./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/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_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme --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 0.2.4-dev-0e0057c [2023-11-26 11:48:32,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:48:32,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:48:32,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:48:32,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:48:32,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:48:32,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:48:32,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:48:32,703 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:48:32,703 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:48:32,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:48:32,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:48:32,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:48:32,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:48:32,707 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:48:32,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:48:32,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:48:32,711 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:48:32,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:48:32,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:48:32,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:48:32,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:48:32,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:48:32,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:48:32,720 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:48:32,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:48:32,721 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:48:32,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:48:32,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:48:32,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:48:32,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:48:32,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:48:32,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:48:32,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:48:32,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:48:32,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:48:32,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:48:32,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:48:32,726 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:48:32,727 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:48:32,727 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:48:32,727 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:48:32,728 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_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9892fa4411afdcbbbffaaa3a5f66b66df3561d966071f6e07747bea9e43a53de [2023-11-26 11:48:33,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:48:33,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:48:33,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:48:33,087 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:48:33,088 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:48:33,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-26 11:48:36,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:48:36,457 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:48:36,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-26 11:48:36,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/data/821882e15/85981646853a48d5968172f0e31faccf/FLAG76528b791 [2023-11-26 11:48:36,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/data/821882e15/85981646853a48d5968172f0e31faccf [2023-11-26 11:48:36,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:48:36,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:48:36,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:48:36,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:48:36,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:48:36,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e7baa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36, skipping insertion in model container [2023-11-26 11:48:36,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:48:36,697 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_6abfe607-73fc-4661-9034-0a3bb7cae728/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i[916,929] [2023-11-26 11:48:36,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:48:36,760 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:48:36,772 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_6abfe607-73fc-4661-9034-0a3bb7cae728/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i[916,929] [2023-11-26 11:48:36,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:48:36,832 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:48:36,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36 WrapperNode [2023-11-26 11:48:36,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:48:36,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:48:36,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:48:36,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:48:36,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,886 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2023-11-26 11:48:36,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:48:36,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:48:36,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:48:36,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:48:36,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,907 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,926 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:48:36,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:48:36,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:48:36,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:48:36,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:48:36,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:48:36,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:37,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:37,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:48:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:48:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:48:37,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:48:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:48:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:48:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:48:37,129 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:48:37,132 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:48:37,499 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:48:37,584 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:48:37,584 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:48:37,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:37 BoogieIcfgContainer [2023-11-26 11:48:37,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:48:37,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:48:37,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:48:37,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:48:37,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:48:36" (1/3) ... [2023-11-26 11:48:37,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2812e58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:48:37, skipping insertion in model container [2023-11-26 11:48:37,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (2/3) ... [2023-11-26 11:48:37,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2812e58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:48:37, skipping insertion in model container [2023-11-26 11:48:37,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:37" (3/3) ... [2023-11-26 11:48:37,596 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-26 11:48:37,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:48:37,621 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:48:37,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:48:37,694 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;@1a840c6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:48:37,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:48:37,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 32 states have (on average 1.40625) internal successors, (45), 33 states have internal predecessors, (45), 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) [2023-11-26 11:48:37,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-26 11:48:37,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:48:37,724 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] [2023-11-26 11:48:37,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:48:37,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:37,739 INFO L85 PathProgramCache]: Analyzing trace with hash -977005699, now seen corresponding path program 1 times [2023-11-26 11:48:37,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:37,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712912553] [2023-11-26 11:48:37,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:37,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:38,010 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:48:38,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1124278018] [2023-11-26 11:48:38,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:38,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:48:38,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:48:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:38,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:48:38,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-26 11:48:38,402 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:48:38,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:48:38,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712912553] [2023-11-26 11:48:38,403 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:48:38,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124278018] [2023-11-26 11:48:38,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124278018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:48:38,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:48:38,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:48:38,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695971815] [2023-11-26 11:48:38,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:48:38,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:48:38,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:48:38,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:48:38,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:48:38,451 INFO L87 Difference]: Start difference. First operand has 58 states, 32 states have (on average 1.40625) internal successors, (45), 33 states have internal predecessors, (45), 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 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2023-11-26 11:48:38,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:48:38,533 INFO L93 Difference]: Finished difference Result 114 states and 206 transitions. [2023-11-26 11:48:38,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:48:38,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 138 [2023-11-26 11:48:38,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:48:38,546 INFO L225 Difference]: With dead ends: 114 [2023-11-26 11:48:38,547 INFO L226 Difference]: Without dead ends: 57 [2023-11-26 11:48:38,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:48:38,555 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 21 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:48:38,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 207 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:48:38,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-26 11:48:38,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2023-11-26 11:48:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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) [2023-11-26 11:48:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 85 transitions. [2023-11-26 11:48:38,624 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 85 transitions. Word has length 138 [2023-11-26 11:48:38,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:48:38,627 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 85 transitions. [2023-11-26 11:48:38,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2023-11-26 11:48:38,628 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2023-11-26 11:48:38,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-26 11:48:38,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:48:38,632 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] [2023-11-26 11:48:38,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 11:48:38,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 11:48:38,838 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:48:38,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:38,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1359003940, now seen corresponding path program 1 times [2023-11-26 11:48:38,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:38,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007115620] [2023-11-26 11:48:38,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:38,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:38,938 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:48:38,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1240350491] [2023-11-26 11:48:38,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:38,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:48:38,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:48:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:39,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:48:39,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:39,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-26 11:48:39,153 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:48:39,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:48:39,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007115620] [2023-11-26 11:48:39,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:48:39,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240350491] [2023-11-26 11:48:39,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240350491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:48:39,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:48:39,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:48:39,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602853636] [2023-11-26 11:48:39,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:48:39,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:48:39,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:48:39,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:48:39,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:48:39,158 INFO L87 Difference]: Start difference. First operand 56 states and 85 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-26 11:48:39,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:48:39,216 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2023-11-26 11:48:39,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:48:39,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 140 [2023-11-26 11:48:39,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:48:39,220 INFO L225 Difference]: With dead ends: 135 [2023-11-26 11:48:39,220 INFO L226 Difference]: Without dead ends: 80 [2023-11-26 11:48:39,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:48:39,223 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 24 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:48:39,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 162 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:48:39,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-26 11:48:39,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2023-11-26 11:48:39,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 48 states have internal predecessors, (59), 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) [2023-11-26 11:48:39,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2023-11-26 11:48:39,243 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 140 [2023-11-26 11:48:39,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:48:39,244 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2023-11-26 11:48:39,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-26 11:48:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2023-11-26 11:48:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-26 11:48:39,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:48:39,248 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] [2023-11-26 11:48:39,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:39,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:48:39,454 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:48:39,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:39,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1357156898, now seen corresponding path program 1 times [2023-11-26 11:48:39,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:39,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023218083] [2023-11-26 11:48:39,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:39,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:39,505 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:48:39,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [214753996] [2023-11-26 11:48:39,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:39,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:48:39,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:39,507 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:48:39,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 11:48:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:39,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:39,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:39,947 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:48:39,949 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:48:39,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-26 11:48:40,162 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 11:48:40,166 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:48:40,255 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 11:48:40,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-26 11:48:40,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-26 11:48:40,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-26 11:48:40,258 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-26 11:48:40,258 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-26 11:48:40,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:48:40 BoogieIcfgContainer [2023-11-26 11:48:40,282 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:48:40,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:48:40,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:48:40,283 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:48:40,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:37" (3/4) ... [2023-11-26 11:48:40,286 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:48:40,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:48:40,288 INFO L158 Benchmark]: Toolchain (without parser) took 3799.23ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 83.1MB in the end (delta: 53.4MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2023-11-26 11:48:40,288 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:48:40,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.29ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 123.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:48:40,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.58ms. Allocated memory is still 176.2MB. Free memory was 123.9MB in the beginning and 121.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:48:40,290 INFO L158 Benchmark]: Boogie Preprocessor took 57.96ms. Allocated memory is still 176.2MB. Free memory was 121.8MB in the beginning and 119.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:48:40,291 INFO L158 Benchmark]: RCFGBuilder took 638.81ms. Allocated memory is still 176.2MB. Free memory was 119.7MB in the beginning and 100.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 11:48:40,291 INFO L158 Benchmark]: TraceAbstraction took 2693.66ms. Allocated memory is still 176.2MB. Free memory was 100.1MB in the beginning and 83.1MB in the end (delta: 17.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-11-26 11:48:40,292 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 176.2MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:48:40,295 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.29ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 123.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.58ms. Allocated memory is still 176.2MB. Free memory was 123.9MB in the beginning and 121.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.96ms. Allocated memory is still 176.2MB. Free memory was 121.8MB in the beginning and 119.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 638.81ms. Allocated memory is still 176.2MB. Free memory was 119.7MB in the beginning and 100.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2693.66ms. Allocated memory is still 176.2MB. Free memory was 100.1MB in the beginning and 83.1MB in the end (delta: 17.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 176.2MB. Free memory is still 83.1MB. 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~short17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 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; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] last_1_var_1_15 = var_1_15 [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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, 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=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=500, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=500, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=500, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=500, var_1_16=2147482602, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=500, var_1_16=2147482602, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=500, var_1_16=2147482602, var_1_1=4, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=500, var_1_16=2147482602, var_1_1=0, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=2147482602, var_1_16=2147482602, var_1_1=0, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=2147482602, var_1_16=2147482602, var_1_1=0, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=2147482602, var_1_10=2147483647, var_1_11=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=2147482602, var_1_16=2147482602, var_1_1=0, var_1_2=2147483647, var_1_3=2147483647, var_1_6=0, var_1_7=1, var_1_8=2147483647, var_1_9=2147483647] [L55] COND FALSE !(var_1_2 < var_1_8) VAL [isInitial=1, last_1_var_1_15=500, stepLocal_0=2147482602, var_1_10=2147483647, var_1_11=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=2147482602, var_1_16=2147482602, var_1_1=0, var_1_2=2147483647, var_1_3=2147483647, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=2147482602, var_1_16=2147482602, var_1_1=0, var_1_2=2147483647, var_1_3=2147483647, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=2147482602, var_1_16=2147482602, var_1_1=0, var_1_2=2147483647, var_1_3=2147483647, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=2147482602, var_1_16=2147482602, var_1_1=0, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=2147482602, var_1_16=2147482602, var_1_1=0, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, 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=-2147483648, var_1_12=128, var_1_13=500, var_1_14=4294967294, var_1_15=2147482602, var_1_16=2147482602, var_1_1=0, var_1_2=2147483647, var_1_3=2147483647, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=2147483647, var_1_9=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 369 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 199 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 170 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred 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, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 418 NumberOfCodeBlocks, 418 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 SizeOfPredicates, 3 NumberOfNonLiveVariables, 624 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 [2023-11-26 11:48:40,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/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_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme --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 0.2.4-dev-0e0057c [2023-11-26 11:48:43,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:48:43,291 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:48:43,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:48:43,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:48:43,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:48:43,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:48:43,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:48:43,354 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:48:43,359 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:48:43,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:48:43,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:48:43,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:48:43,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:48:43,364 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:48:43,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:48:43,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:48:43,365 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:48:43,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:48:43,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:48:43,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:48:43,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:48:43,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:48:43,369 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:48:43,369 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:48:43,370 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:48:43,370 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:48:43,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:48:43,371 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:48:43,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:48:43,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:48:43,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:48:43,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:48:43,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:48:43,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:48:43,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:48:43,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:48:43,375 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:48:43,376 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:48:43,376 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:48:43,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:48:43,377 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:48:43,377 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:48:43,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:48:43,378 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:48:43,378 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_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9892fa4411afdcbbbffaaa3a5f66b66df3561d966071f6e07747bea9e43a53de [2023-11-26 11:48:43,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:48:43,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:48:43,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:48:43,785 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:48:43,785 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:48:43,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-26 11:48:47,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:48:47,404 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:48:47,409 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-26 11:48:47,421 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/data/0faa3c233/8b7f1995f7394a6f8011fe054c378a66/FLAG0c4fd4bb8 [2023-11-26 11:48:47,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/data/0faa3c233/8b7f1995f7394a6f8011fe054c378a66 [2023-11-26 11:48:47,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:48:47,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:48:47,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:48:47,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:48:47,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:48:47,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:47,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b66ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47, skipping insertion in model container [2023-11-26 11:48:47,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:47,505 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:48:47,668 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_6abfe607-73fc-4661-9034-0a3bb7cae728/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i[916,929] [2023-11-26 11:48:47,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:48:47,741 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:48:47,757 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_6abfe607-73fc-4661-9034-0a3bb7cae728/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i[916,929] [2023-11-26 11:48:47,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:48:47,823 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:48:47,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47 WrapperNode [2023-11-26 11:48:47,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:48:47,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:48:47,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:48:47,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:48:47,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:47,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:47,925 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-11-26 11:48:47,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:48:47,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:48:47,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:48:47,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:48:47,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:47,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:47,972 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:47,992 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:48:48,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:48,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:48,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:48,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:48,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:48,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:48,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:48:48,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:48:48,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:48:48,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:48:48,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47" (1/1) ... [2023-11-26 11:48:48,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:48:48,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:48,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:48,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:48:48,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:48:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:48:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:48:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:48:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:48:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:48:48,291 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:48:48,294 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:48:56,852 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:48:56,935 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:48:56,935 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:48:56,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:56 BoogieIcfgContainer [2023-11-26 11:48:56,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:48:56,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:48:56,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:48:56,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:48:56,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:48:47" (1/3) ... [2023-11-26 11:48:56,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c31f009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:48:56, skipping insertion in model container [2023-11-26 11:48:56,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:47" (2/3) ... [2023-11-26 11:48:56,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c31f009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:48:56, skipping insertion in model container [2023-11-26 11:48:56,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:56" (3/3) ... [2023-11-26 11:48:56,946 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-26 11:48:57,004 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:48:57,005 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:48:57,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:48:57,067 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;@3fe0557a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:48:57,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:48:57,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 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) [2023-11-26 11:48:57,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-26 11:48:57,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:48:57,086 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] [2023-11-26 11:48:57,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:48:57,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:57,092 INFO L85 PathProgramCache]: Analyzing trace with hash -757946518, now seen corresponding path program 1 times [2023-11-26 11:48:57,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:48:57,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124338033] [2023-11-26 11:48:57,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:57,107 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 [2023-11-26 11:48:57,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:48:57,117 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:48:57,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:48:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:57,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:48:57,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:57,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2023-11-26 11:48:57,762 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:48:57,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:48:57,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2124338033] [2023-11-26 11:48:57,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2124338033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:48:57,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:48:57,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:48:57,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509466680] [2023-11-26 11:48:57,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:48:57,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:48:57,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:48:57,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:48:57,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:48:57,826 INFO L87 Difference]: Start difference. First operand has 53 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 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 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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) [2023-11-26 11:49:02,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:49:02,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:02,120 INFO L93 Difference]: Finished difference Result 103 states and 187 transitions. [2023-11-26 11:49:02,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:49:02,185 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 135 [2023-11-26 11:49:02,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:02,194 INFO L225 Difference]: With dead ends: 103 [2023-11-26 11:49:02,194 INFO L226 Difference]: Without dead ends: 51 [2023-11-26 11:49:02,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:49:02,203 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:02,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-11-26 11:49:02,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-26 11:49:02,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-26 11:49:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 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) [2023-11-26 11:49:02,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 78 transitions. [2023-11-26 11:49:02,286 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 78 transitions. Word has length 135 [2023-11-26 11:49:02,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:02,287 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 78 transitions. [2023-11-26 11:49:02,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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) [2023-11-26 11:49:02,289 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2023-11-26 11:49:02,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-26 11:49:02,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:02,301 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] [2023-11-26 11:49:02,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:49:02,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:49:02,518 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:02,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:02,519 INFO L85 PathProgramCache]: Analyzing trace with hash 103431784, now seen corresponding path program 1 times [2023-11-26 11:49:02,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:49:02,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13081777] [2023-11-26 11:49:02,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:02,522 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 [2023-11-26 11:49:02,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:49:02,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:49:02,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:49:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:03,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:03,860 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-26 11:49:03,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [841128309] [2023-11-26 11:49:03,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:03,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-26 11:49:03,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/cvc4 [2023-11-26 11:49:03,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-26 11:49:03,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abfe607-73fc-4661-9034-0a3bb7cae728/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-26 11:49:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:04,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 11:49:04,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:49:13,271 WARN L293 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-26 11:49:21,607 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-26 11:49:29,743 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-26 11:49:38,095 WARN L293 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)