_11)) VAL [isInitial=1, last_1_var_1_15=500, stepLocal_0=9, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=9, var_1_16=9, var_1_1=-2147483647, var_1_2=0, var_1_3=2147483647, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L55] COND FALSE !(var_1_2 < var_1_8) VAL [isInitial=1, last_1_var_1_15=500, stepLocal_0=9, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=9, var_1_16=9, var_1_1=-2147483647, var_1_2=0, var_1_3=2147483647, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR (var_1_1 == ((signed long int) (var_1_2 - var_1_3))) && ((8 < ((var_1_15 >> var_1_6) / var_1_7)) ? (var_1_4 == ((signed long int) (((var_1_8 + var_1_9) + ((((var_1_10) < (1.9)) ? (var_1_10) : (1.9)))) + (99.125 + var_1_11)))) : 1) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=9, var_1_16=9, var_1_1=-2147483647, var_1_2=0, var_1_3=2147483647, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L103] EXPR var_1_15 >> var_1_6 VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=9, var_1_16=9, var_1_1=-2147483647, var_1_2=0, var_1_3=2147483647, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L103] EXPR (var_1_1 == ((signed long int) (var_1_2 - var_1_3))) && ((8 < ((var_1_15 >> var_1_6) / var_1_7)) ? (var_1_4 == ((signed long int) (((var_1_8 + var_1_9) + ((((var_1_10) < (1.9)) ? (var_1_10) : (1.9)))) + (99.125 + var_1_11)))) : 1) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=9, var_1_16=9, var_1_1=-2147483647, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L103-L104] return (((var_1_1 == ((signed long int) (var_1_2 - var_1_3))) && ((8 < ((var_1_15 >> var_1_6) / var_1_7)) ? (var_1_4 == ((signed long int) (((var_1_8 + var_1_9) + ((((var_1_10) < (1.9)) ? (var_1_10) : (1.9)))) + (99.125 + var_1_11)))) : 1)) && ((var_1_2 < var_1_8) ? ((((- var_1_15) <= var_1_6) || (var_1_4 < var_1_10)) ? (var_1_12 == ((unsigned long int) ((((var_1_6) < (var_1_13)) ? (var_1_6) : (var_1_13))))) : (var_1_12 == ((unsigned long int) (var_1_14 - var_1_6)))) : 1)) && ((((((-128) < (last_1_var_1_15)) ? (-128) : (last_1_var_1_15))) < var_1_13) ? ((last_1_var_1_15 > var_1_7) ? (var_1_15 == ((unsigned long int) (var_1_6 + var_1_16))) : (var_1_15 == ((unsigned long int) var_1_14))) : (var_1_15 == ((unsigned long int) var_1_16))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=9, var_1_16=9, var_1_1=-2147483647, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=500, var_1_10=2147483647, var_1_11=2147483647, var_1_12=128, var_1_13=500, var_1_14=2147483647, var_1_15=9, var_1_16=9, var_1_1=-2147483647, var_1_2=0, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=-2147483648, var_1_9=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 398 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 213 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 185 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=2, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 430 NumberOfCodeBlocks, 430 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 664 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2024/2024 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 [2023-11-12 02:30:41,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/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_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl --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 9892fa4411afdcbbbffaaa3a5f66b66df3561d966071f6e07747bea9e43a53de --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:30:44,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:30:44,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:30:44,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:30:44,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:30:44,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:30:44,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:30:44,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:30:44,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:30:44,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:30:44,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:30:44,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:30:44,244 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:30:44,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:30:44,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:30:44,251 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:30:44,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:30:44,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:30:44,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:30:44,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:30:44,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:30:44,256 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:30:44,256 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:30:44,257 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:30:44,257 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:30:44,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:30:44,258 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:30:44,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:30:44,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:30:44,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:30:44,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:44,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:30:44,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:30:44,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:30:44,262 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:30:44,263 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:30:44,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:30:44,263 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:30:44,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:30:44,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:30:44,265 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:30:44,266 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:30:44,266 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_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9892fa4411afdcbbbffaaa3a5f66b66df3561d966071f6e07747bea9e43a53de [2023-11-12 02:30:44,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:30:44,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:30:44,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:30:44,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:30:44,747 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:30:44,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-12 02:30:47,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:30:48,158 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:30:48,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-12 02:30:48,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/data/290c5eddd/daaf3360ba744b519c83576d188682f6/FLAGed430a1b7 [2023-11-12 02:30:48,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/data/290c5eddd/daaf3360ba744b519c83576d188682f6 [2023-11-12 02:30:48,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:30:48,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:30:48,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:48,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:30:48,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:30:48,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:48" (1/1) ... [2023-11-12 02:30:48,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b8d5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48, skipping insertion in model container [2023-11-12 02:30:48,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:48" (1/1) ... [2023-11-12 02:30:48,253 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:30:48,450 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_04279208-9a63-4e93-98e7-f58a386bc994/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i[916,929] [2023-11-12 02:30:48,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:48,554 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:30:48,571 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_04279208-9a63-4e93-98e7-f58a386bc994/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i[916,929] [2023-11-12 02:30:48,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:48,635 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:30:48,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48 WrapperNode [2023-11-12 02:30:48,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:48,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:48,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:30:48,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:30:48,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48" (1/1) ... [2023-11-12 02:30:48,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48" (1/1) ... [2023-11-12 02:30:48,780 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-11-12 02:30:48,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:48,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:30:48,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:30:48,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:30:48,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48" (1/1) ... [2023-11-12 02:30:48,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48" (1/1) ... [2023-11-12 02:30:48,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48" (1/1) ... [2023-11-12 02:30:48,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48" (1/1) ... [2023-11-12 02:30:48,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48" (1/1) ... [2023-11-12 02:30:48,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48" (1/1) ... [2023-11-12 02:30:48,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48" (1/1) ... [2023-11-12 02:30:48,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48" (1/1) ... [2023-11-12 02:30:48,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:30:48,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:30:48,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:30:48,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:30:48,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48" (1/1) ... [2023-11-12 02:30:48,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:48,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:48,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:48,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:30:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:30:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:30:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:30:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:30:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:30:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:30:49,096 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:30:49,099 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:30:53,578 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:30:53,585 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:30:53,586 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:30:53,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:53 BoogieIcfgContainer [2023-11-12 02:30:53,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:30:53,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:30:53,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:30:53,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:30:53,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:30:48" (1/3) ... [2023-11-12 02:30:53,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6950fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:53, skipping insertion in model container [2023-11-12 02:30:53,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:48" (2/3) ... [2023-11-12 02:30:53,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6950fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:53, skipping insertion in model container [2023-11-12 02:30:53,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:53" (3/3) ... [2023-11-12 02:30:53,598 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-12 02:30:53,619 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:30:53,620 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:30:53,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:30:53,678 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;@760da06b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:30:53,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:30:53,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 02:30:53,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-12 02:30:53,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:53,699 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:53,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:53,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:53,706 INFO L85 PathProgramCache]: Analyzing trace with hash 332693887, now seen corresponding path program 1 times [2023-11-12 02:30:53,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:30:53,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011660736] [2023-11-12 02:30:53,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:53,722 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 [2023-11-12 02:30:53,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:30:53,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:30:53,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:30:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:54,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:30:54,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2023-11-12 02:30:54,346 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:54,347 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:30:54,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011660736] [2023-11-12 02:30:54,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1011660736] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:54,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:54,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:30:54,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447833742] [2023-11-12 02:30:54,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:54,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:30:54,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:30:54,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:30:54,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:30:54,411 INFO L87 Difference]: Start difference. First operand has 59 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 02:30:54,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:54,450 INFO L93 Difference]: Finished difference Result 111 states and 195 transitions. [2023-11-12 02:30:54,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:30:54,452 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2023-11-12 02:30:54,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:54,461 INFO L225 Difference]: With dead ends: 111 [2023-11-12 02:30:54,461 INFO L226 Difference]: Without dead ends: 55 [2023-11-12 02:30:54,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:30:54,470 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:54,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:30:54,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-12 02:30:54,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-12 02:30:54,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 02:30:54,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 82 transitions. [2023-11-12 02:30:54,528 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 82 transitions. Word has length 139 [2023-11-12 02:30:54,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:54,529 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 82 transitions. [2023-11-12 02:30:54,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 02:30:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2023-11-12 02:30:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-12 02:30:54,533 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:54,534 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:54,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/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)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:54,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:30:54,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:54,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:54,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1265617473, now seen corresponding path program 1 times [2023-11-12 02:30:54,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:30:54,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124061000] [2023-11-12 02:30:54,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:54,757 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 [2023-11-12 02:30:54,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:30:54,759 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:30:54,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 02:30:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:55,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:55,653 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-12 02:30:55,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1787067476] [2023-11-12 02:30:55,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:55,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 02:30:55,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/cvc4 [2023-11-12 02:30:55,657 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 02:30:55,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04279208-9a63-4e93-98e7-f58a386bc994/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 02:30:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:56,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 02:30:56,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:32,980 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_10~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 10.0)))) (let ((.cse0 (fp.lt .cse4 .cse2)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (bvadd c_~var_1_9~0 c_~var_1_8~0))) (.cse3 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 793.0 8.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)))) (or (and (not .cse0) (= c_~var_1_4~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 .cse2) .cse3)))) (and .cse0 (= c_~var_1_4~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 .cse4) .cse3))))))) (= c_~var_1_15~0 c_~var_1_16~0) (not (bvult (_ bv4294967168 32) c_~var_1_13~0)) (= (bvadd c_~var_1_2~0 (bvneg c_~var_1_3~0)) c_~var_1_1~0) (not (bvult c_~last_1_var_1_15~0 c_~var_1_13~0))) is different from false [2023-11-12 02:31:35,059 WARN L876 $PredicateComparison]: unable to prove that (and (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_10~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 10.0)))) (let ((.cse0 (fp.lt .cse4 .cse2)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (bvadd c_~var_1_9~0 c_~var_1_8~0))) (.cse3 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 793.0 8.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)))) (or (and (not .cse0) (= c_~var_1_4~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 .cse2) .cse3)))) (and .cse0 (= c_~var_1_4~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 .cse4) .cse3))))))) (= c_~var_1_15~0 c_~var_1_16~0) (not (bvult (_ bv4294967168 32) c_~var_1_13~0)) (= (bvadd c_~var_1_2~0 (bvneg c_~var_1_3~0)) c_~var_1_1~0) (not (bvult c_~last_1_var_1_15~0 c_~var_1_13~0))) is different from true