./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 351f6622941f7f74e988d8cdcab9246d04d06f8f3de385fe106bb0a76e19cdae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:17:40,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:17:40,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:17:40,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:17:40,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:17:40,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:17:40,578 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:17:40,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:17:40,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:17:40,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:17:40,580 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:17:40,581 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:17:40,582 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:17:40,582 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:17:40,583 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:17:40,583 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:17:40,584 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:17:40,584 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:17:40,585 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:17:40,585 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:17:40,586 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:17:40,587 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:17:40,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:17:40,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:17:40,588 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:17:40,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:17:40,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:17:40,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:17:40,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:17:40,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:17:40,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:17:40,591 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:17:40,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:17:40,592 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:17:40,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:17:40,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:17:40,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:17:40,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:17:40,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:17:40,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:17:40,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:17:40,594 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:17:40,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:17:40,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:17:40,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:17:40,595 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:17:40,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:17:40,595 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 351f6622941f7f74e988d8cdcab9246d04d06f8f3de385fe106bb0a76e19cdae [2023-12-02 18:17:40,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:17:40,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:17:40,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:17:40,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:17:40,829 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:17:40,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i [2023-12-02 18:17:43,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:17:43,798 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:17:43,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i [2023-12-02 18:17:43,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/data/29d3bffc7/85937d5ad23c42089424a22aff89c724/FLAG5c01262c8 [2023-12-02 18:17:43,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/data/29d3bffc7/85937d5ad23c42089424a22aff89c724 [2023-12-02 18:17:43,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:17:43,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:17:43,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:17:43,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:17:43,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:17:43,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:43" (1/1) ... [2023-12-02 18:17:43,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1e8278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:43, skipping insertion in model container [2023-12-02 18:17:43,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:43" (1/1) ... [2023-12-02 18:17:43,862 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:17:43,984 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_12674898-ec1e-4d84-9bdf-f6415aeb0972/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i[915,928] [2023-12-02 18:17:44,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:17:44,050 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:17:44,063 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_12674898-ec1e-4d84-9bdf-f6415aeb0972/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i[915,928] [2023-12-02 18:17:44,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:17:44,109 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:17:44,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44 WrapperNode [2023-12-02 18:17:44,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:17:44,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:17:44,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:17:44,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:17:44,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2023-12-02 18:17:44,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2023-12-02 18:17:44,175 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-12-02 18:17:44,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:17:44,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:17:44,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:17:44,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:17:44,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2023-12-02 18:17:44,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2023-12-02 18:17:44,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2023-12-02 18:17:44,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2023-12-02 18:17:44,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2023-12-02 18:17:44,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2023-12-02 18:17:44,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2023-12-02 18:17:44,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2023-12-02 18:17:44,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:17:44,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:17:44,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:17:44,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:17:44,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2023-12-02 18:17:44,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:17:44,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:17:44,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:17:44,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:17:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:17:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:17:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:17:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:17:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:17:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:17:44,396 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:17:44,399 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:17:44,753 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:17:44,986 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:17:44,987 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:17:44,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:44 BoogieIcfgContainer [2023-12-02 18:17:44,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:17:44,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:17:44,990 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:17:44,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:17:44,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:17:43" (1/3) ... [2023-12-02 18:17:44,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3073aa7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:44, skipping insertion in model container [2023-12-02 18:17:44,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (2/3) ... [2023-12-02 18:17:44,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3073aa7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:44, skipping insertion in model container [2023-12-02 18:17:44,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:44" (3/3) ... [2023-12-02 18:17:44,995 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-83.i [2023-12-02 18:17:45,009 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:17:45,009 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:17:45,049 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:17:45,055 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=FINITE_AUTOMATA, 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;@65b4ca73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:17:45,055 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:17:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 18:17:45,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 18:17:45,068 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:17:45,068 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:17:45,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:17:45,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:17:45,073 INFO L85 PathProgramCache]: Analyzing trace with hash -2092168137, now seen corresponding path program 1 times [2023-12-02 18:17:45,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:17:45,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367592768] [2023-12-02 18:17:45,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:45,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:17:45,202 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:17:45,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [532110709] [2023-12-02 18:17:45,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:45,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:17:45,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:17:45,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:17:45,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:17:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:17:46,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:17:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:17:46,212 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:17:46,215 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:17:46,216 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:17:46,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:17:46,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 18:17:46,422 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:17:46,424 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:17:46,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:17:46 BoogieIcfgContainer [2023-12-02 18:17:46,492 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:17:46,492 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:17:46,492 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:17:46,493 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:17:46,493 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:44" (3/4) ... [2023-12-02 18:17:46,495 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:17:46,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:17:46,497 INFO L158 Benchmark]: Toolchain (without parser) took 2671.31ms. Allocated memory is still 136.3MB. Free memory was 87.7MB in the beginning and 98.3MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:17:46,498 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:17:46,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.94ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 73.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 18:17:46,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.86ms. Allocated memory is still 136.3MB. Free memory was 73.9MB in the beginning and 68.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 18:17:46,500 INFO L158 Benchmark]: Boogie Preprocessor took 53.08ms. Allocated memory is still 136.3MB. Free memory was 68.3MB in the beginning and 66.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:17:46,500 INFO L158 Benchmark]: RCFGBuilder took 757.95ms. Allocated memory is still 136.3MB. Free memory was 66.0MB in the beginning and 85.2MB in the end (delta: -19.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-12-02 18:17:46,501 INFO L158 Benchmark]: TraceAbstraction took 1501.65ms. Allocated memory is still 136.3MB. Free memory was 84.5MB in the beginning and 98.7MB in the end (delta: -14.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 18:17:46,501 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 136.3MB. Free memory was 98.7MB in the beginning and 98.3MB in the end (delta: 442.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:17:46,505 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.94ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 73.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.86ms. Allocated memory is still 136.3MB. Free memory was 73.9MB in the beginning and 68.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.08ms. Allocated memory is still 136.3MB. Free memory was 68.3MB in the beginning and 66.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 757.95ms. Allocated memory is still 136.3MB. Free memory was 66.0MB in the beginning and 85.2MB in the end (delta: -19.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1501.65ms. Allocated memory is still 136.3MB. Free memory was 84.5MB in the beginning and 98.7MB in the end (delta: -14.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 136.3MB. Free memory was 98.7MB in the beginning and 98.3MB in the end (delta: 442.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -25; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 1230640054; [L25] signed long int var_1_6 = 1508873667; [L26] unsigned char var_1_7 = 64; [L27] unsigned char var_1_8 = 200; [L28] unsigned char var_1_9 = 16; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_11 = 8; [L31] float var_1_12 = 15.4; [L32] float var_1_16 = 10000000000000.375; [L33] float var_1_17 = 16.4; [L34] float var_1_18 = 8.5; [L35] float var_1_19 = 64.75; [L36] unsigned char var_1_20 = 16; [L37] signed char var_1_22 = 0; [L38] unsigned char var_1_23 = 16; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] FCALL updateLastVariables() [L114] CALL updateVariables() [L73] var_1_2 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L75] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L76] var_1_3 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_3 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_3 >= 1073741822) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L78] CALL assume_abort_if_not(var_1_3 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_3 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L79] var_1_6 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_6 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 >= 1073741822) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=200, var_1_9=16] [L81] CALL assume_abort_if_not(var_1_6 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_6 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=200, var_1_9=16] [L82] var_1_8 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_8 >= 190) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=16] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_8 >= 190) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=16] [L84] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=16] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=16] [L85] var_1_9 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190] [L87] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L88] var_1_10 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_10 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_10 <= 32) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L91] var_1_11 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_11 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_11 <= 31) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L94] var_1_17 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L96] var_1_18 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L98] var_1_20 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_20 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=4, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_20 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=4, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=4, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=4, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L101] CALL assume_abort_if_not(var_1_20 != 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=4, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_20 != 127) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=4, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=64, var_1_8=190, var_1_9=0] [L114] RET updateVariables() [L115] CALL step() [L42] var_1_7 = ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11))) [L43] var_1_16 = (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) [L44] COND FALSE !((3886175339u - var_1_20) <= (var_1_9 / var_1_3)) [L51] var_1_23 = var_1_20 [L53] COND TRUE \read(var_1_2) [L54] var_1_1 = ((var_1_3 - var_1_7) - var_1_7) [L58] signed long int stepLocal_1 = var_1_9 % (var_1_8 - var_1_20); [L59] EXPR var_1_7 ^ var_1_10 [L59] signed long int stepLocal_0 = var_1_7 ^ var_1_10; [L60] COND FALSE !(stepLocal_1 > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) [L65] COND TRUE (var_1_11 % var_1_20) < var_1_1 [L66] var_1_22 = ((((10) > (var_1_10)) ? (10) : (var_1_10))) [L68] COND TRUE ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f)) [L69] var_1_12 = 31.5f [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR ((((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_7) - var_1_7))) : (var_1_1 == ((signed long int) (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7)))) && (var_1_7 == ((unsigned char) ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11)))))) && ((((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f))) ? (var_1_12 == ((float) 31.5f)) : 1)) && (var_1_16 == ((float) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))))) && (((var_1_9 % (var_1_8 - var_1_20)) > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) ? (((var_1_3 ^ var_1_23) <= (var_1_7 ^ var_1_10)) ? (var_1_19 == ((float) var_1_17)) : 1) : 1) [L106-L107] return ((((((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_7) - var_1_7))) : (var_1_1 == ((signed long int) (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7)))) && (var_1_7 == ((unsigned char) ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11)))))) && ((((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f))) ? (var_1_12 == ((float) 31.5f)) : 1)) && (var_1_16 == ((float) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))))) && (((var_1_9 % (var_1_8 - var_1_20)) > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) ? (((var_1_3 ^ var_1_23) <= (var_1_7 ^ var_1_10)) ? (var_1_19 == ((float) var_1_17)) : 1) : 1)) && (((var_1_11 % var_1_20) < var_1_1) ? (var_1_22 == ((signed char) ((((10) > (var_1_10)) ? (10) : (var_1_10))))) : 1)) && (((3886175339u - var_1_20) <= (var_1_9 / var_1_3)) ? ((var_1_10 > var_1_7) ? (var_1_23 == ((unsigned char) ((((var_1_20) < ((var_1_8 - var_1_9))) ? (var_1_20) : ((var_1_8 - var_1_9)))))) : (var_1_23 == ((unsigned char) (((((var_1_20) > (64)) ? (var_1_20) : (64))) + var_1_11)))) : (var_1_23 == ((unsigned char) var_1_20))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=63/2, var_1_17=0, var_1_19=259/4, var_1_1=2147483458, var_1_20=4, var_1_22=10, var_1_23=4, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=94, var_1_8=190, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=63/2, var_1_17=0, var_1_19=259/4, var_1_1=2147483458, var_1_20=4, var_1_22=10, var_1_23=4, var_1_2=1, var_1_3=2147483646, var_1_6=2147483646, var_1_7=94, var_1_8=190, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 18:17:46,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 351f6622941f7f74e988d8cdcab9246d04d06f8f3de385fe106bb0a76e19cdae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:17:48,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:17:48,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:17:48,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:17:48,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:17:48,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:17:48,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:17:48,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:17:48,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:17:48,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:17:48,509 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:17:48,509 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:17:48,510 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:17:48,510 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:17:48,511 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:17:48,511 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:17:48,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:17:48,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:17:48,513 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:17:48,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:17:48,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:17:48,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:17:48,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:17:48,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:17:48,516 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:17:48,517 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:17:48,517 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:17:48,518 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:17:48,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:17:48,519 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:17:48,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:17:48,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:17:48,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:17:48,520 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:17:48,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:17:48,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:17:48,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:17:48,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:17:48,521 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:17:48,521 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:17:48,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:17:48,522 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:17:48,522 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:17:48,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:17:48,523 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 351f6622941f7f74e988d8cdcab9246d04d06f8f3de385fe106bb0a76e19cdae [2023-12-02 18:17:48,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:17:48,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:17:48,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:17:48,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:17:48,828 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:17:48,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i [2023-12-02 18:17:51,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:17:51,869 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:17:51,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i [2023-12-02 18:17:51,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/data/da005e2b8/5ee1a834832a40a19db1d1d12cbe9246/FLAG759090d6d [2023-12-02 18:17:51,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/data/da005e2b8/5ee1a834832a40a19db1d1d12cbe9246 [2023-12-02 18:17:51,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:17:51,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:17:51,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:17:51,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:17:51,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:17:51,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:51" (1/1) ... [2023-12-02 18:17:51,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69cf8261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51, skipping insertion in model container [2023-12-02 18:17:51,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:51" (1/1) ... [2023-12-02 18:17:51,938 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:17:52,086 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_12674898-ec1e-4d84-9bdf-f6415aeb0972/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i[915,928] [2023-12-02 18:17:52,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:17:52,151 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:17:52,164 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_12674898-ec1e-4d84-9bdf-f6415aeb0972/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i[915,928] [2023-12-02 18:17:52,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:17:52,212 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:17:52,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:52 WrapperNode [2023-12-02 18:17:52,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:17:52,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:17:52,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:17:52,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:17:52,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:52" (1/1) ... [2023-12-02 18:17:52,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:52" (1/1) ... [2023-12-02 18:17:52,261 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2023-12-02 18:17:52,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:17:52,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:17:52,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:17:52,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:17:52,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:52" (1/1) ... [2023-12-02 18:17:52,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:52" (1/1) ... [2023-12-02 18:17:52,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:52" (1/1) ... [2023-12-02 18:17:52,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:52" (1/1) ... [2023-12-02 18:17:52,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:52" (1/1) ... [2023-12-02 18:17:52,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:52" (1/1) ... [2023-12-02 18:17:52,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:52" (1/1) ... [2023-12-02 18:17:52,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:52" (1/1) ... [2023-12-02 18:17:52,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:17:52,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:17:52,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:17:52,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:17:52,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:52" (1/1) ... [2023-12-02 18:17:52,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:17:52,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:17:52,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:17:52,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:17:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:17:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:17:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:17:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:17:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:17:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:17:52,442 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:17:52,444 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:17:54,656 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:17:54,699 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:17:54,699 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:17:54,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:54 BoogieIcfgContainer [2023-12-02 18:17:54,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:17:54,702 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:17:54,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:17:54,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:17:54,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:17:51" (1/3) ... [2023-12-02 18:17:54,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75576a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:54, skipping insertion in model container [2023-12-02 18:17:54,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:52" (2/3) ... [2023-12-02 18:17:54,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75576a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:54, skipping insertion in model container [2023-12-02 18:17:54,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:54" (3/3) ... [2023-12-02 18:17:54,708 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-83.i [2023-12-02 18:17:54,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:17:54,722 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:17:54,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:17:54,768 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=FINITE_AUTOMATA, 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;@749b1d41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:17:54,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:17:54,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 18:17:54,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-02 18:17:54,786 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:17:54,787 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:17:54,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:17:54,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:17:54,793 INFO L85 PathProgramCache]: Analyzing trace with hash -836101274, now seen corresponding path program 1 times [2023-12-02 18:17:54,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:17:54,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302834538] [2023-12-02 18:17:54,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:54,807 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 [2023-12-02 18:17:54,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:17:54,808 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 18:17:54,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 18:17:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:17:55,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 18:17:55,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:17:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-12-02 18:17:55,316 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:17:55,317 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:17:55,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302834538] [2023-12-02 18:17:55,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [302834538] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:17:55,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:17:55,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:17:55,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287917150] [2023-12-02 18:17:55,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:17:55,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:17:55,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:17:55,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:17:55,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:17:55,354 INFO L87 Difference]: Start difference. First operand has 50 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 18:17:56,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:56,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:17:56,471 INFO L93 Difference]: Finished difference Result 97 states and 173 transitions. [2023-12-02 18:17:56,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:17:56,507 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 116 [2023-12-02 18:17:56,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:17:56,513 INFO L225 Difference]: With dead ends: 97 [2023-12-02 18:17:56,513 INFO L226 Difference]: Without dead ends: 48 [2023-12-02 18:17:56,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:17:56,518 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:17:56,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 18:17:56,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-12-02 18:17:56,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-12-02 18:17:56,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 18:17:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 73 transitions. [2023-12-02 18:17:56,560 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 73 transitions. Word has length 116 [2023-12-02 18:17:56,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:17:56,560 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 73 transitions. [2023-12-02 18:17:56,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 18:17:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-12-02 18:17:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-02 18:17:56,564 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:17:56,564 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:17:56,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 18:17:56,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 18:17:56,765 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:17:56,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:17:56,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1854058732, now seen corresponding path program 1 times [2023-12-02 18:17:56,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:17:56,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027562611] [2023-12-02 18:17:56,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:56,767 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 [2023-12-02 18:17:56,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:17:56,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 18:17:56,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12674898-ec1e-4d84-9bdf-f6415aeb0972/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 18:17:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:17:57,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 18:17:57,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:18:18,035 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 498 proven. 117 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-02 18:18:18,035 INFO L327 TraceCheckSpWp]: Computing backward predicates...